Publikationen der AG Heitjans

B. Gadermaier, L. Resch, D. M. Pickup, I. Hanghofer, I. Hanzu, P. Heitjans, W. Sprengel, R. Würschum, A. V. Chadwick, H. M. R. Wilkening (2020): Influence of Defects on Ionic Transport in LiTaO3 – A Study Using EXAFS and Positron Annihilation Lifetime Spectroscopy,  Solid State Ionics 352, 115355 (2020)
DOI: 10.1016/j.ssi.2020.115355

C. Hiebl, P. Loch, M. Brinek, M. Gombotz, B. Gadermaier, P. Heitjans, J. Breu, H. M. R. Wilkening (2020): Rapid Low-Dimensional Li+ Ion Hopping Processes in Synthetic Hectorite-Type Li0.5[Mg2.5Li0.5]Si4O10F2,  Chem. Mater. 32, 7445–7457 (2020)
DOI: 10.1021/acs.chemmater.0c02460

K. Hoppe, W. Fahrner, A. Petrov, D. Fink, V. Hnatowicz, J. Vacik, D. Bork, P. Heitjans (2020): LiNbO3 Nanocrystals for Tunable Ion Track Electronics and Gas Sensorics,  Sens. Actuators A 302, 111768 (2020)
DOI: 10.1016/j.sna.2019.111768

B. Gadermaier, B. Stanje, A. Wilkening, I. Hanzu, P. Heitjans, H. M. Wilkening (2019): Glass in Two Forms: Heterogeneous Electrical Relaxation in Nanoglassy Petalite,  J. Phys. Chem. C., 123, 10153-10162 (2019)
DOI: 10.1021/acs.jpcc.9b01423

D. Nýblová, M. Senna, A. Düvel, P. Heitjans, P. Billik, J. Filo, V. Šepelák (2019): NMR Study on Reaction Processes from Aluminum Chloride Hydroxides to Alpha Alumina Powders,  J. Am. Ceram. Soc. 102, 2871–2881 (2019)
DOI: 10.1111/jace.16108

E. Hüger, J. Stahn, P. Heitjans, H. Schmidt (2019): Neutron Reflectometry to Measure in-situ the Rate Determining Step of Lithium Ion Transport through Thin Silicon Layers and Interfaces,  Phys. Chem. Chem. Phys. 21, 16444-16450 (2019), (Cover Article)
DOI: 10.1039/C9CP01222B

L. I. Granone, R. Dillert, P. Heitjans, D. W. Bahnemann (2019): Effect of the Degree of Inversion on the Electrical Conductivity of Spinel ZnFe₂O₄,  Chemistry Select 4, 1232–1239 (2019)
DOI: 10.1002/slct.201804062

M. C. Paulus, A. Paulus, P. P. M. Schleker, P. Jakes, R.-A. Eichel, P. Heitjans, J. Granwehr (2019): Experimental Evidence for the Relaxation Coupling of all Longitudinal ⁷Li Magnetization Orders in the Superionic Conductor Li₁₀GeP₂S₁₂,  J. Magn. Reson. 303, 57-66 (2019)
DOI: 10.1016/j.jmr.2019.04.006

Q. Wang, A. Sarkar, D. Wang, L. Velasco, R. Azmi, S. S. Bhattacharya, T. Bergfeldt, A. Düvel, P. Heitjans, T. Brezesinski, H. Hahn, B. Breitung (2019): Multi-Anionic and -Cationic Compounds: New High Entropy Materials for Advanced Li-Ion Batteries,  Energy Environ. Sci., 12, 2433–2442 (2019) (Highlighted as ‘Lithium Batteries – Entropy Stabilization’ in Nature Energy 4 (2019) 434)
DOI: 10.1039/C9EE00368A

A. Düvel, L. M. Morgan, C. V. Chandran, P. Heitjans, D. C. Sayle (2018): Formation and Elimination of Anti-site Defects during Crystallization in Perovskite Ba1−xSrxLiF3,  Crystal Growth and Design 18, 2093–2099 (2018)
DOI: 10.1021/acs.cgd.7b01552

A. Düvel, L. M. Morgan, G. Cibin, D. M. Pickup, A. V. Chadwick, P. Heitjans, D. C. Sayle (2018): Tuning Anti-Site Defect Density in Perovskite-BaLiF3 via Cycling between Ball-Milling and Heating,  J. Phys. Chem. Lett. 9, 5121–5124 (2018)
DOI: 10.1021/acs.jpclett.8b01915

A. Düvel, P. Heitjans, P. P. Fedorov, V. V. Voronov, А. А. Pynenkov, K. N. Nishchev (2018): Thermal Stability of Ba1-xCaxF2 Solid Solutions,  Solid State Sciences 83, 188–191 (2018)
DOI: 10.1016/j.solidstatesciences.2018.05.011

B. Stanje, P. Bottke, S. Breuer, I. Hanzu, P. Heitjans, M. Wilkening (2018): Ion Dynamics in a New Class of Materials: Nanoglassy Lithium Aluminosilicates,  Mater. Res. Express 5, 035202 (2018)
DOI: 10.1088/2053-1591/aab520

E. Tóthová, R. Witte, M. Hegedüš, M. Senna, H. Hahn, P. Heitjans, V. Šepelák (2018): Mechanochemical Syntheses of LiFeGe2O6–based Nanocomposite and Novel Nanoglassy LiFeTi2O6,  J. Mater. Sci. 53, 13530–13537 (2018)
DOI: 10.1007/s10853-018-2405-2

J. Djamil, A.-L. Hansen, C. Backes, W. Bensch, U. Schürmann, L. Kienle, A. Düvel, P. Heitjans, (2018): Using light, X-rays and electrons for evaluation of the nanostructure of layered materials,  Nanoscale 10, 21142-21150 (2018)
DOI: 10.1039/C8NR07287F

M. Heise, G. Scholz, A. Düvel, P. Heitjans, E. Kemnitz (2018): Mechanochemical Synthesis, Structure and Properties of Lead Containing Alkaline Earth Metal Fluoride Solid Solutions MxPb1-xF2 (M = Ca, Sr, Ba),  Solid State Sciences 77, 45–53 (2018)
DOI: 10.1016/j.solidstatesciences.2018.01.007

P.P. Fedorov, S.N. Ushakov, М.А. Uslamina, E.V. Chernova, S.V. Kuznetsov, V.V. Voronov, A. Düvel, P. Heitjans, А.А. Pynenkov, К.N. Nishchev, V.V. Osiko (2018): Morphological Stability of Solid-Liquid Interface during Melt Crystallization of Ca1-xSrxF2 Solid Solution,  Crystallography Reports 63, 837–843 (2018)
DOI: 10.1134/S1063774518050103

S. Schwarzmüller, M. Jakob, M. Nentwig, T. Schröder, A. Kuhn, A. Düvel, P. Heitjans, O. Oeckler, (2018): Tuning the Vacancy Concentration in Lithium Germanium Antimony Tellurides—Influence on Phase Transitions, Lithium Mobility, and Thermoelectric Properties,  Chem. Mater. 30, 7970–7978 (2018)
DOI: 10.1021/acs.chemmater.8b03609

A. Düvel, P. Heitjans, P. Fedorov, G. Scholz, G. Cibin, A. V. Chadwick, D. M. Pickup, S. Ramos, L. W. L. Sayle, E. K. Sayle, T. X. T. Sayle, D. C. Sayle (2017): Is Geometric Frustration-Induced Disorder a Recipe for High Ionic Conductivity?,  J. Am. Chem. Soc. 139, 5842–5848 (2017)
DOI: 10.1021/jacs.7b00502

A. Knebel, B. Geppert, K. Volgmann, D.I. Kolokov, A.G. Stepanov, J. Twiefel, P. Heitjans, D. Volkmer, J. Caro (2017): Defibrillation of soft porous metal-organic frameworks with electric fields,  Science 358, 347–351 (2017)
DOI: 10.1126/science.aal2456

A.V. Skripov, K. Volgmann, C. V. Chandran, R. V. Skoryunov, O. A. Babanova, A. V. Soloninin, S. Orimo, P. Heitjans (2017): NMR Studies of Lithium Diffusion in Li3(NH2)2I over Wide Range of Li+ Jump Rates,  Z. Phys. Chem. 231, 1455–1465 (2017)
DOI: 10.1515/zpch-2016-0925

C. V. Chandran, K. Volgmann, S. Nakhal, R. Uecker, E. Witt, M. Lerch, P. Heitjans (2017): Local Ion Dynamics in Polycrystalline β-LiGaO2: A Solid-State NMR Study,  Z. Phys. Chem. 231, 1443–1453 (2017)
DOI: 10.1515/zpch-2016-0920

E. Turianicová, R. Witte, K. L. Da Silva, A. Zorkovská, M. Senna, H. Hahn, P. Heitjans, V. Sepelák, (2017): Combined Mechanochemical/Thermal Synthesis of Microcrystalline Pyroxene LiFeSi2O6 and One-Step Mechanosynthesis of Nanoglassy LiFeSi2O6-Based Composite,  J. Alloys Compd. 707, 310–314 (2017)
DOI: 10.1016/j.jallcom.2016.11.172

E. Witt, C. V. Chandran, P. Heitjans, (2017): Slow Ion Exchange in Crystalline Li2SO4.H2O: A 6Li 2D EXSY NMR Investigation,  Solid State Ionics 304, 60–64 (2017)
DOI: 10.1016/j.ssi.2017.03.016

J. Uhlendorf, B. Ruprecht, E. Witt, C. V. Chandran, L. Dörrer, E. Hüger, F. Strauß, P. Heitjans, H. Schmidt (2017): Slow Lithium Transport in Metal Oxides on the Nanoscale,  Zeitschrift für Phys. Chem. 231, 1423–1442 (2017)
DOI: 10.1515/zpch-2016-0939

K. Volgmann, V. Epp, J. Langer, B. Stanje, J. Heine, S. Nakhal, M. Lerch, M. Wilkening, P. Heitjans (2017): Solid-State NMR to Study Translational Li Ion Dynamics in Solids with Low-Dimensional Diffusion Pathways,  Zeitschrift für Phys. Chem. 231, 1215–1241 (2017)
DOI: 10.1515/zpch-2017-0952

K. Volgmann, V. Werth, S. Nakhal, M. Lerch, T. Bredow, P. Heitjans (2017): Solid-State NMR Spectroscopy Study of Cation Dynamics in Layered Na2Ti3O7 and Li2Ti3O7,  Z. Phys. Chem. 231, 1243–1262 (2017)
DOI: 10.1515/zpch-2016-0948

L. van Wüllen, J.-G. Schiffmann, J. Kopp, Z. Liu, H. Kirchhain, A. Düvel, P. Heitjans (2017): Development and Application of Novel NMR Methodologies for the in situ Characterization of Crystallization Processes of Metastable Crystalline Materials,  Z. Kristallogr. – Cryst. Mater. 232, 141–159 (2017)
DOI: 10.1515/zkri-2016-1975

M. M. Islam, J. Uhlendorf, E. Witt, H. Schmidt, P. Heitjans, T. Bredow (2017): Lithium Diffusion Mechanisms in β-LiMO2 (M = Al, Ga): A Combined Experimental and Theoretical Study,  J. Phys. Chem. C 121, 27788–27796 (2017)
DOI: 10.1021/acs.jpcc.7b06460

M. Wilkening, A. Düvel, F. Preishuber-Pflügl, K. da Silva, S. Breuer, V. Šepelák, P. Heitjans (2017): Structure and Ion Dynamics of Mechanosynthesized Oxides and Fluorides; Access to Nanocrystalline Ceramics via High-Energy Ball-Milling – a Short Review,  Z. Kristallogr. – Cryst. Mater. 232, 107–127 (2017)
DOI: 10.1515/zkri-2016-1963

P. Heitjans (2017): Mobility of Ions in Solids,  Zeitschrift für Phys. Chem., 231, 1211–1213 (2017)
DOI: 10.1515/zpch-2017-5000

V. Werth, K. Volgmann, M. M. Islam, P. Heitjans, T. Bredow (2017): Density Functional Theory Evaluated for Structural and Electronic Properties of 1T-Li_xTiS₂ and Lithium Ion Migration in 1T-Li_0.94TiS₂,  Z. Phys. Chem. 231, 1263–1278 (2017)
DOI: 10.1515/zpch-2016-0919

C. V. Chandran, S. Pristat, E. Witt, F. Tietz, P. Heitjans (2016): Solid-State NMR Investigations on the Structure and Dynamics of the Ionic Conductor Li1+xAlxTi2-x(PO4)3 (0.0 ≤ x ≤ 1.0),  J. Phys. Chem. C 120, 8436–8442 (2016)
DOI: 10.1021/acs.jpcc.6b00318

C.-L. Tsai, V. Roddatis, C. Vinod Chandran, Q. Ma, S. Uhlenbruck, M. Bram, P. Heitjans, O. Guillon (2016): Li7La3Zr2O12 Interface Modification for Li-dendrite Prevention,  ACS Appl. Mater. Interfaces 8, 10617–10626 (2016)
DOI: 10.1021/acsami.6b00831

C.V. Chandran, P. Heitjans (2016): Solid-State NMR Studies of Lithium Ion Dynamics Across Materials Classes,  Ann. Rep. NMR Spectrosc. 89, 1–102 (2016)
DOI: 10.1016/bs.arnmr.2016.03.001

D. Burow, K. Sergeeva, S. Calles, K. Schorb, A. Börger, C. Roth, P. Heitjans (2016): Inhomogeneous Degradation of Graphite Anodes in Automotive Lithium Ion Batteries under Low-Temperature Pulse Cycling Conditions,  J. Power Sources 307, 806–814 (2016)
DOI: 10.1016/j.jpowsour.2016.01.033

D. Wiedemann, S. Indris, M. Meven, B. Pedersen, H. Boysen, R. Uecker, P. Heitjans, M. Lerch (2016): Single-Crystal Neutron Diffraction on γ-LiAlO2: Structure Determination and Estimation of Lithium Diffusion Pathway,  Z. Krist. 231, 189–193 (2016)
DOI: 10.1515/zkri-2015-1896

D. Wiedemann, S. Nakhal, J. Rahn, E. Witt, M. M. Islam, S. Zander, P. Heitjans, H. Schmidt, T. Bredow, M. Wilkening, M. Lerch (2016): Unravelling Ultraslow Lithium-Ion Diffusion in γ-LiAlO2: Experiments with Tracers, Neutrons, and Charge Carriers,  Chem. Mater. 28, 915–924 (2016)
DOI: 10.1021/acs.chemmater.5b04608

F. Strauß, E. Hüger, P. Heitjans, T. Geue, J. Stahn, H. Schmidt (2016): Li Permeation through Thin Lithium-Silicon Films for Battery Applications Investigated by Neutron Reflectometry,  Energy Technology 12, 1582–1587 (2016)
DOI: 10.1002/ente.201600209

K. Bösebeck, C. V. Chandran, B. K. Licht, M. Binnewies, P. Heitjans (2016): Improved Electrochemical Performance of Modified Mesocarbon Microbeads for Lithium-Ion Batteries Studied Using Solid-State Nuclear Magnetic Resonance Spectroscopy,  Energy Technology 12, 1598–1603 (2016)
DOI: 10.15488/3726

L. Robben, E. Merzlyakowa, P. Heitjans, T. M. Gesing (2016): Symmetry Reduction due to Gallium Substitution in the Garnet Li6.43(2)Ga0.53(3)La2.67(4)Zr2O12,  Acta Cryst. E 72, 287-289 (2016)
DOI: 10.1107/S2056989016001924

M. Heise, G. Scholz, A. Düvel, P. Heitjans, E. Kemnitz (2016): Mechanochemical Synthesis, Structure, and Properties of Solid Solutions of Alkaline Earth Metal Fluorides: Ma1-xMbxF2 (M: Ca, Sr, Ba),  Solid State Sciences 60, 65–74 (2016)
DOI: 10.1016/j.solidstatesciences.2016.08.004

M. M. Islam, P. Heitjans, T. Bredow (2016): Structural Analysis and Li Migration Pathways in Ramsdellite Li2Ti3O7: A Theoretical Study,  J. Phys. Chem. C. 120, 5–10 (2016)
DOI: 10.1021/acs.jpcc.5b07942

P. Jeevan Kumar, K. Nishimura, M. Senna, A. Düvel, P. Heitjans, T. Kawaguchi, N. Sakamoto, N. Wakiya, H. Suzuki (2016): A Novel Low-Temperature Solid-State Route for Phase Pure Nanostructured Garnet-Type Cubic Li7La3Zr2O12 and its Application to Li-Ion Battery,  RSC Adv. 6, 62656–62667 (2016)
DOI: 016 10.1039/C6RA09695F

A.V. Chadwick, A. Düvel, P. Heitjans, D.M. Pickup, S. Ramos, D.C. Sayle, T.X.T. Sayle (2015): X-Ray Absorption Spectroscopy and Computer Modelling Study of Nanocrystalline Binary Alkaline Earth Fluorides,  IOP Conf. Series: Materials Science and Engineering 80, 012005 (2015)
DOI: 10.1088/1757-899X/80/1/012005

B. K. Licht, F. Homeyer, K. Bösebeck, M. Binnewies, P. Heitjans, (2015): Synthesis and Electrochemical Behavior of Nanostructured Copper Particles on Graphite for Application in Li-Ion Batteries,  Z. Phys. Chem. 229, 1415–1428 (2015)
DOI: 10.1515/zpch-2015-0003

E. Witt, S. Nakhal, C. V. Chandran, M. Lerch, P. Heitjans (2015): NMR and Impedance Spectroscopy Studies on Lithium Ion Diffusion in Microcrystalline γ-LiAlO2,  Z. Phys. Chem. 229, 1327–1340 (2015)
DOI: 10.1515/zpch-2015-0587

F. Strauß, E. Hüger, P. Heitjans, V. Trouillet, M. Bruns, H. Schmidt (2015): Li-Si Thin Films for Battery Applications produced by Ion-Beam Co-Sputtering,  RSC Adv. 5, 7192–7195 (2015)
DOI: 10.1039/C4RA14458A

G. Scholz, S. Breitfeld, T. Krahl, A. Düvel, P. Heitjans, E. Kemnitz (2015): Mechanochemical Synthesis of MgF2 - MF2 Composite Systems (M = Ca, Sr, Ba),  Solid State Sciences 50, 32–41 (2015)
DOI: 10.1016/j.solidstatesciences.2015.10.004

J. Rahn, B. Ruprecht, P. Heitjans, H. Schmidt (2015): Lithium Diffusion in Li-rich and Li-poor Amorphous Lithium Niobate,  Defect and Diffusion Forum 363, 62–67 (2015)
DOI: 10.4028/www.scientific.net/DDF.363.62

J. Rahn, E. Witt, P. Heitjans, H. Schmidt (2015): Lithium Diffusion in Ion-Beam Sputtered Amorphous LiAlO2,  Z. Phys. Chem. 229, 1341–1350 (2015)
DOI: 10.1515/zpch-2014-0658

J. Rahn, P. Heitjans, H. Schmidt (2015): Li Self-Diffusivities in Lithium Niobate Single Crystals as Function of Li2O Content,  J. Phys. Chem. C 119, 15557–15561 (2015)
DOI: 10.1021/acs.jpcc.5b04391

K. Volgmann, A. Schulz, A.-M. Welsch, T. Bredow, S. Nakhal, M. Lerch, P. Heitjans (2015): Lattice Vibrations to Identify the Li/Na Ratio in LixNa2-xTi6O13 (x = 0 … 2),  Z. Phys. Chem. 229, 1351–1362 (2015)
DOI: 10.1515/zpch-2015-0585

M. Fabián, P. Bottke,V. Girman, A. Düvel, K. L. Da Silva, M. Wilkening, H. Hahn, P. Heitjans, V. Šepelák (2015): A Simple and Straightforward Mechanochemical Synthesis of the Far From Equilibrium Zinc Aluminate, ZnAl2O4, and its Response to Thermal Treatment,  RSC Adv. 5, 54321-54328 (2015)
DOI: 10.1039/C5RA09098A

P. Heitjans (2015): Lithium Ions in Solids – Between Basics and Better Batteries,  Z. Phys. Chem. 229, 1263–1264 (2015)
DOI: 10.15488/2255

A. Düvel, J. Bednarcik, V. Šepelák, P. Heitjans (2014): Mechanosynthesis of the Fast Fluoride Ion Conductor Ba1−xLaxF2+x − From the Fluorite to the Tysonite Structure,  J. Phys. Chem. C 118, 7117–7129 (2014) (Cover Article)

A. Kuhn, S. Dupke, M. Kunze, S. Puravankara, T. Langer, R. Pöttgen, M. Winter, H.-D. Wiemhöfer, H. Eckert, P. Heitjans (2014): Insight into the Li Ion Dynamics in Li12Si7: Combining Field Gradient NMR, 1D/2D MAS NMR, and NMR Relaxometry,  J. Phys. Chem. C 118, 28350–28360 (2014)
DOI: 10.1021/jp505386u

A. Qiao, V. N. Kalevaru, J. Radnik , A. Düvel, P. Heitjans, A. Sri Hari Kumar, P. S. Sai Prasad, N. Lingaiah, A. Martin (2014): Oxidative Dehydrogenation of Ethane to Ethylene over V2O5/Al2O3 Catalysts: Effect of Source of Alumina on the Catalytic Performance,  Ind. Eng. Chem. Res. 53, 18711–18721 (2014)
DOI: 10.1021/ie5008344

E. Hüger, J. Rahn, J. Stahn, T. Geue, P. Heitjans, H. Schmidt (2014): Lithium Diffusion in Congruent LiNbO3 Single Crystals at Low Temperatures Probed by Neutron Reflectometry,  Phys. Chemistry Chem. Phys. 16, 3670–3674 (2014)
DOI: 10.1039/C3CP54939A

S. Thinius, M. Islam, P. Heitjans, T. Bredow (2014): Theoretical Study of Li Migration in Lithium-Graphite Intercalation Compounds with Dispersion Corrected DFT Methods,  J. Phys. Chem. C 118, 2273–2280 (2014)
DOI: 10.1021/jp408945j

V. Šepelák, M. Myndyk, R. Witte, J. Röder, D. Menzel, H. Schuster, H. Hahn, P. Heitjans, K.-D. Becker (2014): The Mechanically Induced Structural Disorder in Barium Hexaferrite, BaFe12O19, and its Impact on Magnetism,  Faraday Discuss. 170, 121–135 (2014)
DOI: 10.1039/C3FD00137G

V. Šepelák, P. Heitjans, K. D. Becker (2014): One-step Mechanosynthesis of Nanocrystalline Oxides,  Acta Montanistica Slovaca 19, 107–110 (2014)

G. Scholz, K. Meyer, A. Düvel, P. Heitjans, E. Kemnitz (2013): Fast Ion Conducting Nanocrystalline Alkaline Earth Fluorides Simply Prepared by Mixing or Manual Shaking,  Z. Anorg. Allg. Chem. 639, 660–666 (2013)
DOI: 10.1002/zaac.201300083

J. Hinterberg, A. Adams, B. Blümich, P. Heitjans, S. Kim, Z. A. Munir, M. Martin, (2013): H-1-NMR Measurements of Proton Mobility in Nanocrystalline YSZ,  Phys. Chem. Chem. Phys. 15, 19825–19830 (2013)
DOI: 10.1039/C3CP53039F

J. Kohl, S. Nakhal, N. Ferro, P. Bottke, M. Wilkening, Th. Bredow, P. Heitjans, M. Lerch (2013): Low-Temperature Synthesis, Characterization, and Stability of Spinel-Type Li2NiF4 and Solid-Solutions Li2Ni1-xCoxF4,  Z. Anorg. Allg. Chem. 639, 326–333 (2013)
DOI: 10.1002/zaac.201200455

J. Langer, V. Epp, P. Heitjans, F. A. Mautner, M. Wilkening (2013): Lithium Motion in the Anode Material LiC6 as seen via Time-Domain 7Li NMR,  Phys. Rev. B 88, 094304-1-9 (2013)
DOI: 10.1103/PhysRevB.88.094304

J. Rahn, L. Dörrer, B. Ruprecht, P. Heitjans, H. Schmidt (2013): Li Diffusion in (110) Oriented LiNbO3 Single Crystals,  Defect Diffus. Forum 333, 33–38 (2013)
DOI: 10.4028/www.scientific.net/DDF.333.33

M. Senna, A. Düvel, V. Šepelák, J. Shi, K. L. Da Silva, V. Laporte, S. Lebedkin, C. Kübel, D. Wang, D. Schünemann, K.-D. Becker, P. Heitjans (2013): Transfer and State Changes of Fluorine at Polytetrafluoroethylene/Titania Boundaries by Mechanical Stressing and Thermal Annealing,  J. Phys. Chem. C 117, 15272–15278 (2013)
DOI: 10.1021/jp4024926

P. Heitjans (2013): Diffusion in Lithium Ion Conductors – From Fundamentals to Applications,  Diffusion Fundamentals 20, 19 (2013)

V. Sepelak, A. Düvel, M. Wilkening, K.-D. Becker, P. Heitjans (2013): Mechanochemical Reactions and Syntheses of Oxides,  Chem. Soc. Rev. 42, 7507–7520 (2013)
DOI: 10.1039/C2CS35462D

A. Düvel, A. Kuhn, L. Robben, M. Wilkening, P. Heitjans (2012): Mechanosynthesis of Solid Electrolytes: Preparation, Characterization, and Li Ion Transport Properties of Garnet-Type Al-Doped Li7La3Zr2O12 Crystallizing with Cubic Symmetry,  J. Phys. Chem. C 116, 15192–15202 (2012)
DOI: 10.1021/jp301193r

A. Kuhn, M. Kunze, P. Sreeraj, H.-D. Wiemhöfer, V. Thangadurai, M. Wilkening, P. Heitjans (2012): NMR Relaxometry as a Versatile Tool to Study Li Ion Dynamics in Potential Battery Materials,  Solid State Nucl. Magn. Reson. 42, 2–8 (2012)
DOI: 10.1016/j.ssnmr.2012.02.001

A. Kuhn, S.-Y. Choi, L. Robben, F. Tietz, M. Wilkening, P. Heitjans (2012): Li Ion Dynamics in Al-doped Garnet-type Li7La3Zr2O12 Crystallizing with Cubic Symmetry,  Z. Phys. Chem. 226, 525–537 (2012)
DOI: 10.1524/zpch.2012.0250

A.-M. Welsch, H. Behrens, I. Horn, S. Roß, P. Heitjans (2012): Self-Diffusion of Lithium in LiAlSi2O6 Glasses Studied Using Mass Spectrometry,  J. Phys. Chem. A 116, 309–318 (2012)
DOI: 10.1021/jp209319b

B. Ruprecht, J. Rahn, H. Schmidt, P. Heitjans (2012): Low-Temperature DC Conductivity of LiNbO3 Single Crystals,  Z. Phys. Chem. 226, 431–437 (2012)
DOI: 10.1524/zpch.2012.0226

B. Ruprecht, M. Wilkening, R. Uecker, P. Heitjans (2012): Extremely Slow Li Dynamics in Monoclinic Metatitanate Li2TiO3 – Probing Macroscopic Jump Diffusion via 7Li NMR Stimulated Echoes,  Phys. Chem. Chem. Phys 14, 11974–11980 (2012)
DOI: 10.1039/c2cp41662j

D. Zahn, P. Heitjans, J. Maier (2012): From Composites to Solid Solutions: Modeling of Ionic Conductivity in the CaF2-BaF2 System,  Chem. Eur. J. 18, 6225-6229 (2012)
DOI: 10.1002/chem.201102410

J. Kohl, D. Wiedemann, S. Nakhal, P. Bottke, N. Ferro, T. Bredow, E. Kemnitz, M. Wilkening, P. Heitjans, M. Lerch (2012): Synthesis of Ternary Transition Metal Fluorides Li3MF6 via a Sol-gel Route as Candidates for Cathode Materials in Lithium-Ion Batteries,  J. Mater. Chem. 22, 15819–15827 (2012)
DOI: 10.1039/C2JM32133E

J. Rahn, E. Hüger, L. Dörrer, B. Ruprecht, P. Heitjans, H. Schmidt (2012): Self-diffusion of Lithium in Amorphous Lithium Niobate Layers,  Z. Phys. Chem. 226, 439–448 (2012)
DOI: 10.1524/zpch.2012.0214

J. Rahn, E. Hüger, L. Dörrer, B. Ruprecht, P. Heitjans, H. Schmidt (2012): Li Self-Diffusion in Lithium Niobate Single Crystals at Low Temperatures,  Phys. Chem. Chem. Phys. 14, 2427–2433 (2012)
DOI: 10.1039/c2cp23548j

J. Rahn, E. Hüger, L. Dörrer, B. Ruprecht, P. Heitjans, H. Schmidt (2012): A SIMS Study on Li Diffusion in Single Crystalline and Amorphous LiNbO3,  Defect Diffus. Forum 323–325, 69–74 (2012)
DOI: 10.4028/www.scientific.net/DDF.323-325.69

M. Islam, M. Wilkening, P. Heitjans, T. Bredow (2012): Insight into Li Ion Migration Pathways in α-Li3VF6: A First Principles Investigation,  J. Phys. Chem. Lett. 3, 3120 (2012)
DOI: 10.1021/jz3014198

M. M. Islam, T. Bredow, P. Heitjans (2012): The Ionic Conductivity in Lithium-Boron Oxide Materials and its Relation to Structural, Electronic and Defect Properties: Insights from Theory,  J. Phys.: Condens. Matter 24, 203201 (2012)
DOI: 10.1088/0953-8984/24/20/203201

M. Wilkening, P. Heitjans (2012): From Micro to Macro: Access to Long-Range Li+ Diffusion Parameters in Solids via Microscopic 6,7Li Spin-Alignment Echo NMR,  ChemPhysChem 13, 53–65 (2012) (Cover Article)
DOI: 10.1002/cphc.201100580

S. Indris, P. Heitjans, C. P. Grey (2012): Multinuclear NMR Spectroscopic Studies of Structure and Dynamics in Hydrous NaAlSi3O8 and Ca0.5AlSi3O8 Glasses,  J. Non-Cryst. Solids 358, 2862–2867 (2012)
DOI: 10.1016/j.jnoncrysol.2012.07.019

S. Indris, P. Heitjans, R. Uecker, B. Roling (2012): Li Ion Dynamics in a LiAlO2 Single Crystal Studied by 7Li NMR Spectroscopy and Conductivity Measurements,  J. Phys. Chem. C 116, 14243−14247 (2012)
DOI: 10.1021/jp3042928

V. Epp, C. Brüning, M. Binnewies, P. Heitjans, M. Wilkening (2012): Studying Li Ion Dynamics in a Gas-phase Synthesized Amorphous Oxide by NMR and Impedance Spectroscopy,  Z. Phys. Chem. 226, 513–524 (2012)
DOI: 10.1524/zpch.2012.0224

V. Šepelák, M. Myndyk, M. Fabian, K.L. Da Silva, A. Feldhoff, D. Menzel, M. Ghafari, H. Hahn, P. Heitjans, K.-D. Becker (2012): Mechanosynthesis of nanocrystalline fayalite, Fe2SiO4,  Chem. Commun. 48, 11121–11123 (2012)
DOI: 10.1039/C2CC36370D

V. Šepelák, S.M. Becker, I. Bergmann, S. Indris, M. Scheuermann, A. Feldhoff, Ch. Kübel, M. Bruns, N. Stürzl, A.S. Ulrich, M. Ghafari, H. Hahn, C.P. Grey, K.D. Becker, P. Heitjans (2012): Nonequilibrium structure of Zn2SnO4 spinel nanoparticles,  Journal of Materials Chemistry 22, 3117-3126 (2012)
DOI: 10.1039/C2JM15427G

A. Düvel, B. Ruprecht, P. Heitjans, M. Wilkening (2011): Mixed Alkaline-Earth Effect in the Metastable Anion Conductor Ba1-xCaxF2 (0 ≤ x ≤ 1): Correlating Long-range Ion Transport with Local Structures Revealed by Ultrafast 19F MAS NMR,  J. Phys. Chem. C 115, 23784–23789 (2011)
DOI: 10.1021/jp208472f

A. Düvel, E. Romanova, M. Sharifi, D. Freude, M. Wark, P. Heitjans, M. Wilkening (2011): Mechanically Induced Phase Transformation of γ-Al2O3 into α-Al2O3. Access to Structurally Disordered γ-Al2O3 with a Controllable Amount of Pentacoordinated Al Sites,  J. Phys. Chem. C 115, 22770–22780 (2011)
DOI: 10.1021/jp206077r

A. Düvel, K. Efimov, A. Feldhoff, V. Šepelák, P. Heitjans, M. Wilkening (2011): Access to metastable complex ion conductors viamechanosynthesis: preparation, microstructure and conductivity of (Ba,Sr)LiF3 with inverse perovskite structure,  J. Mater. Chem. 21 (2011) 6238.
DOI: 10.1039/C0JM03439H

A. Düvel, M. Wilkening, S. Wegner, A. Feldhoff, V. Šepelák, P. Heitjans (2011): Ion conduction and dynamics in mechanosynthesized nanocrystalline BaLiF3,  Solid State Ionics 184 (2011) 65.
DOI: 10.1016/j.ssi.2010.08.025

A. Kuhn, P. Sreeraj, R. Pöttgen, H.-D. Wiemhöfer, M. Wilkening, P. Heitjans (2011): Li NMR Spectroscopy on Crystalline Li12Si7: Experimental Evidence for the Aromaticity of the Planar Cyclopentadienyl-Analogous Si56− Rings,  Angew. Chem. Intern. Ed. 50, 12099–12102 (2011); Angew. Chem. 123, 12305–12308 (2011) (Highlighted as ‘Solidly Aromatic’ in Science 334 (2011) 739)
DOI: 10.1002/anie.201105081

A. Kuhn, P. Sreeraj, R. Pöttgen, H.-D. Wiemhöfer, M. Wilkening, P. Heitjans (2011): Li Ion Diffusion in the Anode Material Li12Si7 ― Ultrafast Quasi-1D Diffusion and Two Distinct Fast 3D Jump Processes Separately Revealed by 7Li NMR Relaxometry,  J. Am. Chem. Soc. 133, 11018–11021 (2011) (Cover Article)
DOI: 10.1021/ja2020108

D. Zahn, S. Herrmann, P. Heitjans (2011): On the Mechanisms of Ionic Conductivity in BaLiF3: A Molecular Dynamics Study,  Phys. Chem. Chem. Phys. 13, 21492–21495 (2011)
DOI: 10.1039/C1CP22495F

H. Buschmann, J. Dölle, S. Berendts, A. Kuhn, P. Bottke, M. Wilkening, P. Heitjans, A. Senyshyn, H. Ehrenberg, A. Lotnyk, V. Duppel, L. Kienle, J. Janek (2011): Structure and Dynamics of the Fast Lithium Ion Conductor "Li7La3Zr2O12",  Phys. Chem. Chem. Phys. 13, 19378–19392 (2011); Erratum: 13, 21658–21659 (2011)
DOI: 10.1039/C1CP22108F

K.L. Da Silva, D. Menzel, A. Feldhoff, Ch. Kübel, M. Bruns, A. Paesano Jr., A. Düvel, M. Wilkening, M. Ghafari, H. Hahn, F.J. Litterst, P. Heitjans, K.D. Becker, V. Šepelák (2011): Mechanosynthesized BiFeO3 nanoparticles with highly reactive surface and enhanced magnetization,  J. Phys. Chem. C 115 (2011) 7209.
DOI: 10.1021/jp110128t

K.L. Da Silva, V. Šepelák, A. Düvel, A. Paesano Jr., F.J. Litterst, P. Heitjans, K.D. Becker (2011): Mechanochemical-thermal Preparation and Structural Studies of Mullite-type Bi2(GaxAl1-x)4O9 Solid Solutions,  J. Solid State Chem.184, 1346–1352 (2011)
DOI: 10.1016/j.jssc.2011.04.007

M.M. Islam, T. Bredow, P. Heitjans (2011): Formation and Mobility of Li Point Defects in LiBO2: A First-Principles Investigation,  J. Phys. Chem. C 115, 12343–12349 (2011)
DOI: 10.1021/jp203045f

P. Bottke, S. Nakhal, M. Lerch, M. Wilkening, P. Heitjans (2011): Revealing Li+ Exchange in the β-Modification of Li3VF6 by 6Li 2D MAS NMR Spectroscopy,  Diffusion Fundamentals 16, 40 (2011)

V. Šepelák, I. Bergmann, S. Indris, A. Feldhoff, H. Hahn, K.D. Becker, C.P. Grey, P. Heitjans (2011): High-resolution 27Al MAS NMR spectroscopic studies of the response of spinel aluminates to mechanical action,  J. Mater. Chem. 21 (2011) 8332.
DOI: 10.1039/C0JM03721D

A. Düvel, M. Wilkening, R. Uecker, P. Heitjans (2010): Ion Transport Properties of the Inverse Perovskite BaLiF3 Prepared by High-Energy Ball Milling,  Diffusion Fundamentals 12,104 (2010)

A. Düvel, M. Wilkening, R. Uecker, S. Wegner, V. Šepelák, P. Heitjans (2010): Mechanosynthesized Nanocrystalline BaLiF3: The Impact of Grain Boundaries and Structural Disorder on Ionic Transport (Cover Article),  Phys. Chem. Chem. Phys. 12, 11251–11262 (2010)

A. Kuhn, P. Heitjans (2010): Slow Li Exchange in a Li3N Single Crystal Measured by 6,7Li NMR Selective Quadrupole Satellite Inversion,  Diffusion Fundamentals 12, 97 (2010)

B. Ruprecht, J. Heine, M. Wilkening, S. Indris, J. Wontcheu, W. Bensch, Th. Bredow, P. Heitjans (2010): Influence of Anion Substitution on the Lithium Diffusivity in Hexagonal LixTiS2-ySey,  Diffusion Fundamentals 12,106 (2010)

B. Ruprecht, P. Heitjans (2010): Ultraslow Lithium Diffusion in Li3NbO4 Probed by 7Li Stimulated Echo NMR Spectroscopy,  Diffusion Fundamentals 12, 100 (2010)

J. Heine, M. Wilkening, P. Heitjans (2010): Slow Li+ Self-Diffusion in Li Intercalated Nanometer-Sized Needlelike Rutile TiO2 as Probed by Mixing Time Dependent¬ 7Li Stimulated Echo NMR Spectroscopy,  Diffusion Fundamentals 12, 95 (2010)

L. J. Berchmans, M. Myndyk, K. L. Da Silva, A. Feldhoff, J. Šubrt, P. Heitjans, K. D. Becker, V. Šepelák (2010): A Rapid One-Step Mechanosynthesis and Characterization of Nanocrystalline CaFe2O4 with Orthorhombic Structure,  J. Alloys Compd. 500, 68–73 (2010)

M. Wilkening, E. Romanova, S. Nakhal, D. Weber, M. Lerch, P. Heitjans (2010): Time-Resolved Site-Specific Insights into Migration Mechanisms and Diffusion Pathways of Li+ in α-Li3VF6 by 2D Exchange MAS NMR (Cover Article),  J. Phys. Chem. C 114, 19083-19088 (2010)

M. Wilkening, P. Heitjans (2010): Nuclear Magnetic Resonance Methods for Studying Li+ Diffusion in Micro- and Nanocrystalline as well as Amorphous Materials,  Diffusion Fundamentals 12, 8 (2010)

V. Epp, C. Brünig, M. Wilkening, M. Binnewies, P. Heitjans (2010): Lithium Diffusion Studies of Gas-Phase Synthesized Amorphous Oxides – An NMR Investigation,  Diffusion Fundamentals 12,102 (2010)

V. Sepelak, I. Bergmann, S. Indris, J. Subrt, P. Heitjans, and K.-D. Becker (2010): Nanocrystalline Complex Oxides Prepared by Mechanochemical Reactions,  AIP Conf. Proc. 1258, 96–101 (2010), J. Tuček and M. Miglierini (Eds.), Mössbauer Spectroscopy in Materials Science – 2010, American Institute of Physics, Melville, New York, 2010
ISBN: 978-0-7354-0806-7

V. Šepelák, P. Heitjans, K.-D. Becker (2010): Mößbauer Spectroscopy for Studying Chemical Reactions,  Diffusion Fundamentals 12, 23 (2010)

A. Düvel, M. Wilkening, P. Heitjans (2009): Ionic Transport in Mechanosynthesized Nanocrystalline BaLiF3,  Diffusion Fundamentals 11, 46 (2009)

A. Kuhn, E. Tobschall, P. Heitjans (2009): Li Ion Diffusion in Nanocrystalline and Nanoglassy LiAlSi2O6 and LiBO2 – Structure-Dynamics Relations in Two Glass Forming Compounds,  Z. Phys. Chem. 223, 1359 (2009)

A. Kuhn, M. Wilkening, P. Heitjans (2009): Mechanically Induced Decrease of the Li Conductivity in an Alumosilicate Glass,  Solid State Ion. 180, 302–307 (2009)

B. Ruprecht, M. Wilkening, A. Feldhoff, S. Steuernagel, P. Heitjans (2009): High Anion Conductivity in a Ternary Non-Equilibrium Phase of BaF2 and CaF2 with Mixed Cations,  Phys. Chem. Chem. Phys. 11, 3071–3081 (2009)

J. Heine, M. Wilkening, P. Heitjans (2009): Li Diffusion in Li2Ti3O7 Probed by 7Li Stimulated Echo NMR,  Diffusion Fundamentals 11, 47 (2009)

P. Heitjans, M. Wilkening (2009): Diffusion in Nanocrystalline Ion Conductors Studied by Solid State NMR and Impedance Spectroscopies,  Def. Diff. Forum 283–286, 705 (2009)

P. Heitjans, M. Wilkening (2009): Ion Dynamics at Interfaces: Nuclear Magnetic Resonance Studies,  MRS Bull. 34, 915 (2009)

R. Amade, P. Heitjans, S. Indris, M. Finger, A. Haeger, D. Hesse (2009): Defect Formation During High-Energy Ball Milling in TiO2 and its Relation to the Photocatalytic Activity,  J. Photochem. Photobiol. A 207, 231 (2009)

V. Šepelák, I. Bergmann, S. Indris, A. Feldhoff, P. Heitjans, K. D. Becker (2009): Response of the Local Structure of Complex Oxides to Mechanical Action,  Ann. Chim. Sci. Mat. 34, 377 (2009)

V. Sepelak, K. D. Becker, I. Bergmann S. Suzuki, S. Indris, A. Feldhoff, P. Heitjans, C. Grey (2009): A One-Step Mechanochemical Route to Core-Shell Ca2SnO4 Nanoparticles Followed by 119Sn MAS NMR and 119Sn Moessbauer Spectroscopy,  Chem. Mater. 21, 2518–2524 (2009)

W. Bensch, T. Bredow T, H. Ebert, P. Heitjans, S. Indris, S. Mankovsky, M. Wilkening (2009): Li Intercalation and Anion/Cation Substitution of Transition Metal Chalcogenides: Effects on Crystal Structure, Microstructure, Magnetic Properties and Li+ Ion Mobility,  Progr. Sol. St. Chem. 37, 206 (2009)

W. Iwaniak, J. Fritzsche, M. Zukalová, R. Winter, M. Wilkening, P. Heitjans (2009): Li Conductivity of Nanocrystalline Li4Ti5O12 Prepared by a Sol-Gel Method and High-Energy Ball Milling,  Def. Diff. Forum 289-292, 565 (2009)

B. Ruprecht, M. Wilkening, S. Steuernagel, P. Heitjans (2008): Anion Diffusivity in Highly Conductive Nanocrystalline BaF2:CaF2 Composites Prepared by High-Energy Ball Milling,  J. Mater. Chem. 18, 5412–5416 (2008)

I. Bergmann, V. Sepelak, A. Feldhoff, P. Heitjans, K.D. Becker (2008): Particle Size Dependent Cation Distribution in Lithium Ferrite Spinel LiFe5O8,  Rev. Adv. Mater. Sci. 18, 375–378 (2008)

J. Wontcheu, W. Bensch, M. Wilkening, P. Heitjans, S. Indris, P. Sideris, C. P. Grey, S. Mankovsky, H. Ebert (2008): Tuning the Structural and Physical Properties of Cr2Ti3Se8 by Lithium Intercalation: A Study of the Magnetic Properties and Investigation of Ion Mobility with NMR Spectroscopy,  J. Am. Chem. Soc.130, 288 (2008)

M. Wilkening, A. Kuhn, P. Heitjans (2008): Atomic-Scale Measurement of Ultraslow Li Motions in Glassy LiAlSi2O6 by Two-Time 6Li Spin-Alignment Echo NMR,  Phys. Rev. B 78, 054303 (2008)

M. Wilkening, D. Gebauer, P. Heitjans (2008): Diffusion Parameters in Single-Crystalline Li3N as Probed by 6Li and 7Li Spin-Alignment Echo NMR Spectroscopy in Comparison with Results from 8Li Beta-Radiation Detected NMR,  J. Phys.: Condens. Matter 20, 022201 (2008)

M. Wilkening, M. Masoud, P. Heitjans (2008): Li Dynamics in Amorphous LiNbO3 as Probed by Solid State NMR on Different Length Scales,  Diffusion Fundamentals 8, 5 (2008)

M. Wilkening, P. Heitjans (2008): The Li Jump Process in h-Li0.7TiS2 Studied by Two-Time 7Li Spin-Alignment Echo NMR and Comparison with Results on 2D Diffusion from Nuclear Magnetic Relaxation,  Phys. Rev. B 77, 024311 (2008)

M. Wilkening, V. Epp, A. Feldhoff, P. Heitjans (2008): Tuning the Li Diffusivity of Poor Ionic Conductors by Mechanical Treatment: High Li Conductivity of Strongly Defective LiTaO3 Nanoparticles,  J. Phys. Chem. C 112, 9291 (2008)

P. Fielitz, G. Borchardt, R. A. De Souza, M. Martin, M. Masoud, P. Heitjans (2008): Oxygen-18 Surface Exchange and Diffusion in Li2O-Deficient Single Crystalline Lithium Niobate,  Solid State Sciences 10, 746 (2008)

P. Heitjans, E. Tobschall, M. Wilkening (2008): Ion Transport and Diffusion in Nanocrystalline and Glassy Ceramics – Impedance and NMR Spectroscopy Measurements on Li Ion Conductors,  Eur. Phys. J. - Special Topics 161, 97 (2008)

V. Sepelak, I. Bergmann, A. Diekmann, P. Heitjans, K. D. Becker (2008): Mechanosynthesis of Nanocrystalline Iron Germanate Fe2GeO4 with a Nonequilibrium Cation Distribution,  Rev. Adv. Mater. Sci. 18, 349–352 (2008)

A. Bunde, P. Heitjans, S. Indris, J.W. Kantelhardt, M. Ulrich (2007): Anomalous Transport and Diffusion in Percolation Systems,  Diffusion Fundamentals 6, 9 (2007)

J. Wontcheu, M. Behrens, W. Bensch, S. Indris, M. Wilkening, P. Heitjans (2007): A Study of Li Intercalation into Cr3Ti2Se8 Using Electrochemistry, In-situ Energy Dispersive X-ray Diffractometry and NMR Spectroscopy,  Solid State Ionics 178, 759 (2007)

M. M. Islam, T. Bredow, S. Indris, P. Heitjans (2007): Enhanced Conductivity at the Interface of Li2O:B2O3 Nanocomposites: Atomistic Models,  Phys. Rev. Lett. 99, 145502 (2007)

M. Wilkening, C. Mühle, M. Jansen, P. Heitjans (2007): Microscopic Access to Long-range Diffusion Parameters of the Fast Lithium Ion Conductor Li7BiO6 by Solid State 7Li Stimulated Echo NMR,  J. Phys. Chem. B 111, 8691 (2007)

M. Wilkening, P. Heitjans (2007): Comparison of 3D and 2D Li Diffusion in Cubic and Hexagonal LixTiS2 – A Study by Solid State 7Li NMR Methods,  Diffusion Fundamentals 6, 40 (2007)

M. Wilkening, R. Amade, W. Iwaniak, P. Heitjans (2007): Ultraslow Li Diffusion in Spinel-type Structured Li4Ti5O12 – a Comparison of Results from Solid State NMR and Impedance Spectroscopy,  Phys. Chem. Chem. Phys. 9, 1239 (2007)

M. Wilkening, W. Iwaniak, J. Heine, V. Epp, A. Kleinert, M. Behrens, G. Nuspl, W. Bensch, P. Heitjans (2007): Microscopic Li Self-Diffusion Parameters in the Lithiated Anode Material Li4+xTi5O12 (0 ≤ x ≤ 3) Measured by 7Li Solid State NMR (Cover Article),  Phys. Chem. Chem. Phys. 9, 6199 (2007)

P. Heitjans, M. Masoud, A. Feldhoff, M. Wilkening (2007): NMR and Impedance Studies of Nanocrystalline and Amorphous Ion Conductors: Lithium Niobate as a Model System,  Faraday Discuss. 134, 67 (2007)

S. Indris, P. Heitjans, J. Hattendorf, W.-D. Zeitz, T. Bredow (2007): Local Electronic Structure in MgB2 from 12B β-NMR,  Phys. Rev. B 75, 02450 (2007)

V. Sepelak, I. Bergmann, A. Feldhoff, P. Heitjans, F. Krumeich, D. Menzel, F. J. Litterst, S. J. Campbell, K. D. Becker (2007): Nanocrystalline Nickel Ferrite, NiFe2O4: Mechanosynthesis, Nonequilibrium Cation Distribution, Canted Spin Arrangement, and Magnetic Behavior,  J. Phys. Chem. C 111, 5026 (2007)

V. Sepelak, I. Bergmann, D. Menzel, A. Feldhoff, P. Heitjans, F.J. Litterst, K.D. Becker (2007): Magnetization enhancement in nanosized MgFe2O4 prepared by mechanosynthesis,  J. Mag. Magn. Mater. 316, 764 (2007)

V. Šepelák, P. Heitjans, K. D. Becker (2007): Nanoscale Spinel Ferrites Prepared by Mechanochemical Route,  J. Therm. Anal. Calorim. 90, 93 (2007)

V. Sepelak, S. Indris, P. Heitjans, K.D. Becker (2007): Direct Determination of the Cation Disorder in Nanoscale Spinels by NMR, XPS, and Mössbauer Spectroscopy,  J. Alloys Compd. 434-435, 776 (2007)

M. Behrens, O. Riemenschneider, W. Bensch, S. Indris, M. Wilkening, P. Heitjans (2006): Lithium Intercalation into Monoclinic Cr4TiSe8: Synthesis, Structural Phase Transition, and Properties of LixCr4TiSe8 (x = 0.1 - 2.8),  Chem. Mater. 18, 1569 (2006)

M. Wilkening, P. Heitjans (2006): Extremely Slow Cation Exchange Processes in Li4SiO4 Probed Directly by Two-Time 7Li Stimulated-Echo Nuclear Magnetic Resonance Spectroscopy,  J. Phys.: Condens. Matter 18, 9849 (2006)

M. Wilkening, P. Heitjans (2006): New Prospects in Studying Li Diffusion – Two-Time Stimulated Echo NMR of Spin-3/2 Nuclei,  Solid State Ionics 177, 3031 (2006)

M. Wilkening, W. Küchler, P. Heitjans (2006): From Ultraslow to Fast Lithium Diffusion in the 2D Ion Conductor Li0.7TiS2 Probed Directly by Stimulated-Echo NMR and Nuclear Magnetic Relaxation,  Phys. Rev. Lett. 97, 065901 (2006)

R. Amade, P. Heitjans, S. Indris, M. Finger, A. Haeger, D. Hesse (2006): Influence of Gas Atmosphere and Temperature on the Conductivity and the Photoconductivity of a TiO2 Single Crystal in the Surface Region,  Phys. Chem. Chem. Phys. 8, 777 (2006)

S. Indris, P. Heitjans, R. Uecker, T. Bredow (2006): Local Electronic Structure in a LiAlO2 Single Crystal Studied with 7Li NMR Spectroscopoy and Comparison with Quantum Chemical Calculations,  Phys. Rev. B. 74, 245120 (2006)

V. Sepelak, A. Feldhoff, P. Heitjans, F. Krumeich, D. Menzel, F. J. Litterst, I. Bergmann, K. D. Becker (2006): Nonequilibrium Cation Distribution, Canted Spin Arrangement, and Enhanced Magnetization in Nanosized MgFe2O4 Prepared by a One-Step Mechanochemical Route,  Chem. Mater. 18, 3057 (2006)

V. Sepelak, S. Indris, I. Bergmann, A. Feldhoff, K. D. Becker, P. Heitjans (2006): Nonequilibrium Cation Distribution in Nanocrystalline MgAl2O4 Spinel Studied by 27Al Magic-Angle Spinning NMR,  Solid State Ionics 117, 2487 (2006)

F. Qi, C. Rier, R. Böhmer, W. Franke, P. Heitjans (2005): Ion Hopping in Crystalline and Glassy Spodumene LiAlSi2O6: 7Li Spin-Lattice Relaxation and 7Li Echo NMR Spectroscopy,  Phys. Rev. B 72, 104301 (2005)

M. Masoud, P. Heitjans (2005): Impedance Spectroscopy Study of Li Ion Dynamics in Single Crystal, Microcrystalline, Nanocrystalline, and Amorphous LiNbO3,  Defect and Diff. Forum 237-240, 1016 (2005)

M. Wilkening, P. Heitjans (2005): Ultraslow Diffusion in Polycrystalline h-LiTiS2 Studied by 7Li Spin-Alignment Echo NMR Spectroscopy,  Defect and Diff. Forum 237-240, 1182 (2005)

M. Wilkening, P. Heitjans (2005): Ultraslow Cation Diffusion in Li Intercalated Cubic TiS2,  Diffusion Fundamentals 2, 60 (2005)

S. Indris, P. Heitjans, H. Behrens, R. Zorn, B. Frick (2005): Fast Dynamics of H2O on Hydrous Alumosilicate Glasses Studied with Quasielastic Neutron Scattering,  Phys. Rev. B 71, 064205 (2005)

S. Indris, P. Heitjans, M. Ulrich, A. Bunde (2005): AC and DC Conductivity in Nano- and Microcrystalline Li2O:B2O3 Composites: Experimental Results and Theoretical Models,  Z. Phys. Chem. 219, 89 (2005)

S. Indris, R. Amade, P. Heitjans, M. Finger, A. Haeger, D. Hesse, W. Grünert, A. Börger, K. D. Becker (2005): Preparation by High-Energy Milling, Characterization, and Catalytic Properties of Nanocrystalline TiO2,  J. Phys. Chem. B 109, 23274 (2005)

S. Indris, R. Uecker, P. Heitjans (2005): Li Diffusion in LiAlO2 Single Crystals Studied with NMR Spectroscopy,  Diffusion Fundamentals 2, 50 (2005)

D. M. Fischer, P. Duwe, S. Indris, P. Heitjans (2004): Tracer Diffusion Measurements in Solid Lithium: A Test Case for the Comparison between NMR in Static and Pulsed Magnetic Field Gradients after Upgrading a Standard Solid State NMR spectrometer,  Solid State Nucl. Magn. Reson. 26, 74 (2004)

M. Ulrich, A. Bunde, S. Indris, P. Heitjans (2004): Li Ion Transport and Interface Percolation in Nano- and Microcrystalline Composites,  Phys. Chem. Chem. Phys. 6, 3680 (2004)

O. Riemenschneider, M. Behrens, W. Bensch, S. Indris, P. Heitjans (2004): Lithium Intercalation into the Complex Transition Metal Selenide Cr4TiSe8,  Solid State Ionics: The Science and Technology of Ions in Motion (2004), p. 757

P. Heitjans, S. Indris (2004): Fast Diffusion in Nanocrystalline Ceramics Prepared by Ball Milling,  J. Mater. Sci. 39, 5091 (2004)

T. Bredow, P. Heitjans, M. Wilkening (2004): Electric Field Gradient Calculations for LixTiS2 and Comparison with 7Li NMR Results,  Phys. Rev. B 70, 115111 (2004)

M. Wilkening, S. Indris, P. Heitjans (2003): Heterogeneous Lithium Diffusion in Nanocrystalline Li2O:Al2O3 Composites,  Phys. Chem. Chem. Phys. 5, 2225 (2003)

P. Heitjans, S. Indris (2003): Diffusion and Ionic Conduction in Nanocrystalline Ceramics (Topical Review),  J. Phys.: Condens. Matter 15, R1257 (2003)

H. Behrens, R. Kappes, P. Heitjans (2002): Proton Conduction in Glass – An Impedance and Infrared Spectroscopic Study on Hydrous BaSi2O5 Glass,  J. Non-Cryst. Solids 306, 271 (2002)

M. Wilkening, D. Bork, S. Indris, P. Heitjans (2002): Diffusion in Amorphous LiNbO3 Studied by 7Li-NMR – Comparison with the Nano- and Microcrystalline Material,  Phys. Chem. Chem. Phys. 4, 3246 (2002)

S. Indris, P. Heitjans (2002): Heterogeneous 7Li-NMR Relaxation in Nanocrystalline Li2O:B2O3 Composites,  J. Non-Cryst. Solids 307-310, 555 (2002)

A. K. Rizos, J. Alifragis, K. L. Ngai, P. Heitjans (2001): Near Constant Loss in Glassy and Crystalline LiAlSi2O6 from Conductivity Relaxation Measurements,  J. Chem. Phys. 114, 931 (2001)

D. Bork, P. Heitjans (2001): NMR Investigations on Ion Dynamics and Structure in Nanocrystalline and Polycrystalline LiNbO3,  J. Phys. Chem. B 105, 9162 (2001)

F. Dzheparov, A. Gul`ko, P. Heitjans, D. L`vov, A. Schirmer, V. Shestopal, S. Stepanov, S. Trostin (2001): Spin Dynamics and -NMR after Polarized Neutrons Capture,  Physica B 297, 288 (2001)

P. Heitjans, S. Indris (2001): Diffusion and Ionic Conduction in Nanocrystalline Ceramics,  Mat. Res. Soc. Symp. Proc. 676, Y6.6.1 (2001)

R. Winter, P. Heitjans (2001): Li+ Diffusion and its Structural Basis in the Nanocrystalline and Amorphous Forms of Two-Dimensionally Ion-Conducting LixTiS2,  J. Phys. Chem. B 105, 6108 (2001)

R. Winter, P. Heitjans (2001): Intergranular Structure of Nanocrystalline Layered LixTiS2 as Derived from 7Li NMR Spectroscopy,  J. Non-Cryst. Solids 293-295, 19 (2001)

S. Indris, P. Heitjans, H. E. Roman, A. Bunde (2001): Li Diffusion in Nano- and Microcrystalline (1-x)Li2O:xB2O3,  Defect and Diffusion Forum 194-199, 935 (2001)

C. H. Rüscher, E. Tobschall, P. Heitjans (2000): Amorphization of -LiBO2 by Ball Milling: Investigation by XRD, IR-Spectroscopy and DTA,  Applied Mineralogy, D. Rammlmair, J. Mederer, Th. Oberthür, R. B. Heimann, H. Pentinghaus, Eds. (Balkema Publishers, Rotterdam 2000) p. 221

P. Heitjans (2000): NMR and -NMR Relaxation by Diffusion in Interface-Dominated and Disordered Solids,  Schriften d. Forschungszentrums Jülich “Matter and Materials”, Bd. 3, pp. B12.1-22 (2000)

S. Indris, D. Bork, P. Heitjans (2000): Nanocrystalline Oxide Ceramics Prepared by High-Energy Ball Milling,  J. Mater. Synth. Process. 8, 245 (2000)

S. Indris, P. Heitjans (2000): Mechanochemical Preparation and Characterization of Nanocrystalline Ceramic Composites,  Mater. Sci. Forum 343-346, 417 (2000)

S. Indris, P. Heitjans, H. E. Roman, A. Bunde (2000): Nanocrystalline versus Microcrystalline Li2O:B2O3 Composites: Anomalous Ionic Conductivities and Percolation Theory,  Phys. Rev. Lett. 84, 2889 (2000)

W. Puin, S. Rodewald, R. Ramlau, P. Heitjans, J. Maier (2000): Local and Overall Ionic Conductivity in Nanocrystalline CaF2,  Solid State Ionics 131, 159 (2000)

E. Tobschall, P. Heitjans, Th. M. Gesing, C. H. Rüscher (1999): Mechanisch induzierte Amorphisierung von -LiBO2,  Z. Krist. Suppl. 16, 118 (1999)

R. Winter, P. Heitjans (1999): NMR Relaxation and Line Shape Study on Li+ Diffusion in Nanocrystalline Layer-Structured LixTiS2,  NanoStructured Materials 12, 883 (1999)

A. Schirmer, P. Heitjans, V.A. Nalimova (1998): Conduction-Electron Induced Spin-Lattice Relaxation of 8Li in the High-Pressure Phase LiC2,  Mol. Cryst. Liq. Cryst. 310, 291 (1998)

D. Bork, P. Heitjans (1998): NMR Relaxation Study of Ion Dynamics in Nanocrystalline and Polycrystalline LiNbO3,  J. Phys. Chem. B 102, 7303 (1998)

S. H. Chung, P. Heitjans, R. Winter, W. Bzducha, F. Florjanczyk, Y. Onoda (1998): Enhancement of Ionic Conductivity by the Addition of Plasticizers in Cationic Monoconducting Polymer Electrolytes,  Solid State Ionics 112, 135 (1998)

A. Schirmer, P. Heitjans, G. Majer, A. Seeger (1997): Diffusion-Induced -NMR Relaxation in Single-Crystal Lithium,  Defect and Diffusion Forum 143-147, 1317 (1997)

R. Winter, K. Siegmund, P. Heitjans (1997): Nuclear Magnetic and Conductivity Relaxations by Li Diffusion in Glassy and Crystalline LiAlSi4O10,  J. Non-Cryst. Solids 212, 215 (1997)

S. H. Chung, P. Heitjans, R. Winter, W. Bzducha, Z. Florjanczyk (1996): Dynamics of Lithium Ions in Monoconducting Polymer Electrolytes: A 7Li Spin-Lattice-Relaxation Study,  Ber. Bunsenges. Phys. Chem. 100, 1639 (1996)

A. Schirmer, P. Heitjans (1995): Diffusive Motion in Stage-1 and Stage-2 Li-Graphite Intercalation Compounds: Results of -NMR and Quasielastic Neutron Scattering,  Z. Naturforsch. 50a, 643 (1995)

P. Borgs, K. W. Kehr, P. Heitjans (1995): Longitudinal Spin Relaxation in Simple Stochastic Models for Disordered Systems,  Phys. Rev. B52, 6668 (1995)

W. Puin, P. Heitjans (1995): Frequency Dependent Ionic Conductivity in Nanocrystalline CaF2 Studied by Impedance Spectroscopy,  NanoStructured Materials 6, 885 (1995)

A. Schirmer, J. E. Fischer, P. Heitjans, H. J. Kim, A. Magerl, D. Vaknin, H. Zabel (1994): In-Plane Phonon Density of States of Li-Graphite Intercalation Compounds,  Mol. Cryst. Liq. Cryst. 244, 299 (1994)

D. Clausen, I. Burmester, P. Heitjans, A. Schirmer (1994): 7Li-NMR on -LiAl: Diffusion and Electronic Properties,  Solid State Ionics 70/71, 482 (1994)

F. Hilmer, A. Schirmer, H. Ackermann, P. Heitjans, H.-J. Stöckmann (1994): -Radiation Detected NMR in Solid and Liquid Neon,  Z. Naturforsch. 49a, 27 (1994)

W. Küchler, P. Heitjans, A. Payer, R. Schöllhorn (1994): 7Li-NMR Relaxation by Diffusion in Hexagonal and Cubic LixTiS2,  Solid State Ionics 70/71, 434 (1994)

H. Mattfeld, G. Balzer-Jöllenbeck, G. Meyer, P. Heitjans (1993): Lithium Ion Mobility in Lithium Intercalated Interstitially Stabilized Yttrium Monochloride, LiyYClZx (Z=H,C,O),  Solid State Ionics 62, 265 (1993)

W. Franke, P. Heitjans, B. Munro, M. Schrader (1993): Nuclear Spin-Lattice Relaxation and Impedance Spectroscopy of Glassy and Crystalline LiAlSi2O6,  Defects in Insulating Materials, O. Kanert, J.-M. Spaeth, Eds., (World Scientific, Singapore 1993) p. 1009

W. Puin, P. Heitjans, W. Dickenscheid, H. Gleiter (1993): NMR Study of Dynamic Processes in Nanocrystalline CaF2,  Defects in Insulating Materials, O. Kanert, J.-M. Spaeth, Eds., (World Scientific, Singapore 1993) p. 137

A. Schirmer, P. Heitjans, W. Faber, D. Clausen (1992): Diffusion-Induced Spin-Lattice Relaxation of 8Li in -LiAl,  Solid State Ionics 53-56, 426 (1992)

A. Schirmer, P. Heitjans, W. Faber, J. E. Fischer (1992): Diffusive Motion in LiC12 Studied by -NMR,  Materials Science Forum 91-93, 589 (1992)

B. Bader, P. Heitjans, H.-J. Stöckmann, H. Ackermann, W. Buttler, P. Freiländer, G. Kiese, C. van der Marel, A. Schirmer (1992): Li+ Diffusion in the Fast Ionic Conductor Li3N Investigated by -Radiation Detected NMR,  J. Phys.: Condens. Matter 4, 4779 (1992)

P. Heitjans (1992): Festkörperphysik und Materialforschung mit Nuklearen Methoden,  Phys. Bl. 48, 477 (1992)

W. Franke, P. Heitjans (1992): 7Li-NMR Study of Diffusion-Induced Spin-Lattice Relaxation in Glassy and Crystalline LiAlSi2O6,  Ber. Bunsenges. Phys. Chem. 96, 1674 (1992)

A. Schirmer, P. Heitjans, B. Bader, P. Freiländer, H.-J. Stöckmann, H. Ackermann (1991): -NMR Investigation of Dynamic and Structural Properties of Lithium Borate Glass,  J. Phys.: Condens. Matter 3, 4323 (1991)

P. Borgs, K. W. Kehr. P. Heitjans (1991): Longitudinal Spin Relaxation in the Random-Two-Frequency Model,  Phys. Lett. A155, 429 (1991)

P. Heitjans, W. Faber, A. Schirmer (1991): -NMR Studies of Spin-Lattice Relaxation in Glassy and Layer-Crystalline Compounds,  J. Non-Cryst. Solids 131-133, 1053 (1991)

A. Schirmer, P. Heitjans, W. Faber, F. J. Samuel (1990): Neutron Beam Separation with a Macrobender,  Meas. Sci. Technol. 1, 654 (1990)

W. Faber, B. Bader, P. Heitjans, A. Schirmer (1990): On the Use of a Gradient Resonance Neutron Spin Flipper,  Nucl. Instr. Meth. Phys. Res. A 294, 241 (1990)

A. Schirmer, P. Heitjans, W. Faber, J. E. Fischer (1989): Spin-Lattice Relaxation of 8Li in LiC12 at Low Temperatures,  Synthetic Metals 34, 589 (1989)

W. Faber, P. Heitjans, A. Schirmer (1989): -NMR on LiCl7D2O in the Glassy and the Liquid State,  Dynamics of Disordered Materials, D. Richter, A. J. Dianoux, W. Petry, J. Teixeira, Eds., Springer Proceedings in Physics, Vol. 37 (Springer, Berlin, Heidelberg 1989) p. 69

A. Schirmer, P. Heitjans, H. Ackermann, B. Bader, P. Freiländer, H.-J. Stöckmann (1988): Spin-Lattice Relaxation in Lithium-Borate Glass Studied by -Radiation Detected NMR,  Solid State Ionics 28-30, 717 (1988)

C. van der Marel, P. Heitjans, B. Bader, P. Freiländer, A. Schirmer, W. Freyland (1988): NMR and Magnetic Susceptibility Measurements on Liquid Lithium up to High Temperatures,  Z. Phys. Chem. NF 157, 593 (1988)

C. van der Marel, P. Heitjans, H. Ackermann, B. Bader, P. Freiländer, A. Schirmer, H.-J. Stöckmann (1988): Nuclear Spin-Lattice Relaxation in Liquid Lithium-Germanium Alloys,  Z. Phys. Chem. NF 156, 629 (1988)

M. Mali, J. Roos, M. Sonderegger, D. Brinkmann, P. Heitjans (1988): 6Li and 7Li Diffusion Coefficients in Solid Lithium Measured by the NMR Pulsed Field Gradient Technique,  J. Phys. F: Met. Phys. 18, 403 (1988)

P. Heitjans (1988): Application of Beta-NMR to the Study of Graphite Intercalation Compounds,  Synthetic Metals 23, 257 (1988)

E. Jäger, B. Ittermann, H.-J. Stöckmann, K. Bürkmann, B. Fischer, H.-P. Frank, G. Sulzer, H. Ackermann, P. Heitjans (1987): Lattice Location of 12B in Al and Cu Single Crystals Determined by Cross Relaxation,  Phys. Lett. 123A, 39 (1987)

P. Freiländer, P. Heitjans, H. Ackermann, B. Bader, G. Kiese, A. Schirmer, H.-J. Stöckmann, C. van der Marel, A. Magerl, H. Zabel (1987): Diffusion Processes in LiC6 Studied by -NMR,  Z. Phys. Chem. NF 151, 93 (1987)

P. Freiländer, P. Heitjans, H. Ackermann, B. Bader, G. Kiese, A. Schirmer, H.-J. Stöckmann (1986): -NMR Study of the Electric Field Gradient in the Metallic Intercalation Compound LiC6,  Z. Naturforsch. 41a, 109 (1986)

P. Heitjans (1986): Use of Beta Radiation-Detected NMR to Study Ionic Motion in Solids,  Solid State Ionics 18/19, 50 (1986)

W. Faber, E. Jäger, B. Ittermann, H. Ackermann, P. Heitjans, H.-J. Stöckmann (1986): Improved Titled-Foil Polarization Technique for Use in -Radiation Detected Nuclear Magnetic Resonance,  Nucl. Instr. Meth. B16, 439 (1986)

A. Körblein, P. Heitjans, H.-J. Stöckmann, F. Fujara, H. Ackermann, W. Buttler, K. Dörr, H. Grupp (1985): Diffusion Processes in Solid Li-Mg and Li-Ag Alloys and the Spin-Lattice Relaxation of 8Li,  J. Phys. F: Met. Phys. 15, 561 (1985)

B. Bader, P. Heitjans, H. Ackermann, P. Freiländer, G. Kiese, A. Schirmer, H.-J. Stöckmann, C. van der Marel (1985): -Radiation Detected Li-Diffusion in the Fast Ionic Conductor Li3N,  Ann. Physik (Leipzig) 42, 169 (1985)

H. Ackermann, P. Heitjans, H.-J. Stöckmann (1985): Radiation Defects and Spin-Lattice Relaxation Studied with Neutron-Activated  Emitters,  Hyperfine Interact. 24/26, 395 (1985)

P. Heitjans, A. Körblein, H. Ackermann, D. Dubbers, F. Fujara, H.-J. Stöckmann (1985): Self-Diffusion in Solid Lithium Probed by Spin-Lattice Relaxation of 8Li Nuclei,  J. Phys. F: Met. Phys. 15, 41 (1985)

C. van der Marel, P. Heitjans, H. Ackermann, B. Bader, P. Freiländer, G. Kiese, H.-J. Stöckmann (1984): 8Li Spin-Lattice Relaxation in Liquid Li-Sn and Li-Si Alloys,  J. Non-Cryst. Solids 61/62, 213 (1984)

H.-J. Stöckmann, P. Heitjans (1984): Low-Temperature Nuclear Spin-Lattice Relaxation in Glasses – Homogeneous and Inhomogeneous Averaging,  J. Non-Cryst. Solids 66, 501 (1984)

B. Bader, P. Heitjans, H. Ackermann, P. Freiländer, F. Fujara, G. Kiese, H.-J. Stöckmann, C. van der Marel (1983): -NMR on 8Li in the Superionic Conductor Li3N,  Hyperfine Interact. 16, 593 (1983)

H.-J. Stöckmann, K. Dörr, H. Ackermann, B. Bader, W. Buttler, P. Freiländer, H. Grupp, P. Heitjans, G. Kiese (1983): Annealing of (n,) Induced Point Defects in the Silver Halides,  Radiation Effects 73, 95 (1983)

P. Heitjans, B. Bader, H.-J. Stöckmann, K. Dörr, G. Kiese, H. Ackermann, P. Freiländer, W. Müller-Warmuth, K. Meise-Gresch (1983): Low Temperature Spin-Lattice Relaxation of 8Li in the Glass Li2O 2SiO2,  Hyperfine Interact. 16, 597 (1983)

P. Heitjans, G. Kiese, C. van der Marel, H. Ackermann, B. Bader, P. Freiländer, H.-J. Stöckmann (1983): 8Li Spin Relaxation in Liquid Li Alloys with Compound-Forming Tendency,  Hyperfine Interact. 16, 569 (1983)

H. Ackermann, B. Bader, P. Freiländer, P. Heitjans, G. Kiese, H.-J. Stöckmann, C. van der Marel (1982): In-Beam Nuclear Magnetic Resonance of -Active Nuclei Produced by Capture of Polarized Neutrons – Some New Applications,  J. Phys. Colloques 43, C7-305 (1982) Journal de Physique Colloques, 1982, 43 (C7), pp.C7-305-C7-308

H. Grupp, H. Ackermann, W. Buttler, K. Dörr, P. Heitjans, H.-J. Stöckmann (1982): The Quadrupole Moment of 116In Determined from the Spin-Lattice Relaxation in In III-Compounds,  Nucl. Phys. A386, 56 (1982)

H. Grupp, K. Dörr, H.-J. Stöckmann, H. Ackermann, B. Bader, W. Buttler, P. Heitjans, G. Kiese (1982): (n,)-Induced Point Defects in InP and InSb Studied by -Radiation Detected Nuclear Magnetic Resonance,  Z. Phys. B47, 1 (1982)

K. Dörr, H.-J. Stöckmann, H. Ackermann, B. Bader, W. Buttler, P. Freiländer, H. Grupp, P. Heitjans, G. Kiese (1982): Structure and Annealing of Cation Frenkel Defects in Silver Halides after Irradiation with Thermal Neutrons,  J. Phys. C15, 4437 (1982)

P. Heitjans, B. Bader, K. Dörr, H.-J. Stöckmann, G. Kiese, H. Ackermann, P. Freiländer, W. Müller-Warmuth (1982): Nuclear Spin-Lattice Relaxation in a Lithium-Silicate Glass,  J. Phys. Colloques 43, C9-143 (1982) Journal de Physique Colloques, 1982, 43 (C9), pp.C9-143-C9-147

W. Buttler, H.-J. Stöckmann, H. Ackermann, K. Dörr, F. Fujara, H. Grupp, P. Heitjans, G. Kiese, A. Körblein, D. Dubbers (1982): Point Defects in Alkaline-Earth Fluorides after Thermal Neutron Irradiation,  Z. Phys. B45, 273 (1982)

H. Grupp, K. Dörr, H.-J. Stöckmann, H. Ackermann, B. Bader, W. Buttler, P. Heitjans, G. Kiese, H. Lauter (1981): Spin-Lattice Relaxation of 116In in InP and InSb in the Presence of (n,)-Induced Point Defects,  Hyperfine Interactions 10, 765 (1981)

K. Dörr, H.-J. Stöckmann, B. Bader, P. Freiländer, H. Grupp, H. Ackermann, W. Buttler, P. Heitjans, G. Kiese (1981): (n,)-Induced Point Defects in Silver Halides,  Hyperfine Interactions 10, 727 (1981)

F. Fujara, H.-J. Stöckmann, H. Ackermann, W. Buttler. K. Dörr, H. Grupp, P. Heitjans, G. Kiese, A. Körblein (1980): Cross-Relaxation Processes of Polarized -Active Nuclei in Various Crystalline Solids,  Z. Phys. B37, 151 (1980)

H. Estrade, J. Conrad, P. Lauginie, P. Heitjans, F. Fujara, W. Buttler, G. Kiese, H. Ackermann, D. Guerard (1980): Nuclear Relaxation Times of Li in Li-Graphitides,  Physica 99B, 531 (1980)

H. Ruppersberg, J. Saar, W. Speicher, P. Heitjans (1980): Density, Compressibility, Specific Heat and Diffraction Data of Lithium-Magnesium Alloys,  J. Phys. Colloques 41, C8-595 (1980) Journal de Physique Colloques, 1980, 41 (C8), pp.C8-595-C8-598

P. Heitjans, A. Coker, T. Lee, T. P. Das (1980): Theory of Temperature Dependence of Knight Shifts and Spin-Lattice Relaxation Times in Liquid Lithium and Sodium,  J. Phys. Colloques 41, C8-403 (1980) Journal de Physique Colloques, 1980, 41 (C8), pp.C8-403-C8-407

P. Heitjans, G. Kiese, H. Ackermann, B. Bader, W. Buttler, K. Dörr, F. Fujara, H. Grupp, A. Körblein, H.-J. Stöckmann (1980): Nuclear Spin-Lattice Relaxation in Liquid Li-Na, Li-Mg and Li-Pb Alloys,  J. Phys. Colloques 41, C8-409 (1980) Journal de Physique Colloques, 1980, 41 (C8), pp.C8-409-C8-413

P. Heitjans, H. Grupp, W. Buttler, F. Fujara, H. Ackermann, K. Dörr, G. Kiese, A. Körblein, H.-J. Stöckmann (1980): Beta-Decay Asymmetry and Nuclear Magnetic Moment of 24Nam (T1/2 = 20ms),  Phys. Lett. 94B, 28 (1980)

W. Buttler, H.-J. Stöckmann, F. Fujara, P. Heitjans, G. Kiese, H. Ackermann, B. Bader, K. Dörr, H. Grupp, H. Lauter (1980): Radiation Induced Point Defects in CaF2, SrF2, BaF2 and MgF2,  J. Phys. Colloques 41, C6-381 (1980) Journal de Physique Colloques, 1980, 41 (C6), pp.C6-381-C6-384

A. Winnacker, D. Dubbers, F. Fujara, K. Dörr, H. Ackermann, H. Grupp, P. Heitjans, A. Körblein, H.-J. Stöckmann (1978): Very Narrow Nuclear Magnetic Resonance Lines of 8Li (T1/2 = 0.84s) in Solids by Double Frequency Irradiation, and the Hyperfine Structure Anomaly 7Li-8Li,  Phys. Lett. 67A, 423 (1978)

D. Dubbers, H. Ackermann, F. Fujara, M. Grupp, H. Grupp, P. Heitjans, A. Körblein, H.-J. Stöckmann (1978): Fano`s Generalized Spin Precession Equation, and the Determination of the Sign of the Electric Quadrupole Interaction,  Hyperfine Interactions 4, 947 (1978)

H.-J. Stöckmann, D. Dubbers, M. Grupp, H. Grupp, H. Ackermann, P. Heitjans (1978): Structure and Annealing of (n,)-Induced Point Defects in CaF2,  Z. Phys. B30, 19 (1978)

H.-J. Stöckmann, H. Ackermann, D. Dubbers, F. Fujara, M. Grupp, P. Heitjans, A. Körblein (1978): Determination of the Nuclear Moments of 28Al by -Ray Detected NMR in a Sapphire Single Crystal,  Hyperfine Interactions 4, 170 (1978)

D. Dubbers, K. Dörr, H. Ackermann, F. Fujara, H. Grupp, M. Grupp, P. Heitjans, A. Körblein, H.-J. Stöckmann (1977): Multiple Quantum NMR Transitions of 8Li (T1/2 = 0.84s) in Single Crystals and Powders of LiTaO3, and the Quadrupole Moment of 8Li,  Z. Phys. A282, 243 (1977)

P. Heitjans, H. Ackermann, D. Dubbers, M. Grupp, H.-J. Stöckmann (1977): Spin-Lattice Relaxation of the -Emitter 8Li in Liquid 7Li,  Inst. Phys. Conf. Ser. 30, 607 (1977)

A. Winnacker, H. Ackermann, D. Dubbers, M. Grupp, P. Heitjans, H.-J. Stöckmann (1976): Nuclear Moments of the -Emitters 108Ag and 110Ag,  Nucl. Phys. A261, 261 (1976)

D. Dubbers, H. Ackermann, H. Grupp, M. Grupp, P. Heitjans, H.-J. Stöckmann (1976): Structure of (n,) Induced Lattice Defects in CaF2, Investigated by NMR on 20F,  Hyperfine Interactions 2, 374 (1976)

D. Dubbers, H. Ackermann, M. Grupp, P. Heitjans, H.-J. Stöckmann (1976): Sign of Nuclear Electric Quadrupole Coupling Constants in Solids from -Ray Anisotropy Measurements after Capture of Polarized Neutrons,  Z. Phys. B25, 363 (1976)

H. Ackermann, D. Dubbers, M. Grupp, P. Heitjans, H.-J. Stöckmann, K.-P. Wanczek, K. Recker, R. Leckebusch (1976): Electric Quadrupole Interaction of 20F in a KZnF3 Single Crystal,  Z. Naturforsch. 31a, 1298 (1976)

H.-J. Stöckmann, H. Ackermann, D. Dubbers, H. Grupp, M. Grupp, P. Heitjans (1976): The Annealing of Point Defects in CaF2,  Hyperfine Interactions 2, 376 (1976)

M. Grupp, H. Ackermann, D. Dubbers, H. Grupp, P. Heitjans, H.-J. Stöckmann (1976): Defects after Neutron Capture and Intrinsic Fluorine Self-Diffusion in CaF2,  J. Phys. Colloques 37, C7-538 (1976) Journal de Physique Colloques, 1976, 37 (C7), pp.C7-538-C7-539

H. Ackermann, D. Dubbers, H. Grupp, M. Grupp, P. Heitjans, H.-J. Stöckmann (1975): Point Defects in CaF2 Following the 19F(n,)20F Process,  Phys. Lett. 54A, 399 (1975)

H. Ackermann, D. Dubbers, M. Grupp, P. Heitjans, H.-J. Stöckmann, A. Winnacker, P. v. Blanckenhagen (1975): Nuclear Magnetic Resonance of Neutron-Activated Short-Lived Nuclei: A Method to Study (n,)-Induced Lattice Defects,  Inst. Phys. Conf. Ser. 23, 579 (1975)

H. Ackermann, D. Dubbers, M. Grupp, P. Heitjans, R. Messer, H.-J. Stöckmann (1975): Self-Diffusion in 7Li Metal and Spin-Lattice Relaxation of 8Li Nuclei,  Phys. Stat. Sol. (b) 71, K91 (1975)

H. Ackermann, D. Dubbers, M. Grupp, P. Heitjans, H.-J. Stöckmann (1974): Nuclear Magnetic Resonance of 8Li in LiNbO3 and the Quadrupole Moment of 8Li,  Phys. Lett. 52B, 54 (1974)

H.-J. Stöckmann, H. Ackermann, D. Dubbers, M. Grupp, P. Heitjans (1974): Elektrische Quadrupolwechselwirkungen von 20F im MgF2-Einkristall,  Z. Phys. 269, 47 (1974)

H. Ackermann, D. Dubbers, M. Grupp, P. Heitjans, G. zu Putlitz, H.-J. Stöckmann (1973): Nuclear Electric Quadrupole Moment of the -Emitter 20F,  J. Phys. Soc. Jap. 34 Suppl., 215 (1973)

J. Mertens, H. Ackermann, D. Dubbers, P. Heitjans, A. Winnacker, P. v. Blanckenhagen (1973): Relaxation and Desorientation of 110Ag (T1/2 = 24.4s) Nuclei Produced by Capture of Polarized Neutrons in the Silver Halides,  Z. Phys. 262, 189 (1973)

H. Ackermann, D. Dubbers, M. Grupp, P. Heitjans, G. zu Putlitz, H.-J. Stöckmann (1972): Static Electric Quadrupole Interaction of the -Emitter 20F Produced by Capture of Polarized Neutrons in MgF2 Single Crystals,  Phys. Lett. 41B, 143 (1972), Erratum 44B, 257 (1973)

P. Heitjans, A. Schirmer (1999): Neutron Activation -NMR: Application to Solids,  Proc. First Moscow Intern. ITEP School of Physics, Yu G. Abov, A. L. Suvorov, V. G. Firsov, Eds. (Uspekhi Fizicheskikh Nauk, Moscow 1999), p. 161

R. Kappes, G. Balzer, H. Behrens, P. Heitjans (1998): Spin-Lattice Relaxation of 7Li and 1H in Hydrous Silicate Glasses,  Proc. Joint 29th Ampere-13th Ismar Intern. Conf. Magnetic Resonance and Related Phenomena, D. Ziessow, W. Lubitz, F. Lendzian, Eds. (Technische Universität Berlin 1998), p. 708

A. Schirmer, P. Heitjans (1996): Spin-Lattice Relaxation of 8Li in a Lithium Single Crystal: The Low-Frequency Limit,  XXVIIIth Congress Ampere on Magnetic Resonance and Related Phenomena, M. E. Smith, J. H. Strange, Eds. (University of Kent, Canterbury 1996), p. 416

D. Bork, P. Heitjans (1996): Nano- versus Polycrystalline LiNbO3: A 7Li-NMR Lineshape Study,  XXVIIIth Congress Ampere on Magnetic Resonance and Related Phenomena, M. E. Smith, J. H. Strange, Eds. (University of Kent, Canterbury 1996), p. 418

P. Heitjans (1996): Diffusive Motion in Interface-Dominated and Disordered Materials,  XXVIIIth Congress Ampere on Magnetic Resonance and Related Phenomena, M. E. Smith, J. H. Strange, Eds. (University of Kent, Canterbury 1996), p. 128

W. Küchler, P. Heitjans, D. Clausen, A. Payer, R. Schöllhorn (1990): Spin-Lattice Relaxation of 7Li in Hexagonal and Cubic LixTiS2,  XXVth Congress Ampere on Magnetic Resonance and Related Phenomena, M. Mehring, J. U. von Schütz, H. C. Wolf, Eds., (Springer-Verlag, Berlin, Heidelberg, New York 1990) p. 217

F. Fujara, H. Ackermann, W. Buttler, K. Dörr, D. Dubbers, H. Grupp, P. Heitjans, G. Kiese, A. Körblein, H.-J. Stöckmann (1978): Cross-Relaxation Processes in Nuclear Radiation Detected NMR,  XXth Congress Ampere on Magnetic Resonance and Related Phenomena (1978), p. 442

P. Heitjans, A. Koerblein, H. Ackermann, D. Dubbers, F. Fujara, M. Grupp, H.-J. Stöckmann (1976): Spin-Lattice Relaxation of the -Emitter 8Li in Solid 7Li-Mg Alloys,  XIXth Congress Ampere on Magnetic Resonance and Related Phenomena H. Brunner, K. H. Hausser, D. Schweitzer, Eds. (Groupement Ampere, Heidelberg – Geneva 1976) p.281

B. Stanje, P. Bottke, S. Breuer, I. Hanzu, P. Heitjans, M. Wilkening (2018): Ion Dynamics in a New Class of Materials: Nanoglassy Lithium Aluminosilicates,  Mater. Res. Express 5, 035202 (2018)
DOI: 10.1088/2053-1591/aab520

P.P. Fedorov, S.N. Ushakov, М.А. Uslamina, E.V. Chernova, S.V. Kuznetsov, V.V. Voronov, A. Düvel, P. Heitjans, А.А. Pynenkov, К.N. Nishchev, V.V. Osiko (2018): Morphological Stability of Solid-Liquid Interface during Melt Crystallization of Ca1-xSrxF2 Solid Solution,  Crystallography Reports 63, 837–843 (2018)
DOI: 10.1134/S1063774518050103

V. Šepelák, I. Bergmann, S. Indris, A. Feldhoff, P. Heitjans, K.D. Becker (2010): Mechanically Induced Changes in Local Structure of Spinel Oxides Studied by Spectroscopic Methods,  Experimental and Theoretical Studies in Modern Mechanochemistry F. Delogu, G. Mulas, Eds., (Transworld Research Network, Kerala 2010) pp. 191-206
ISBN: 978-81-7895-454-7

P. Heitjans, S. Indris, M. Wilkening (2008): Dynamical Aspects of Nanocrystalline Ion Conductors Studied by NMR,  Nanocomposites Ionic Conducting Materials and Structural Spectroscopies, P. Knauth, J. Schoonman, Eds. (Springer, Berlin 2008) pp. 227 - 246

P. Heitjans, A. Schirmer, S. Indris (2005): NMR and -NMR Studies of Diffusion in Interface-Dominated and Disordered Solids,  In Diffusion in Condensed Matter – Methods, Materials, Models, P. Heitjans, J. Kärger, Eds. (Springer, Berlin, 2005) pp. 367-415

P. Heitjans, S. Indris, M. Wilkening (2005): Solid-State Diffusion and NMR,  Diffusion Fundamentals, J. Kärger, F. Grinberg, P. Heitjans, Eds. (Leipziger Universitätsverlag, Leipzig 2005) pp. 226-245 Or: Diffusion Fundamentals 2, 45 (2005)

P. Heitjans, A. Schirmer (1998): NMR and -NMR Relaxation in Interface-Dominated and Disordered Solids,  Diffusion in Condensed Matter, J. Kärger, P. Heitjans, R. Haberlandt, Eds., (Springer, Berlin 1998), p. 116-143

H. J. Kim, A. Magerl, J. E. Fischer, D. Vaknin, P. Heitjans, A. Schirmer (1993): Lithium Diffusion in Stage 2 Li-Graphite Intercalation Compounds Studied with Quasielastic Neutron Scattering,  Chemical Physics of Intercalation II, P. Bernier, J. E. Fischer, S. Roth, St. A. Solin, Eds., NATO ASI Series B, Physics, Vol. 305, (Plenum Press, New York 1993), p. 355

A. Schirmer, P. Heitjans (1992): Alkali-Oxide Glasses Probed by -Radiation Detected NMR,  The Physics of Non-Crystalline Solids, L. D. Pye, W. C. La Course, H. J. Stevens, Eds., (Taylor & Francis, London 1992) p. 59

H. Ackermann, P. Heitjans, H.-J. Stöckmann (1983): -Emitters and Isomeric Nuclei as Probes in Condensed Matter,  Topics in Current Physics, Vol. 31, J. Christiansen, Ed. (Springer, Berlin, Heidelberg, New York, Tokyo 1983), p. 291-361

G. Kiese, P. Heitjans, H. Ackermann, B. Bader, W. Buttler, P. Freiländer, C. van der Marel, H. Ruppersberg, H.-J. Stöckmann (1982): 8Li Spin-Lattice Relaxation in the Liquid Alloys Li-Bi and Li-Pb,  Ionic Liquids, Molten Salts, and Polyelectrolytes, K.-H. Bennemann, F. Brouers, D. Quitmann, Eds., Lect. Notes in Phys., Vol. 172 (Springer, Berlin, Heidelberg, New York 1982), p. 117

H.-J. Stöckmann, P. Heitjans, H. Ackermann (1980): Internal Fields, Defects, and Motions, Studied by Nuclear Methods,  Festkörperprobleme (Advances in Solid State Physics), Vol. XX, J. Treusch, Ed., (Vieweg, Braunschweig 1980), p. 19-42

B. Munro, M. Schrader, P. Heitjans (1992): Impedance Studies of Glassy and Crystalline Lithium Aluminosilicate Compounds,  Ber. Bunsenges. Phys. Chem. 96, 1718 (1992)