Publications before 2015


(72.) Order vs disorder – huge increase of Li conductivity in nanocrystalline LiAlO2 embedded in an amorphous-like matrix of lithium aluminate, D. Wohlmuth, V. Epp, P. Bottke, I. Hanzu, B. Bitschnau, I. Letovsky-Papst, M. Kriechbaum, H. Amenitsch, F. Hofer, M. Wilkening, J. Mater. Chem. A 2 (2014) 20295.

(71.)  Lithium Distribution in Monocrystalline Silicon-based Lithium-Ion Batteries, R. Janski, M. Fugger, M. Sternad, M. Wilkening, ECS Trans. 62 (2014) 247.

(70.)  Enhancing Photoinduced Electron Transfer Efficiency of Fluorescent pH-probes with Halogenated Phenols, D. Aigner, S. Freunberger, M. Wilkening, R. Saf, S. Borisov, I. Klimant, Anal. Chem. 86 (2014) 9293.

(69.) Short-range Li diffusion vs long-range ionic transport in nanocrystalline lithium peroxide Li2O2 — the discharge product in lithium-air batteries, A. Dunst, V. Epp, I. Hanzu, S. Freunberger, M. Wilkening, Energy Environ. Sci. 7 (2014) 2739.

(68.)  Evidence of low-dimenional ion transport in mechanosynthesized, nanocrystalline BaMgF4, F. Preishuber-Pflügl, M. Wilkening, Dalton Transact. 43 (2014) 9901.

(67.) "Ionic liquids-in-salt" - A promising concept to design electrolytes for high-temperature lithium batteries, M. J. Marczewski, B. Stanje, I. Hanzu, M. Wilkening, P. Johansson, Phys. Chem. Chem. Phys. 16 (2014) 12341.

(66.) Novel amino propyl substituted organo tin compounds, J. Pichler, A. Torvisco, P. Bottke, M. Wilkening, F. Uhlig, Can. J. Chem. 92 (2014) 565.

(65.) Correlated F diffusion and ionic conduction in the nanocrystalline solid electrolyte Ba0.6La0.4F2.4  - 19F T1rho NMR relaxation vs conductivity spectroscopy, F. Preishuber-Pflügl, P. Bottke, V. Pregartner, B. Bitschnau, and M. Wilkening, Phys. Chem. Chem. Phys. 16 (2014) 9580.

(64.)  A DFT study of the role of Al3+ in the fast ion-conductor Li7-3xAl3+xLa3Zr2O12 garnet, D. Rettenwander, P. Blaha, R. Laskowski, K.-H. Schwarz, P. Bottke, M. Wilkening, C. A. Geiger, and G. Amthauer, Chem. Mater. 26 (2014) 2617.

(63.)  Li ion dynamics in TiO2 anodes with an ordered hierarchical pore structure: Insights from ex situ Li NMR spectroscopy, P. Bottke, Y. Ren, I. Hanzu, P.G. Bruce, M. Wilkening, Phys. Chem. Chem. Phys. 16 (2014) 1894.


(62.)  Li+ motions in nano-engineered LiBH4 and LiBH4:Al2O3 – comparisons with the microcrystalline form, V. Epp, M. Wilkening, ChemPhysChem, 14 (2013) 3706.

(61.)  Li motion in the anode material LiC6 as seen via time-domain 7Li NMR, J. Langer, V. Epp, P. Heitjans, F. A. Mautner, M. Wilkening, Phys. Rev. B 88 (2013) 094304.

(60.)  Highly Mobile Ions: Low Temperature NMR Directly Probes Extremely Fast Li+ Hopping in Argyrodite-type Li6PSe5Br, V. Epp, O. Gün, H.-J. Deiseroth, M. Wilkening, J. Phys. Chem. Lett., 4 (2013) 2118.

(59.)  Two-dimensional diffusion in Li0.7NbS2 as directly probed by frequency-dependent 7Li NMR , V. Epp, S. Nakhal, M. Lerch, M. Wilkening, J. Phys.: Condens. Matter 25 (2013) 195402.

(58.)  Long-range Li dynamics in the lithium argyrodite Li7PSe6 as probed by rotating-frame spin-lattice relaxation NMR, V. Epp, O. Gün, H.-J. Deiseroth, M. Wilkening, Phys. Chem. Chem. Phys. 15 (2013) 7123.

(57.)  Ultraslow Li exchange processes in diamagnetic Li2ZrO3 studied by 2D EXSY NMR, P. Bottke, D. Freude, M. Wilkening, J. Phys. Chem. C 117 (2013) 8114.

(56.)  Towards a lattice-matching solid-state battery: synthesis of a new class of lithium-ion conductors with the spinel structure, F. Rosciano, P. P. Pescarmona, K. Houthoofd, A. Persoons, P. Bottke, M. Wilkening, Phys. Chem. Chem. Phys. 15 (2013) 6170.

(55.)  Mechanochemical reactions and syntheses of oxides, V. Šepelák, A. Düvel, M. Wilkening, K. D. Becker, P. Heitjans, Chem. Soc. Rev. 42 (2013) 7507.

(54.)  Low-temperature synthesis, characterization and stability of spinel-type Li2NiF4 and solid-solutions Li2Ni1-xCoxF4, J. Kohl, S. Nakhal, N. Ferro, P. Bottke, M. Wilkening, T. Bredow, P. Heitjans, M. Lerch, Z. Allg. Anorg. Chem. 639 (2013) 326.


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

(...)  Extremely slow Li dynamics in monoclinic metatitanate Li2TiO3 — probing macroscopic jump diffusion via 7Li NMR stimulated echoes, B. Ruprecht, M. Wilkening, R. Uecker, P. Heitjans, Phys. Chem. Chem. Phys. 14 (2012) 11974.

Mechanosynthesis of solid electrolytes for lithium-ion batteries — Li ion transport properties of garnet-type Al-doped Li7La3Zr2O12, A. Düvel, A. Kuhn, L. Robben, M. Wilkening, P. Heitjans, J. Phys. Chem. C 116 (2012) 15192.

Synthesis of ternary transition metal fluorides Li3MF6 via a sol-gel route as candidates for cathode materials in lithium-ion batteries, J. Kohl, D. Wiedemann, S. Nakhal, P. Bottke, N. Ferro, T. Bredow, E. Kemnitz, M. Wilkening, P. Heitjans, M. Lerch, J. Mater Chem. 22 (2012) 15819.

Studying Li ion dynamics in a gas-phase synthesized amorphous oxide by NMR and impedance spectroscopy, V. Epp, C. Brüning, M. Binnewies, P. Heitjans, M. Wilkening, Z. Phys. Chem. 226 (2012) 513.

Li ion dynamics in Al-doped garnet-type Li7La3Zr2O12 crystallizing with cubic symmetry, A. Kuhn, S.-Y. Choi, L. Robben, F. Tietz, M. Wilkening, P. Heitjans, Z. Phys. Chem. 226 (2012) 525.

Macroscopic and microscopic Li transport parameters in cubic garnet-type Li6.5La2.5Ba0.5ZrTaO12 as probed by NMR and impedance spectroscopy, S. Narayanan, V. Epp, M. Wilkening, V. Thangadurai, RSC Adv. 2 (2012) 2553.

From Micro to Macro: Access to Long-Range Li+ Diffusion Parameters in Solids via Microscopic 6,7Li Spin-Alignment Echo NMR M. Wilkening, P. Heitjans, Chem. Phys. Chem. 13 (2012) 53.

NMR relaxometry as a versatile tool to study Li dynamics in potential battery materials, A. Kuhn, M. Wilkening, P. Heitjans, Solid State Nucl. Magn. Reson. 42 (2012) 2.

Spin-Alignment Echo NMR: Probing Li+ hopping motion in the solid electrolyte Li7La3Zr2O12 with garnet-type tetragonal structure, A. Kuhn, V. Epp, G. Schmidt, S. Narayanan, V. Thangadurai, M. Wilkening, J. Phys.: Condens. Matter. 24 (2012) 035901.


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, A. Düvel, B. Ruprecht, Paul Heitjans, and M. Wilkening, J. Phys. Chem. C 115 (2011) 23784.

Mechanically induced phase transformation of gamma-Al2O3 into α-Al2O3 — Access to structurally disordered gamma-Al2O3 with a controllable amount of penta-coordinated Al sites, A. Düvel, E. Romanova, M. Sharifi, D. Freude, M. Wark, P. Heitjans, and M. Wilkening, J. Phys. Chem. C 115 (2011) 22770.

Structure and dynamics of the fast lithium ion conductor "Li7La3Zr2O12", H. Buschmann, J. Dölle, S. Berendts, A. Kuhn, P. Bottke, M. Wilkening, P. Heitjans, A. Senyshyn, H. Ehrenberg, A. Lottnyk, V. Duppel, L. Kienle, J. Janek, Phys. Chem. Chem. Phys. 13 (2011) 19378.

Li NMR spectroscopy on crystalline Li12Si7: experimental evidence for aromaticity of the planar cyclopentadienyl-analogous Si-rings, A. Kuhn. P. Sreeraj, R. Pöttgen, H.-D. Wiemhöfer, M. Wilkening, P. Heitjans, Angew. Chem. Intern. Ed. 50 (2011) 12099.

Access to metastable complex ion conductors via mechanosynthesis: Preparation, microstructure and conductivity of (Ba,Sr)LiF3 with inverse perovskite structure, A. Düvel, S. Wegner, K. Efimov, A. Feldhoff, P. Heitjans, M. Wilkening, J. Mater. Chem. 21 (2011) 6238.

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, A. Kuhn, P. Sreeraj, R. Pöttgen, H.-D. Wiemhöfer, M. Wilkening, P. Heitjans, J. Am. Chem. Soc. 113 (2011) 11018.

Mechanosynthesized BiFeO3 Nanoparticles with Highly Reactive Surface and Enhanced Magnetization, K. L. Da Silva, D. Menzel, A. Feldhoff, C. Kübel, M. Bruns, A. Paesano, A. Düvel., M. Wilkening, M. Ghafari, H. Hahn, F. J. Litterst, P. Heitjans, K. D. Becker, V. Sepelak, J. Phys. Chem. C 115 (2011) 7209.

Li self-diffusion in garnet-type Li7La3Zr2O12 as probed directly by diffusion-induced 7Li spin-lattice relaxation NMR spectroscopy, A. Kuhn, S. Narayanan, L. Spencer, G. Goward, V. Thangadurai, M. Wilkening, Phys. Rev. B. 83 (2011) 094302.   

Ion conduction and dynamics in mechanosynthesized nanocrystalline BaLiF3, A. Düvel, M. Wilkening, S. Wegner, A. Feldhoff, V. Sepelak, P. Heitjans, Solid State Ion. 184 (2011) 65.


Time-Resolved and Site-Specific Insights into Migration Pathways of Li+ in α-Li3VF6 by 6Li 2D Exchange MAS NMR, M. Wilkening, E. Romanova, S. Nakhal, D. Weber, M. Lerch, P. Heitjans, J. Phys. Chem C 114 (2010) 19083.

Mechanosynthesized nanocrystalline BaLiF3: The impact of grain boundaries and structural disorder on ionic transport, A. Düvel, M. Wilkening, R. Uecker, A. Feldhoff, P. Heitjans, Phys. Chem. Chem. Phys. 12 (2010) 11521.

Proton Conductivity of Ordered Mesoporous Materials Containing Aluminium, M. Sharifi, R. Marschall, M. Wilkening, M. Wark, J. Power Sources 195 (2010) 7781.

Fast Li diffusion in crystalline LiBH4 due to reduced dimensionality: Frequency-dependent NMR spectroscopy, V. Epp and M. Wilkening, Phys. Rev. B 82 (2010) 020301.

Ultra-slow Li ion dynamics in Li2C2 – On the similarities of results from 7Li spin-alignment echo NMR and impedance spectroscopy, B. Ruprecht, H. Billetter, U. Ruschewitz, M. Wilkening, J. Phys.: Condens. Matter 22 (2010) 245901.


Li intercalation and anion/cation substitution of transition metal chalcogenides: effects on crystal structure, microstructure, magnetic properties and Li ion mobility, 
W. Bensch, T. Bredow, H. Ebert, P. Heitjans, S. Indris, S. Mankovsky,  M. Wilkening, J. Progr. Solid State Chem. 37 (2009) 206.

Ion dynamics at Interfaces: NMR Studies, P. Heitjans, M. Wilkening, Mat. Res. Bul. 34 (2009) 915.

Ionic Transport in Mechanosynthesized Nanocrystalline LiBaF3, A. Düvel, M. Wilkening, P. Heitjans, Diffusion Fundamentals (extend. abstract) 11 (2009) 46.

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

Li diffusion properties of mixed conducting LixTiO2-B nanowires, M. Wilkening, J. Heine, C. Lyness, A. R. Armstrong, P. G. Bruce, Phys. Rev. B  80 (2009) 064302.

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

High anion conductivity in a ternary non-equilibrium phase of BaF2 and CaF2 with mixed cations, B. Ruprecht, M. Wilkening, A. Feldhoff, S. Steuernagel, P. Heitjans, Phys. Chem. Chem. Phys. 11 (2009) 3071.

Mechanically induced decrease of the Li conductivity in an alumosilicate glass, A. Kuhn, M. Wilkening, P. Heitjans, Solid State Ion. 180 (2009) 302.

Diffusion in Confined Dimensions: Li Transport in Nanocrystalline TiO2-B Nanowires, M. Wilkening, C. Lyness, A. R. Armstrong, P. G. Bruce, J. Phys. Chem. C (Letter), 113 (2009) 4741.

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


Anion diffusivity in highly conductive nanocrystalline BaF2:CaF2 composites prepared by high-energy ball milling, B. Ruprecht, M. Wilkening, S. Steuernagel, P. Heitjans, J. Mater. Chem. 18 (2008) 5412.

Atomic-scale measurement of ultraslow Li motions in glassy LiAlSi2O6 by two-time 6Li spin-alignment echo NMR, M. Wilkening, A. Kuhn, P. Heitjans, Phys. Rev. B 78 (2008) 054303.

Tuning the Li diffusivity of poor ionic conductors by mechanical treatment: High Li conductivity of strongly defective LiTaO3 nanoparticles, M. Wilkening, V. Epp, A. Feldhoff, P. Heitjans, J. Phys. Chem. C 112 (2008) 9291.

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

Li dynamics in amorphous LiNbO3 as probed by solid state NMR on different length scales, M. Wilkening, M. Masoud, P. Heitjans, Diffusion Fundamentals 8 (2008) 5.1.

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 7Li nuclear magnetic relaxation
M. Wilkening, P. Heitjans, Phys. Rev. B 77 (2008) 024311.

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. Wontcheu, W. Bensch, M. Wilkening, P. Heitjans, S. Indris, P. Sideris, C. P. Grey, J. Am. Chem. Soc. 130 (2008) 288.


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, M. Wilkening, D. Gebauer, P. Heitjans, J. Phys.: Condens. Matter 20 (2007) 022201.

Microscopic Li self-diffusion parameters in the lithiated anode material Li4+xTi5O12 (0 ≤ x ≤ 3) measured by 7Li solid state NMR, M. Wilkening, W. Iwaniak, J. Heine, V. Epp, A. Kleinert, M. Behrens, G. Nuspl, W. Bensch, P. Heitjans, Phys Chem. Chem. Phys. 9 (2007) 6199.

Dynamical Aspects of Nanocrystalline Ion Conductors studied by NMR, P. Heitjans, S. Indris, M. Wilkening, in Nanocomposites Ionic Conducting Materials and Structural Spectroscopies, Series: Electronic Materials: Science & Technology , Vol. 10, P. Knauth, J. Schoonman (Eds.), 2007.

A study of Li intercalation into Cr2Ti3Se8 using electrochemistry, in-situ energy dispersive X-ray diffractometry and NMR spectroscopy, J. Wontcheu, M. Behrens, W. Bensch, S. Indris, M. Wilkening, P. Heitjans, Solid State Ionics, 178 (2007) 759.

Comparison of 3D and 2D Li Diffusion in Cubic and Hexagonal LixTiS2 – A Study by Solid State 7Li NMR Methods, M. Wilkening, P. Heitjans, Diffusion Fundamentals 6 (2007) 40.1 - 40.13.

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

Ultraslow Li diffusion in spinel-type structured Li4Ti5O12– a comparison of results from solid state NMR and impedance spectroscopy, M. Wilkening, R. Amade, W. Iwaniak, P. Heitjans, Phys. Chem. Chem. Phys. 9 (2007)1239.

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


New prospects in studying Li diffusion - two-time stimulated echo NMR of spin-3/2 nuclei, M. Wilkening, P. Heitjans, Solid State Ionics 177 (2006) 3031.

Extremely slow cation exchange processes in Li4SiO4 probed directly by two-time 7Li stimulated-echo NMR spectroscopy, M. Wilkening, P. Heitjans, J. Phys.: Condens. Matter 18 (2006) 9849.

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

Lithium intercalation into monoclinic Cr4TiSe8: Synthesis, structural phase transition, and properties of LixCr4TiSe8 (x = 0.1 ‒ 2.8), M. Behrens, O. Riemenschneider, W. Bensch, S. Indris, M. Wilkening. P. Heitjans, Chem. Mater. 18 (2006)1569.


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

Ultra-slow diffusion in polycrystalline h-Li1.0TiS2 studied by 7Li spin-alignment echo NMR spectroscopy, M. Wilkening, P. Heitjans, Defect Diffus. Forum 237-240 (2005) 1182.


Electric field gradient calculations for h-LixTiS2 and comparison with 7Li NMR results, T. Bredow, P. Heitjans, M. Wilkening, Phys. Rev. B 70 (2004) 115111.

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

Diffusion in amorphous LiNbO3 studied by 7Li NMR - comparison with the nano- and microcrystalline material, M. Wilkening, D. Bork, S. Indris, P. Heitjans, 
Phys. Chem. Chem. Phys. 4 (2002) 3246.



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