Publikationen der AG Heitjans

Zeige Ergebnisse 151 - 160 von 213

2007


Wilkening, M., Iwaniak, W., Heine, J., Epp, V., Kleinert, A., Behrens, M., Nuspl, G., Bensch, W., & Heitjans, P. (2007). Microscopic Li self-diffusion parameters in the lithiated anode material Li4+xTi5O12 (0 ≤ x ≤ 3) measured by 7Li solid state NMR. Physical Chemistry Chemical Physics, 9(47), 6199-6202. https://doi.org/10.1039/b713311a
Heitjans, P., Masoud, M., Feldhoff, A., & Wilkening, M. (2007). NMR and impedance studies of nanocrystalline and amorphous ion conductors: Lithium niobate as a model system. Faraday discussions, 134, 67-82. https://doi.org/10.1039/b602887j
Wilkening, M., Amade, R., Iwaniak, W., & Heitjans, P. (2007). Ultraslow Li diffusion in spinel-type structured Li4Ti 5O12 - A comparison of results from solid state NMR and impedance spectroscopy. Physical Chemistry Chemical Physics, 9(10), 1239-1246. https://doi.org/10.1039/b616269j

2006


Wilkening, M., & Heitjans, P. (2006). New prospects in studying Li diffusion-two-time stimulated echo NMR of spin-3/2 nuclei. SOLID STATE IONICS, 177(35-36), 3031-3036. https://doi.org/10.1016/j.ssi.2006.07.037
Wilkening, M., & Heitjans, P. (2006). Extremely slow cation exchange processes in Li4SiO4 probed directly by two-time 7Li stimulated-echo nuclear magnetic resonance spectroscopy. Journal of Physics Condensed Matter, 18(43), 9849-9862. Artikel 007. https://doi.org/10.1088/0953-8984/18/43/007
Šepelák, V., Indris, S., Bergmann, I., Feldhoff, A., Becker, K. D., & Heitjans, P. (2006). Nonequilibrium cation distribution in nanocrystalline MgAl2O4 spinel studied by 27Al magic-angle spinning NMR. SOLID STATE IONICS, 177(26-32 SPEC. ISS.), 2487-2490. https://doi.org/10.1016/j.ssi.2006.04.014
Šepelák, V., Feldhoff, A., Heitjans, P., Krumeich, F., Menzel, D., Litterst, F. J., Bergmann, I., & Becker, K. D. (2006). Nonequilibrium cation distribution, canted spin arrangement, and enhanced magnetization in nanosized MgFe2O4 prepared by a one-step mechanochemical route. Chemistry of materials, 18(13), 3057-3067. https://doi.org/10.1021/cm0514894
Behrens, M., Riemenschneider, O., Bensch, W., Indris, S., Wilkening, M., & Heitjans, P. (2006). Lithium intercalation into monoclinic Cr4TiSe8: Synthesis, structural phase transition, and properties of LixCr 4TiSe8 (x = 0.1-2.8). Chemistry of materials, 18(6), 1569-1576. https://doi.org/10.1021/cm0518628
Wilkening, M., Küchler, W., & Heitjans, P. (2006). From ultraslow to fast lithium diffusion in the 2D ion conductor Li0.7TiS2 probed directly by stimulated-echo NMR and nuclear magnetic relaxation. Physical review letters, 97(6), Artikel 065901. https://doi.org/10.1103/PhysRevLett.97.065901
Amade, R., Heitjans, P., Indris, S., Finger, M., Haeger, A., & Hesse, D. (2006). Influence of gas atmosphere and temperature on the conductivity and the photoconductivity of a TiO2 single crystal in the surface region. Physical Chemistry Chemical Physics, 8(6), 777-782. https://doi.org/10.1039/b514867g