Вид документа : Шифр издания : 54/S 89 Автор(ы) : Zhuravlev N. A., Mukhina N. A., Kellerman D. G., Gorshkov V. S. Заглавие : Structural Disordering in Cr-Doped Li4Ti5O12 Spinels Место публикации : Bulletin of the Russian Academy of Sciences: Physics. - 2009. - Vol. 73, № 11. - С. P. 1522-1524: il. Примечания : Bibliogr. : p. 1524 (8 ref.) ISSN: 1062-8738 ББК : 54 Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ Ключевые слова (''Своб.индексиров.''): шпинели--литий--легирование--хром Аннотация: The processes of lithium redistribution in the structure of cubic Li4Ti5O12 spinel, caused by both chromium doping and thermal activation, have been investigated by nuclear magnetic resonance. It is shown that Li ions migrate from tetra to octahedral crystallographic positions with an increase in temperature. This process becomes more pronounced at temperatures above 400 K. In contrast, the fraction of tetrahedrally coordinated Li increases as a result of doping with chromium Доп.точки доступа: Zhuravlev, N. A.; Mukhina, N. A.; Kellerman, D. G.; Gorshkov, V. S.