期刊
PHYSICS OF THE SOLID STATE
卷 52, 期 3, 页码 459-464出版社
PLEIADES PUBLISHING INC
DOI: 10.1134/S1063783410030030
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The optical absorption and nuclear magnetic resonance spectra of Li4 - x Cr-3x Ti5 - 2x O-12 (x = 0, 0.01, 0.02, 0.04) solid solutions have been investigated. It has been found that, in the Li4Ti5O12 spinel, lithium ions migrate from tetrahedral to octahedral positions with increasing temperature. Doping of chromium to the spinel favors an increase in the fraction of tetrahedrally coordinated lithium and hinders diffusion.
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