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Electronic structure and stability of Li1 + xMn2 − xO4 spinels

✍ Scribed by Berg, Helena; Göransson, Kenneth; Noläng, Bengt; Thomas, John O.

Book ID
120654489
Publisher
Royal Society of Chemistry
Year
2000
Tongue
English
Weight
137 KB
Volume
10
Category
Article
ISSN
0959-9428

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EPR of Mn 4ϩ has been used to study electron-phonon interactions and cation distribution in Li 1ϩx Mn 2Ϫx O 4 spinels with 0 Յ x Յ 0:1: The EPR spectra of Mn 4ϩ in 16d spinel sites has been interpreted in terms of the bottleneck-relaxation mechanism. Two additional weak signals were registered that

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Lithium substituted Li 1+x Mn 2Àx O 4 spinel samples in the entire solid solution range (0pxp1=3) were synthesized by solid-state reaction. The samples with xo0:25 are stoichiometric and those with xX0:25 are oxygen deficient. High-temperature oxide melt solution calorimetry in molten 3Na 2 O Á 4MoO