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Characterization of Sol–Gel LiMn2O4 Spinel Phase

✍ Scribed by V. Massarotti; D. Capsoni; M. Bini; G. Chiodelli; C.B. Azzoni; M.C. Mozzati; A. Paleari

Publisher
Elsevier Science
Year
1999
Tongue
English
Weight
184 KB
Volume
147
Category
Article
ISSN
0022-4596

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✦ Synopsis

Lithium manganese spinel Li 1 ؉ y Mn 2 ؊ y O 4 (0.04y40.07) synthesized by the sol+gel process is studied with a focus on the e4ects of the changes of formation conditions which can sensibly determine the mean crystallite size from a few nanometers to several hundred nanometers. Changes of stoichiometry and abundance of the spinel phase can be observed in the 5734T A (K)41073 range of annealing temperature (T A ). Comparing spinel phases obtained by sol+gel and solid state synthesis evidences the correlation among composition, structure, and electric and magnetic properties.

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