ARamanStudyofSpinelLiMn2O4

被引：0

作者：

WANG Chunzhong GONG Jie LIU Wei WEI Yingjin WU Feng and CHEN Gang Key Laboratory of Automobile Materials of Ministry of Education Alan G MacDirmid Institute and College of Materials Science and Engineering Jilin University Changchun P R China Institute of Condensed Matter Physics Jilin Normal University Siping P R China Beijing Institute of Technology Beijing P R China ^{[1
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机构：

来源：

Chemical Research in Chinese Universities | 2003年 / 03期

关键词：

Raman characterization; Spinel; LiMn; 2O; 4;

D O I：

暂无

中图分类号：

O614 [金属元素及其化合物];

学科分类号：

070301 ; 081704 ;

摘要：

A Raman study was carried out for LiMn 2O 4, which was synthesized via the mixture of Mn 3O 4 and LiNO 3 sintered at different temperatures. It is shown that there are two kinds of Raman spectra for LiMn 2O 4 at different sintering temperatures, while the X-ray diffraction patterns of LiMn 2O 4 sintered at different temperatures are the same. Five Raman bands observed for the materials sintered below 500 ℃ are consistent with the theoretical prediction for spinel structure based on the group theory. Only two Raman bands were observed for the materials sintered at temperatures higher than 500 ℃. The best preparation condition for obtaining a good spinel LiMn 2O 4 is suggested based on the Raman study.

引用

页码：344 / 346

页数：3

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