Vibrational analysis of lithium nickel vanadate

被引：25

作者：

Bhuvaneswari, MS

Selvasekarapandian, S ^{[1
]}

Kamishima, O

Kawamura, J

Hattori, T

机构：

[1] Bharathiar Univ, Dept Phys, Solid State & Radiat Phys Lab, Coimbatore 641046, Tamil Nadu, India

[2] Tohoku Univ, Inst Multidisciplinary Res Adv Mat, Sendai, Miyagi, Japan

来源：

JOURNAL OF POWER SOURCES | 2005年 / 139卷 / 1-2期

关键词：

lithium nickel vanadate; Raman spectroscopy; FTIR analysis; diatomic approach; Pauling valence sum rule; rechargeable lithium batteries;

D O I：

10.1016/j.jpowsour.2004.07.006

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The compound LiXNiVO4 (X = 0-8, 1.0, 1.2) is prepared by a solid-state reaction method. The vibrational analysis of the compound is studied using Fourier transform infra red (FTIR) and Raman spectroscopic techniques. A new peak at 1039 cm(-1) is observed for Li1.2NiVO4 in the FTIR analysis and indicates the presence of Li+-O-V bond interactions. The FTIR and Raman characteristic bands for cubic inverse spinel structure are observed for all samples. Using the diatomic approximation method, the bond length and the bond order of the compound with various Li compositions are calculated. The valence state of the compounds is calculated using the Pauling valence sum rule and is found to be nearly 5.2 for all compositions of LiXNiVO4 (X = 0.8, 1.0, 1.2). (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：279 / 283

页数：5

共 17 条

[1] Raman scattering in BIMEVOX (ME = Mg, Ni, Cu, Zn) single crystals [J].