Cation Distribution in Zn(Ga,Fe)2O4 Solid Solutions with Spinel Structure

doi:10.3724/SP.J.1077.2008.00190

Journal of Inorganic Materials

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Cation Distribution in Zn(Ga,Fe)₂O₄ Solid Solutions with Spinel Structure

WANG Jing ^1,2, DENT Tong², YANG Cai-Qin¹, WANG Wei¹

(1. School of Pharmaceutical Sciences, Hebei Medical University, Shijiazhuang 050017, China; 2. Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100081, China)

Received:2007-01-09 Revised:2007-04-02 Published:2008-01-20 Online:2008-01-20

Abstract

Abstract: The cation distribution in Zn(Ga,Fe)₂O₄ solid solutions with spinel structure were calculated by using the X-ray powder diffraction density method (R factor Method). The results indicate that the cations show osculant but lean to inverse distribution in Zn(Ga,Fe)₂O₄. With Fe³⁺ introduction into the spinel structure of Zn(Ga,Fe)₂O₄, the Zn²⁺ concentration in A sites and Ga³⁺ concentration in B sites increase. Meanwhile, the IR spectra of samples indicate threshold frequency representing the activation energy for electron conduction is affected sharply by the substitution of Fe³⁺ for Ga^3+.

Key words: R factors, Zn(Ga,Fe)₂O₄, spinel structure

CLC Number:

TB32

WANG Jing,DENT Tong,YANG Cai-Qin,WANG Wei. Cation Distribution in Zn(Ga,Fe)₂O₄ Solid Solutions with Spinel Structure[J]. Journal of Inorganic Materials, DOI: 10.3724/SP.J.1077.2008.00190.

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Cation Distribution in Zn(Ga,Fe)₂O₄ Solid Solutions with Spinel Structure

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