Effect of Substitution of Chromium Ion on the Properties of LaGa1-xCrxO3

Chinese Journal of Applied Chemistry ›› 1996, Vol. 0 ›› Issue (6): 46-48.

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Effect of Substitution of Chromium Ion on the Properties of LaGa_1-xCr_xO₃

Yang Jianmei, Su Qiang

Laboratory of Rare Earth Chemistry and Physics, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022

Received:1996-03-05 Revised:1996-06-11 Published:1996-12-10 Online:1996-12-10

Abstract

Abstract: LaGa_1-xCr_xO₃(x=0,0.2,0.4,0.6,0.8,1.0) were synthesized by solid state reaction for the first time. The effects of chromium ion substitution on the structure,IR spectra,electric properties and magnetic properties of LaGa_1-xCr_xO₃ were investigated.Some regularities of changes were obtained.The results show that Cr³⁺ enters into lattice and induces the lattice distortion of compounds.The Ga-O stretching vibrations and O-Ga-O deformation vibrations are shifted to high frequencies after substitution of Cr³⁺ for Ga³⁺.The resistivity decreases and susceptibility increases as the concentration of Cr³⁺ increases.

Key words: chromium ion, substitution, LaGa_1-xCr_xO₃, lanthanum gallate, RE compound

Yang Jianmei, Su Qiang. Effect of Substitution of Chromium Ion on the Properties of LaGa_1-xCr_xO₃[J]. Chinese Journal of Applied Chemistry, 1996, 0(6): 46-48.

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Effect of Substitution of Chromium Ion on the Properties of LaGa_1-xCr_xO₃

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