The Influence of Doping Ca in EuFeO3 on Electronic State of Fe Ion

Chem. J. Chinese Universities ›› 1998, Vol. 19 ›› Issue (2): 275.

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The Influence of Doping Ca in EuFeO₃ on Electronic State of Fe Ion

LI Li-Ping¹, LIN Xiao-Min⁴, WEI Quan², REN Xiao-Lin³, SU Wen-Hui¹

1. Department of Physics, Jilin University, Changchun, 130023;
2. Center for Analysis and Measurement, Jilin University, Changchun, 130023;
3. Department of Chemistry, Jilin University, Changchun, 130023;
4. Jilin Teachers College, Jilin, 132011

Received:1996-11-28 Online:1998-02-24 Published:1998-02-24

Abstract

Abstract: Samples of Fe_1-xCa_x FeO₃( x =0.0, 0.2～1.0) were prepared by solid state reaction method. XRD measurements show that compounds for x <0.6 have a perovskite structure. Three magnetic and one doublet species were observed at room temperature in the Mössbauer spectra. One of the three magnetic components corresponds to Fe ions in tetrahedral coordination, and the other to Fe ions in octahedral coordination. The shoulder peak of Fe_{2p_3/2} for the samples with x =0 Orelated to Fe ions in different coordinated state. The Fe ions are all in a trivalent state.

Key words: Fe_1-xCa_x FeO₃, XPS, ⁵⁷ Fe Mö, ssbauer spectrum

CLC Number:

O643

TrendMD:

LI Li-Ping, LIN Xiao-Min, WEI Quan, REN Xiao-Lin, SU Wen-Hui. The Influence of Doping Ca in EuFeO₃ on Electronic State of Fe Ion[J]. Chem. J. Chinese Universities, 1998, 19(2): 275.

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The Influence of Doping Ca in EuFeO₃ on Electronic State of Fe Ion

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