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Journal of Materials Science: Materials in Electronics

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08-08-2019

Cr-doping effects on optical and magnetic properties of BaSn_1−xCr_xO₃

Authors: Peng Zhang, FuHai Su, Qi Wang, Shan Wu, Wu Sun, Jianming Dai

Published in: Journal of Materials Science: Materials in Electronics | Issue 17/2019

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Abstract

Polycrystalline bulk samples of BaSn_1−xCr_xO₃ with different Cr concentrations were prepared by standard solid state reaction method. The effects of Cr concentration on crystal structure of BaSn_1−xCr_xO₃, as well as optical and magnetic properties were investigated. Powder X-ray diffraction (XRD) shows that each of these samples possess a perovskite structure with \( Pm\bar{3}m \) space group. The Cr ions are located at the substitution Sn sites as revealed by the XRD, Diffuse reflectance spectra and Raman spectra. Moreover, it is found that room-temperature ferromagnetism (FM) can be reversed by annealing in the nitrogen atmosphere. This can be well explained by a modified model of F-center mediated FM.

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Title: Cr-doping effects on optical and magnetic properties of BaSn1−xCrxO3
Authors: Peng Zhang
FuHai Su
Qi Wang
Shan Wu
Wu Sun
Jianming Dai
Publication date: 08-08-2019
Publisher: Springer US
Published in: Journal of Materials Science: Materials in Electronics / Issue 17/2019
Print ISSN: 0957-4522
Electronic ISSN: 1573-482X
DOI: https://doi.org/10.1007/s10854-019-02002-8

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