Sr、Co共掺多铁性材料BiFeO<sub>3</sub>的性能

doi:10.11896/j.issn.1005-023X.2018.10.002

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Abstract BiFeO₃, Bi_0.95Sr_0.05FeO₃, BiFe_0.95Co_0.05O₃and Bi_0.95Sr_0.05Fe_0.95Co_0.05O₃samples were prepared by sol-gel method and the structure, morphology, element content, ferroelectricity and ferromagnetism of the samples were investigated. The results manifested that the crystal structure of Bi_0.95Sr_0.05Fe_0.95Co_0.05O₃ had been changed and the ferroelectricity enhanced dramatically, but the leakage current of it was also larger. Simultaneously, it demonstrated that the magnetic properties of Bi_0.95Sr_0.05FeO₃ and BiFe_0.95Co_0.05O₃ were increased more or less. But the magnetic properties of Bi_0.95Sr_0.05Fe_0.95Co_0.05O₃was constant with Sr and Co codoped. The reason for this phenomenon were analyzed by comparing oxygen vacancy concentration, the difference between Fe-O covalent bond structures and the different size of the crystals for all the samples.

Key words： multiferroic material ferroelectric ferromagnetism Raman spectroscopy

Published: 25 May 2018 Online: 2018-07-06

CLC number:

O469

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	Articles by authors
	XIONG Jiangong
	ZHANG Chuangwei
	WANG Kang
	KONG Lingyi
	ZHAO Yifei
	CHEN Long
	LI Yongtao

Cite this article:

XIONG Jiangong,ZHANG Chuangwei,WANG Kang, et al. Property of Sr and Co Codoped Multiferroic Material BiFeO₃[J]. Materials Reports, 2018, 32(10): 1582-1586.

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https://www.mater-rep.com/EN/10.11896/j.issn.1005-023X.2018.10.002 OR https://www.mater-rep.com/EN/Y2018/V32/I10/1582

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