Influence of Eu and Sr co-substitution on multiferroic properties of BiFeO3

Weiwei Mao; Wei Chen; Xingfu Wang; Yiyi Zhu; Yuhui Ma; Hongtao Xue; Liang Chu; Jianping Yang; Xing'ao Li; Wei Huang

doi:10.1016/j.ceramint.2016.05.048

Influence of Eu and Sr co-substitution on multiferroic properties of BiFeO₃

Weiwei Mao, Wei Chen, Xingfu Wang, Yiyi Zhu, Yuhui Ma, Hongtao Xue, Liang Chu, Jianping Yang, Xing'ao Li, Wei Huang

Research output: Contribution to journal › Article › peer-review

67 Scopus citations

Abstract

Pure BiFeO₃ (BFO), and Eu-Sr co-substituted BFO samples were prepared by a sol–gel method. The effects of Eu and Sr codoped on the structural, morphological, magnetic and ferroelectric properties were systematically investigated. The X-ray diffraction and Fourier transform infrared spectroscopy reveal that substitution of Eu and Sr at the Bi site results in structural change and single phase formation. The maximum remnant magnetization of 0.287 emu/g and coercive field of 10.305 kOe are observed in the Bi_0.85Eu_0.05Sr_0.10FeO₃ sample. The suppression of spin cycloid caused from the structural distortion can play an important role in the improvement of magnetic properties. The Eu and Sr co-doped samples also exhibit good ferroelectric properties, which may be attributed to suppressing the formation of oxygen vacancies by Eu substitution.

Original language	English
Pages (from-to)	12838-12842
Number of pages	5
Journal	Ceramics International
Volume	42
Issue number	11
DOIs	https://doi.org/10.1016/j.ceramint.2016.05.048
State	Published - 15 Aug 2016
Externally published	Yes

Keywords

BiFeO
Ferroelectric properties
Magnetic properties
Sol-gel method

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10.1016/j.ceramint.2016.05.048

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title = "Influence of Eu and Sr co-substitution on multiferroic properties of BiFeO3",

abstract = "Pure BiFeO3 (BFO), and Eu-Sr co-substituted BFO samples were prepared by a sol–gel method. The effects of Eu and Sr codoped on the structural, morphological, magnetic and ferroelectric properties were systematically investigated. The X-ray diffraction and Fourier transform infrared spectroscopy reveal that substitution of Eu and Sr at the Bi site results in structural change and single phase formation. The maximum remnant magnetization of 0.287 emu/g and coercive field of 10.305 kOe are observed in the Bi0.85Eu0.05Sr0.10FeO3 sample. The suppression of spin cycloid caused from the structural distortion can play an important role in the improvement of magnetic properties. The Eu and Sr co-doped samples also exhibit good ferroelectric properties, which may be attributed to suppressing the formation of oxygen vacancies by Eu substitution.",

keywords = "BiFeO, Ferroelectric properties, Magnetic properties, Sol-gel method",

author = "Weiwei Mao and Wei Chen and Xingfu Wang and Yiyi Zhu and Yuhui Ma and Hongtao Xue and Liang Chu and Jianping Yang and Xing'ao Li and Wei Huang",

note = "Publisher Copyright: {\textcopyright} 2016 Elsevier Ltd and Techna Group S.r.l.",

year = "2016",

month = aug,

day = "15",

doi = "10.1016/j.ceramint.2016.05.048",

language = "英语",

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journal = "Ceramics International",

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TY - JOUR

T1 - Influence of Eu and Sr co-substitution on multiferroic properties of BiFeO3

AU - Mao, Weiwei

AU - Chen, Wei

AU - Wang, Xingfu

AU - Zhu, Yiyi

AU - Ma, Yuhui

AU - Xue, Hongtao

AU - Chu, Liang

AU - Yang, Jianping

AU - Li, Xing'ao

AU - Huang, Wei

PY - 2016/8/15

Y1 - 2016/8/15

N2 - Pure BiFeO3 (BFO), and Eu-Sr co-substituted BFO samples were prepared by a sol–gel method. The effects of Eu and Sr codoped on the structural, morphological, magnetic and ferroelectric properties were systematically investigated. The X-ray diffraction and Fourier transform infrared spectroscopy reveal that substitution of Eu and Sr at the Bi site results in structural change and single phase formation. The maximum remnant magnetization of 0.287 emu/g and coercive field of 10.305 kOe are observed in the Bi0.85Eu0.05Sr0.10FeO3 sample. The suppression of spin cycloid caused from the structural distortion can play an important role in the improvement of magnetic properties. The Eu and Sr co-doped samples also exhibit good ferroelectric properties, which may be attributed to suppressing the formation of oxygen vacancies by Eu substitution.

AB - Pure BiFeO3 (BFO), and Eu-Sr co-substituted BFO samples were prepared by a sol–gel method. The effects of Eu and Sr codoped on the structural, morphological, magnetic and ferroelectric properties were systematically investigated. The X-ray diffraction and Fourier transform infrared spectroscopy reveal that substitution of Eu and Sr at the Bi site results in structural change and single phase formation. The maximum remnant magnetization of 0.287 emu/g and coercive field of 10.305 kOe are observed in the Bi0.85Eu0.05Sr0.10FeO3 sample. The suppression of spin cycloid caused from the structural distortion can play an important role in the improvement of magnetic properties. The Eu and Sr co-doped samples also exhibit good ferroelectric properties, which may be attributed to suppressing the formation of oxygen vacancies by Eu substitution.

KW - BiFeO

KW - Ferroelectric properties

KW - Magnetic properties

KW - Sol-gel method

UR - http://www.scopus.com/inward/record.url?scp=84969963352&partnerID=8YFLogxK

U2 - 10.1016/j.ceramint.2016.05.048

DO - 10.1016/j.ceramint.2016.05.048

M3 - 文章

AN - SCOPUS:84969963352

SN - 0272-8842

VL - 42

SP - 12838

EP - 12842

JO - Ceramics International

JF - Ceramics International

IS - 11

ER -

Influence of Eu and Sr co-substitution on multiferroic properties of BiFeO₃

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Keywords

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