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The Local Structure and Exchange Bias Effect of (Ho, Co)-codoped BiFeO3 investigated by XAFS spectroscopy
Li, Yongtao1,2,3; Liu, Liqing1; Wang, Dehao2; Zhang, Hui1,4; Zhang, Hongguang1; He, Xuemin1; Li, Qi3
2021-03-01
Source PublicationPHYSICA B-CONDENSED MATTER
ISSN0921-4526
Volume604Pages:5
AbstractYYY Two elements (Ho, Co) co-doped Bi1-xHoxFe0.95Co0.05O3 (x = 0.05, 0.10, 0.15) samples were prepared by sol-gel method. The X-ray diffraction patterns demonstrate that Ho ions doping plays a major role in a systematic structural phase transition. The details of the magnetic properties of the samples are investigated. The magnetic properties of (Ho, Co) co-doped BiFeO3 have been improved greatly, compared with the pure phase BiFeO3. An exchange bias effect is observed in the samples. The local structure of the samples measured by X-ray absorption fine structure is studied to analyze the origin of the enhancement of the magnetic properties and the change of exchange bias effect of the samples. The occurrence of the exchange bias effect is attributed to the changes of the Fe-O bond length and of the local symmetry around Fe atom.
KeywordMultiferroics Local structure Exchange bias effect X-ray absorption fine structure (XAFS) Bismuth ferrite Fe-O bond length
Funding Organizationresearch project of Nanjing University of Posts and Telecommunications ; research project of Nanjing University of Posts and Telecommunications ; research project of Nanjing University of Posts and Telecommunications ; research project of Nanjing University of Posts and Telecommunications ; research project of Nanjing University of Posts and Telecommunications ; research project of Nanjing University of Posts and Telecommunications ; research project of Nanjing University of Posts and Telecommunications ; research project of Nanjing University of Posts and Telecommunications
DOI10.1016/j.physb.2020.412709
WOS KeywordMULTIFERROIC PROPERTIES ; ELECTRONIC-STRUCTURE ; MAGNETIC-PROPERTIES ; SUBSTITUTION ; CRYSTAL
Language英语
Funding Projectresearch project of Nanjing University of Posts and Telecommunications[NY217096] ; research project of Nanjing University of Posts and Telecommunications[NY220036]
Funding Organizationresearch project of Nanjing University of Posts and Telecommunications ; research project of Nanjing University of Posts and Telecommunications ; research project of Nanjing University of Posts and Telecommunications ; research project of Nanjing University of Posts and Telecommunications ; research project of Nanjing University of Posts and Telecommunications ; research project of Nanjing University of Posts and Telecommunications ; research project of Nanjing University of Posts and Telecommunications ; research project of Nanjing University of Posts and Telecommunications
WOS Research AreaPhysics
WOS SubjectPhysics, Condensed Matter
WOS IDWOS:000612470300003
PublisherELSEVIER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/79438
Collection中国科学院国家天文台
Corresponding AuthorLiu, Liqing
Affiliation1.Nanjing Univ Posts & Telecommun, New Energy Technol Engn Lab Jiangsu Prov, Nanjing 210023, Peoples R China
2.Nanjing Univ Posts & Telecommun, Coll Elect Sci & Engn, Nanjing 210023, Peoples R China
3.Southeast Univ, Sch Phys, Nanjing 211189, Peoples R China
4.Chinese Acad Sci, Shanghai Astron Observ, Shanghai 200030, Peoples R China
Recommended Citation
GB/T 7714
Li, Yongtao,Liu, Liqing,Wang, Dehao,et al. The Local Structure and Exchange Bias Effect of (Ho, Co)-codoped BiFeO3 investigated by XAFS spectroscopy[J]. PHYSICA B-CONDENSED MATTER,2021,604:5.
APA Li, Yongtao.,Liu, Liqing.,Wang, Dehao.,Zhang, Hui.,Zhang, Hongguang.,...&Li, Qi.(2021).The Local Structure and Exchange Bias Effect of (Ho, Co)-codoped BiFeO3 investigated by XAFS spectroscopy.PHYSICA B-CONDENSED MATTER,604,5.
MLA Li, Yongtao,et al."The Local Structure and Exchange Bias Effect of (Ho, Co)-codoped BiFeO3 investigated by XAFS spectroscopy".PHYSICA B-CONDENSED MATTER 604(2021):5.
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