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Competition Between Anti-Phase Boundaries and Charge-Orbital Ordering in Epitaxial Stepped Fe3O4(100) Thin Films

文献类型：期刊论文

作者Wu, Han-Chun1; Liu, Xiao1; Coileain, Cormac O.1; Xu, Hongjun1; Abid, Mourad1; Abid, Mohamed1; Syrlybekov, Askar2,3; Mauit, Ozhet2,3; Shvets, Igor V.2,3; Sofin, R. G. S.4
刊名SPIN
出版日期2017-06-01
卷号7期号:2
关键词Half-metal Anti-phase Boundary Charge-orbital Ordering Epitaxial Film Magnetoresistance
DOI10.1142/S2010324717500011
文献子类Article
英文摘要Magnetite is a highly utilized transition metal oxide with many interesting magnetic and transport properties. The presence of anti-phase boundaries (APBs) and charge-orbital ordering (COO) are two of the most exciting properties of epitaxial magnetite thin films. Here, epitaxial stepped Fe3O4 films were prepared to investigate the competition between APBs and COO via measurements of in-plane anisotropy. The anisotropy was probed for two orthogonal configurations, with magnetic field applied or electrical-contacts aligned either along or perpendicular to the steps. We reveal that the APBs dominate the magnetic and transport properties of the films above the Verwey transition temperature (T-V). However, below TV film thickness becomes a decisive factor in determining the magnetic nature of stepped magnetite films, due to its correlation with domain size. When the film is thinner than a critical thickness, the anisotropy is dominated by the APBs, and a higher anisotropy constant and MR ratio are observed when the magnetic field or contacts are oriented along the steps. Conversely, for sufficiently thick films, below T-V, the magnetic and electrical transport properties are dominated by COO. Thus a higher anisotropy constant and MR ratio are observed when the magnetic field or contacts are oriented perpendicular to the steps.
WOS关键词MAGNETITE ; TRANSITION ; BEHAVIOR
WOS研究方向Physics
语种英语
WOS记录号WOS:000405099800001
资助机构Beijing Institute of Technology Research Fund Program for Young Scholars, Science Foundation of Ireland (SFI)(06/IN.1/I91) ; Beijing Institute of Technology Research Fund Program for Young Scholars, Science Foundation of Ireland (SFI)(06/IN.1/I91) ; Beijing Institute of Technology Research Fund Program for Young Scholars, Science Foundation of Ireland (SFI)(06/IN.1/I91) ; Beijing Institute of Technology Research Fund Program for Young Scholars, Science Foundation of Ireland (SFI)(06/IN.1/I91) ; Beijing Institute of Technology Research Fund Program for Young Scholars, Science Foundation of Ireland (SFI)(06/IN.1/I91) ; Beijing Institute of Technology Research Fund Program for Young Scholars, Science Foundation of Ireland (SFI)(06/IN.1/I91) ; Beijing Institute of Technology Research Fund Program for Young Scholars, Science Foundation of Ireland (SFI)(06/IN.1/I91) ; Beijing Institute of Technology Research Fund Program for Young Scholars, Science Foundation of Ireland (SFI)(06/IN.1/I91) ; Beijing Institute of Technology Research Fund Program for Young Scholars, Science Foundation of Ireland (SFI)(06/IN.1/I91) ; Beijing Institute of Technology Research Fund Program for Young Scholars, Science Foundation of Ireland (SFI)(06/IN.1/I91) ; Beijing Institute of Technology Research Fund Program for Young Scholars, Science Foundation of Ireland (SFI)(06/IN.1/I91) ; Beijing Institute of Technology Research Fund Program for Young Scholars, Science Foundation of Ireland (SFI)(06/IN.1/I91) ; Beijing Institute of Technology Research Fund Program for Young Scholars, Science Foundation of Ireland (SFI)(06/IN.1/I91) ; Beijing Institute of Technology Research Fund Program for Young Scholars, Science Foundation of Ireland (SFI)(06/IN.1/I91) ; Beijing Institute of Technology Research Fund Program for Young Scholars, Science Foundation of Ireland (SFI)(06/IN.1/I91) ; Beijing Institute of Technology Research Fund Program for Young Scholars, Science Foundation of Ireland (SFI)(06/IN.1/I91) ; National Plan for Science and technology of King Abdulaziz City for Science and Technology(NPST 1598-02 ; National Plan for Science and technology of King Abdulaziz City for Science and Technology(NPST 1598-02 ; National Plan for Science and technology of King Abdulaziz City for Science and Technology(NPST 1598-02 ; National Plan for Science and technology of King Abdulaziz City for Science and Technology(NPST 1598-02 ; National Plan for Science and technology of King Abdulaziz City for Science and Technology(NPST 1598-02 ; National Plan for Science and technology of King Abdulaziz City for Science and Technology(NPST 1598-02 ; National Plan for Science and technology of King Abdulaziz City for Science and Technology(NPST 1598-02 ; National Plan for Science and technology of King Abdulaziz City for Science and Technology(NPST 1598-02 ; National Plan for Science and technology of King Abdulaziz City for Science and Technology(NPST 1598-02 ; National Plan for Science and technology of King Abdulaziz City for Science and Technology(NPST 1598-02 ; National Plan for Science and technology of King Abdulaziz City for Science and Technology(NPST 1598-02 ; National Plan for Science and technology of King Abdulaziz City for Science and Technology(NPST 1598-02 ; National Plan for Science and technology of King Abdulaziz City for Science and Technology(NPST 1598-02 ; National Plan for Science and technology of King Abdulaziz City for Science and Technology(NPST 1598-02 ; National Plan for Science and technology of King Abdulaziz City for Science and Technology(NPST 1598-02 ; National Plan for Science and technology of King Abdulaziz City for Science and Technology(NPST 1598-02 ; Saudi Aramco(6600028398) ; Saudi Aramco(6600028398) ; Saudi Aramco(6600028398) ; Saudi Aramco(6600028398) ; Saudi Aramco(6600028398) ; Saudi Aramco(6600028398) ; Saudi Aramco(6600028398) ; Saudi Aramco(6600028398) ; Saudi Aramco(6600028398) ; Saudi Aramco(6600028398) ; Saudi Aramco(6600028398) ; Saudi Aramco(6600028398) ; Saudi Aramco(6600028398) ; Saudi Aramco(6600028398) ; 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Beijing Institute of Technology Research Fund Program for Young Scholars, Science Foundation of Ireland (SFI)(06/IN.1/I91) ; Beijing Institute of Technology Research Fund Program for Young Scholars, Science Foundation of Ireland (SFI)(06/IN.1/I91) ; Beijing Institute of Technology Research Fund Program for Young Scholars, Science Foundation of Ireland (SFI)(06/IN.1/I91) ; Beijing Institute of Technology Research Fund Program for Young Scholars, Science Foundation of Ireland (SFI)(06/IN.1/I91) ; Beijing Institute of Technology Research Fund Program for Young Scholars, Science Foundation of Ireland (SFI)(06/IN.1/I91) ; Beijing Institute of Technology Research Fund Program for Young Scholars, Science Foundation of Ireland (SFI)(06/IN.1/I91) ; Beijing Institute of Technology Research Fund Program for Young Scholars, Science Foundation of Ireland (SFI)(06/IN.1/I91) ; Beijing Institute of Technology Research Fund Program for Young Scholars, Science Foundation of Ireland (SFI)(06/IN.1/I91) ; Beijing Institute of Technology Research Fund Program for Young Scholars, Science Foundation of Ireland (SFI)(06/IN.1/I91) ; Beijing Institute of Technology Research Fund Program for Young Scholars, Science Foundation of Ireland (SFI)(06/IN.1/I91) ; National Plan for Science and technology of King Abdulaziz City for Science and Technology(NPST 1598-02 ; National Plan for Science and technology of King Abdulaziz City for Science and Technology(NPST 1598-02 ; National Plan for Science and technology of King Abdulaziz City for Science and Technology(NPST 1598-02 ; National Plan for Science and technology of King Abdulaziz City for Science and Technology(NPST 1598-02 ; National Plan for Science and technology of King Abdulaziz City for Science and Technology(NPST 1598-02 ; National Plan for Science and technology of King Abdulaziz City for Science and Technology(NPST 1598-02 ; National Plan for Science and technology of King Abdulaziz City for Science and Technology(NPST 1598-02 ; National Plan for Science and technology of King Abdulaziz City for Science and Technology(NPST 1598-02 ; National Plan for Science and technology of King Abdulaziz City for Science and Technology(NPST 1598-02 ; National Plan for Science and technology of King Abdulaziz City for Science and Technology(NPST 1598-02 ; National Plan for Science and technology of King Abdulaziz City for Science and Technology(NPST 1598-02 ; National Plan for Science and technology of King Abdulaziz City for Science and Technology(NPST 1598-02 ; National Plan for Science and technology of King Abdulaziz City for Science and Technology(NPST 1598-02 ; National Plan for Science and technology of King Abdulaziz City for Science and Technology(NPST 1598-02 ; National Plan for Science and technology of King Abdulaziz City for Science and Technology(NPST 1598-02 ; National Plan for Science and technology of King Abdulaziz City for Science and Technology(NPST 1598-02 ; Saudi Aramco(6600028398) ; Saudi Aramco(6600028398) ; Saudi Aramco(6600028398) ; Saudi Aramco(6600028398) ; Saudi Aramco(6600028398) ; Saudi Aramco(6600028398) ; 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源URL[http://ir.hfcas.ac.cn:8080/handle/334002/33461]  
专题合肥物质科学研究院_中科院等离子体物理研究所
作者单位1.Beijing Inst Technol, Sch Phys, Beijing 100081, Peoples R China
2.Univ Dublin, Trinity Coll, Sch Phys, Dublin 2, Ireland
3.Univ Dublin, Trinity Coll, CRANN, Dublin 2, Ireland
4.Sultan Qaboos Univ, Dept Phys, Muscat 123, Oman
5.Korea Basic Sci Inst, Western Seoul Ctr, Seoul 03579, South Korea
6.Korea Res Inst Stand & Sci, Div Ind Metrol, Daejeon 305340, South Korea
7.Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Peoples R China
推荐引用方式
GB/T 7714		 Wu, Han-Chun,Liu, Xiao,Coileain, Cormac O.,et al. Competition Between Anti-Phase Boundaries and Charge-Orbital Ordering in Epitaxial Stepped Fe3O4(100) Thin Films[J]. SPIN,2017,7(2).
APA Wu, Han-Chun.,Liu, Xiao.,Coileain, Cormac O..,Xu, Hongjun.,Abid, Mourad.,...&Liu, Huajun.(2017).Competition Between Anti-Phase Boundaries and Charge-Orbital Ordering in Epitaxial Stepped Fe3O4(100) Thin Films.SPIN,7(2).
MLA Wu, Han-Chun,et al."Competition Between Anti-Phase Boundaries and Charge-Orbital Ordering in Epitaxial Stepped Fe3O4(100) Thin Films".SPIN 7.2(2017).

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来源：合肥物质科学研究院

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