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Direct observation of magnetic domain evolution in the vicinity of Verwey transition in Fe3O4 thin films
Liu, X. H.; Liu, W.; Dai, Z. M.; Li, S. K.; Wang, T. T.; Cui, W. B.; Li, D.; Komarek, A. C.; Chang, C. F.; Zhang, Z. D.; Liu, XH (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Liaoning, Peoples R China.; Liu, XH (reprint author), Max Planck Inst Chem Phys Solids, Nothnitzerstr 40, D-01187 Dresden, Germany.
2017-11-20
Source PublicationAMER INST PHYSICS
ISSN0003-6951
Volume111Issue:21Pages:-
AbstractWe report a direct observation of magnetic domain evolution near the Verwey transition (TV) in Fe3O4 films. We found the stripe domains in the Fe3O4/Mg2TiO4 film while the irregular domains in the Fe3O4/MgO film and the similar characters of magnetic domains in the vicinity of TV for both samples: the bigger domain size and the higher contrast of the phase signal below TV and the more disordered domain images at TV. Remarkably, the magnetic behaviors can be well understood and the domain-wall energy and the demagnetizing energy can be calculated from the magnetic domains near TV in the Fe3O4/Mg2TiO4 film. Our work presents a demonstration of the low-temperature magnetic domains and gives a new perspective to understand the Verwey transition in Fe3O4 thin films. Published by AIP Publishing.; We report a direct observation of magnetic domain evolution near the Verwey transition (TV) in Fe3O4 films. We found the stripe domains in the Fe3O4/Mg2TiO4 film while the irregular domains in the Fe3O4/MgO film and the similar characters of magnetic domains in the vicinity of TV for both samples: the bigger domain size and the higher contrast of the phase signal below TV and the more disordered domain images at TV. Remarkably, the magnetic behaviors can be well understood and the domain-wall energy and the demagnetizing energy can be calculated from the magnetic domains near TV in the Fe3O4/Mg2TiO4 film. Our work presents a demonstration of the low-temperature magnetic domains and gives a new perspective to understand the Verwey transition in Fe3O4 thin films. Published by AIP Publishing.
description.department[liu, x. h. ; liu, w. ; dai, z. m. ; li, s. k. ; wang, t. t. ; li, d. ; zhang, z. d.] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, liaoning, peoples r china ; [liu, x. h. ; komarek, a. c. ; chang, c. f.] max planck inst chem phys solids, nothnitzerstr 40, d-01187 dresden, germany ; [cui, w. b.] northeastern univ, minist educ, key lab electromagnet proc mat, shenyang 110819, liaoning, peoples r china
Subject AreaPhysics, Applied
Funding OrganizationMax Planck-POSTECH Center for Complex Phase Materials; National Basic Research Program of China [2017YFA0206302]; National Natural Science Foundation of China [51590883, 51331006]; Chinese Academy of Sciences [KJZD-EW-M05-3]
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/78974
Collection中国科学院金属研究所
Corresponding AuthorLiu, XH (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Liaoning, Peoples R China.; Liu, XH (reprint author), Max Planck Inst Chem Phys Solids, Nothnitzerstr 40, D-01187 Dresden, Germany.
Recommended Citation
GB/T 7714
Liu, X. H.,Liu, W.,Dai, Z. M.,et al. Direct observation of magnetic domain evolution in the vicinity of Verwey transition in Fe3O4 thin films[J]. AMER INST PHYSICS,2017,111(21):-.
APA Liu, X. H..,Liu, W..,Dai, Z. M..,Li, S. K..,Wang, T. T..,...&Liu, XH .(2017).Direct observation of magnetic domain evolution in the vicinity of Verwey transition in Fe3O4 thin films.AMER INST PHYSICS,111(21),-.
MLA Liu, X. H.,et al."Direct observation of magnetic domain evolution in the vicinity of Verwey transition in Fe3O4 thin films".AMER INST PHYSICS 111.21(2017):-.
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