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Exchange bias and phase transformation in alpha-Fe2O3/Fe3O4 nanocomposites
Liu, X. H.; Cui, W. B.; Liu, W.1; Zhao, X. G.; Li, D.; Zhang, Z. D.
Corresponding AuthorLiu, W.(wliu@imr.ac.cn)
2009-05-05
Source PublicationJOURNAL OF ALLOYS AND COMPOUNDS
ISSN0925-8388
Volume475Issue:1-2Pages:42-45
AbstractThe phase transformation and magnetic properties of antiferromagnetic (AFM) alpha-Fe2O3/ferromagnetic (FI) Fe3O4 nanocomposites have been investigated. A large negative exchange bias field is observed for alpha-Fe2O3 powders milled for 6 h, due to the existence of the exchange interaction between AFM alpha-Fe2O3 and FI Fe3O4. In addition, an obvious exchange bias is found in powders with either AFM alpha-Fe2O3 or FI Fe3O4 single phase coated by an amorphous layer, indicating that the interfacial status and domain structure may play very important roles on the exchange interaction between the grains. (C) 2008 Elsevier B.V. All rights reserved.
KeywordPhase transformation Exchange bias Milling
Funding OrganizationNational Nature Science Foundation of China
DOI10.1016/j.jallcom.2008.07.097
Indexed BySCI
Language英语
Funding ProjectNational Nature Science Foundation of China[50331030] ; National Nature Science Foundation of China[50571098]
WOS Research AreaChemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectChemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000265911700023
PublisherELSEVIER SCIENCE SA
Citation statistics
Cited Times:15[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/98723
Collection中国科学院金属研究所
Corresponding AuthorLiu, W.
Affiliation1.Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
2.Chinese Acad Sci, Int Ctr Mat Phys, Shenyang 110016, Peoples R China
3.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Liu, X. H.,Cui, W. B.,Liu, W.,et al. Exchange bias and phase transformation in alpha-Fe2O3/Fe3O4 nanocomposites[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2009,475(1-2):42-45.
APA Liu, X. H.,Cui, W. B.,Liu, W.,Zhao, X. G.,Li, D.,&Zhang, Z. D..(2009).Exchange bias and phase transformation in alpha-Fe2O3/Fe3O4 nanocomposites.JOURNAL OF ALLOYS AND COMPOUNDS,475(1-2),42-45.
MLA Liu, X. H.,et al."Exchange bias and phase transformation in alpha-Fe2O3/Fe3O4 nanocomposites".JOURNAL OF ALLOYS AND COMPOUNDS 475.1-2(2009):42-45.
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