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Magnetic interactions in anisotropic Nd-Dy-Fe-Co-B/alpha-Fe multilayer magnets
Dai, ZM; Liu, W; Zhao, XT; Han, Z; Kim, D; Choi, CJ; Zhang, ZD; Liu, W (reprint author), Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Peoples R China.
2016-10-28
Source PublicationJOURNAL OF APPLIED PHYSICS
ISSN0021-8979
Volume120Issue:16
AbstractThe magnetic properties and the possible interaction mechanisms of anisotropic soft-and hard-magnetic multilayers have been investigated by altering the thickness of different kinds of spacer layers. The metal Ta and the insulating oxides MgO, Cr2O3 have been chosen as spacer layers to investigate the characteristics of the interactions between soft-and hard-magnetic layers in the anisotropic Nd-Dy-Fe-Co-B/alpha-Fe multilayer system. The dipolar and exchange interaction between hard and soft phases are evaluated with the help of the first order reversal curve method. The onset of the nucleation field and the magnetization reversal by domain wall movement are also evident from the first-order-reversal-curve measurements. Reversible/irreversible distributions reveal the natures of the soft-and hard-magnetic components. Incoherent switching fields are observed and the calculations show the semiquantitative contributions of hard and soft components to the system. An antiferromagnetic spacer layer will weaken the interaction between ferromagnetic layers and the effective interaction length decreases. As a consequence, the dipolar magnetostatic interaction may play an important role in the long-range interaction in anisotropic multilayer magnets. Published by AIP Publishing.
description.department[dai, z. m. ; liu, w. ; zhao, x. t. ; han, z. ; zhang, z. d.] chinese acad sci, shenyang natl lab mat sci, inst met res, shenyang 110016, peoples r china ; [kim, d. ; choi, c. j.] korea inst mat sci, powder & ceram div, 797 changwon daero, chang won 642831, south korea
Subject AreaPhysics, Applied
Funding OrganizationNational Nature Science Foundation of China [51590883, 51471167]; Ministry of Science, ICT and Future Planning/Korea Research Council for Industrial Science and Technology
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/76229
Collection中国科学院金属研究所
Corresponding AuthorLiu, W (reprint author), Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Peoples R China.
Recommended Citation
GB/T 7714
Dai, ZM,Liu, W,Zhao, XT,et al. Magnetic interactions in anisotropic Nd-Dy-Fe-Co-B/alpha-Fe multilayer magnets[J]. JOURNAL OF APPLIED PHYSICS,2016,120(16).
APA Dai, ZM.,Liu, W.,Zhao, XT.,Han, Z.,Kim, D.,...&Liu, W .(2016).Magnetic interactions in anisotropic Nd-Dy-Fe-Co-B/alpha-Fe multilayer magnets.JOURNAL OF APPLIED PHYSICS,120(16).
MLA Dai, ZM,et al."Magnetic interactions in anisotropic Nd-Dy-Fe-Co-B/alpha-Fe multilayer magnets".JOURNAL OF APPLIED PHYSICS 120.16(2016).
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