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Relative importance of surface anisotropy and defects on loop shifts in antiferromagnetic nanoparticles

文献类型:期刊论文

作者Mao, Z. Q.1; Zhan, X. Z.2; Chen, X.1
刊名Modern physics letters b
出版日期2017-06-30
卷号31期号:18页码:8
关键词Antiferromagnetic nanoparticles Hysteresis loops Surface defects Surface anisotropy
ISSN号0217-9849
DOI10.1142/s0217984917501974
通讯作者Mao, z. q.(zhgmao@scut.edu.cn)
英文摘要The shifts in field-cooling hysteresis loops of antiferromagnetic nanoparticle systems have been widely observed in experiments. here, numerical calculation is used to study the influence of the surface anisotropy and defects. it is found that surface defects alone are sufficient to yield the loop shifts (ls) at proper field angles. neither the disordered nor the radial surface anisotropy is the indispensable ingredient to generate the ls. however, both of them play a role in enhancing the ls. the possible mechanisms are discussed.
WOS关键词NIO NANOPARTICLES ; OXIDE NANOPARTICLES ; MAGNETIC-PROPERTIES ; EXCHANGE BIAS ; COO
WOS研究方向Physics
WOS类目Physics, Applied ; Physics, Condensed Matter ; Physics, Mathematical
语种英语
WOS记录号WOS:000404895800001
出版者WORLD SCIENTIFIC PUBL CO PTE LTD
URI标识http://www.irgrid.ac.cn/handle/1471x/2177265
专题高能物理研究所
通讯作者Mao, Z. Q.
作者单位1.South China Univ Technol, Dept Phys, Guangzhou 510640, Guangdong, Peoples R China
2.Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714
Mao, Z. Q.,Zhan, X. Z.,Chen, X.. Relative importance of surface anisotropy and defects on loop shifts in antiferromagnetic nanoparticles[J]. Modern physics letters b,2017,31(18):8.
APA Mao, Z. Q.,Zhan, X. Z.,&Chen, X..(2017).Relative importance of surface anisotropy and defects on loop shifts in antiferromagnetic nanoparticles.Modern physics letters b,31(18),8.
MLA Mao, Z. Q.,et al."Relative importance of surface anisotropy and defects on loop shifts in antiferromagnetic nanoparticles".Modern physics letters b 31.18(2017):8.

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来源:高能物理研究所

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