英文论文
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文献类型
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Article
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题名
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Magnetic dynamic properties of defective cobalt nanorings: Monte Carlo simulation
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作者
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Ye, QY; Chen, SY; Huang, SK; Wu, JL; Xu, JY; Wang, WJ; Fan, WL; Huang, ZG
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作者单位
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[Ye Qingying; Chen Shuiyuan; Huang Shengkai; Wu Jinling; Xu Juyan; Wang Wenjing; Fan Weilin; Huang Zhigao] Fujian Normal Univ, Coll Phys & Energy, Fujian Prov Key Lab Quantum Manipulat & New Energ, Fuzhou 350117, Fujian, Peoples R China; [Ye Qingying; Chen Shuiyuan; Huang Zhigao] Fujian Prov Collaborat Innovat Ctr Optoelect Semi, Xiamen 361005, Peoples R China
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通讯作者地址
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Fujian Normal Univ, Coll Phys & Energy, Fujian Prov Key Lab Quantum Manipulat & New Energ, Fuzhou 350117, Fujian, Peoples R China.
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Email
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ResearchID
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ORCID
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期刊名称
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JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
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出版社
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ELSEVIER SCIENCE BV
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ISSN
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0304-8853
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出版信息
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2019-03-01, 473:301-305.
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JCR
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3
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影响因子
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2.717
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ISBN
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基金
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Natural Science Foundations of China [11004031, 61574037]; Natural Science Foundations of Fujian Province, China [2016J01007, 2017J01553]; Education Office Foundations of Fujian Province, China [JA15100, ccxl-2017121, 201710394006]
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会议名称
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会议地点
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会议开始日期
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会议结束日期
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关键词
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Defective Co nanoring; Magnetic properties; Monte Carlo simulation; Fast Fourier transformation & micromagnetism method
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摘要
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Base on the Monte Carlo simulation and fast Fourier transformation micromagnetism (FFTM) method, the magnetic dynamic properties of defective Cobalt (Co) nanorings are studied. The simulated results indicate that the hysteresis loops of Co nanorings with small defect are similar to those of the symmetric nanorings. However, when the area of defect increases, the magnetization process of the defective Co nanorings is different from that of symmetric Co nanorings. It is found that the remanence (M-r) of the system increases at first and then decreases with the increase of defect location. Nevertheless, there is a relative stable region in which M-r almost do not change with the defect location varying when the defect is small. The simulated results are well analyzed through the evolution of spin-configurations (SCs) of the defective Co nanorings. The investigation about magnetic dynamic properties of the defective Co nanorings may provide reference for their application in high-density data storage.
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一级学科
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Materials Science, Multidisciplinary; Physics, Condensed Matter
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WOS入藏号
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WOS:000450580900045
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EI收录号
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DOI
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10.1016/j.jmmm.2018.10.038
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ESI
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PHYSICS
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收录于
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SCIE
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