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Spin-wave resonance frequency in a multi-layer film
Qiu, Rong-ke; Ma, Feng-jiao; Zhang, Zhi-dong; rkqiu@163.com
2015
发表期刊JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
ISSN0304-8853
卷号394页码:454-462
摘要The spin-wave resonance (SWR) frequency in a ferromagnetic bilayer or triple-layer film (for bilayer or triple-layer films, including symmetric and asymmetric films) with single-ion anisotropy has been studied by using the linear spin-wave approximation and Green's function technique. The effects of interfacial coupling, surface anisotropy, interface anisotropy, bulk anisotropy and external magnetic held on the SWR frequency have been investigated. For a ferromagnetic bilayer or triple-layer film, the SWR frequencies (for the same spin-wave modes) all increase with increasing external magnetic field, surface anisotropy, interface anisotropy and bulk anisotropy and with decreasing film thickness. As the interfacial coupling increases, the SWR frequencies of some modes increase, while the SWR frequencies of the other modes do not change. The SWR frequencies of a triple-layer film are different from those of a bilayer film and the SWR frequencies of an asymmetric film are also different from those of a symmetric film The present results show the method to enhance and adjust the SWR frequency of ferromagnetic multi-layer films. (C) 2015 Elsevier B.V. All rights reserved
部门归属[qiu, rong-ke ; ma, feng-jiao] shenyang univ technol, shenyang 110870, peoples r china ; [zhang, zhi-dong] chinese acad sci, shenyang natl lab mat sci, inst met res, shenyang 110016, peoples r china ; [zhang, zhi-dong] chinese acad sci, int ctr mat phys, shenyang 110016, peoples r china
关键词Ferromagnetic Multi-layer Film Spin-wave Resonance Frequency Surface And Interface Anisotropies Interfacial Coupling
资助者National Natural Science Foundation of China [51331006]
收录类别sci
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/75128
专题中国科学院金属研究所
通讯作者rkqiu@163.com
推荐引用方式
GB/T 7714
Qiu, Rong-ke,Ma, Feng-jiao,Zhang, Zhi-dong,et al. Spin-wave resonance frequency in a multi-layer film[J]. JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS,2015,394:454-462.
APA Qiu, Rong-ke,Ma, Feng-jiao,Zhang, Zhi-dong,&rkqiu@163.com.(2015).Spin-wave resonance frequency in a multi-layer film.JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS,394,454-462.
MLA Qiu, Rong-ke,et al."Spin-wave resonance frequency in a multi-layer film".JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 394(2015):454-462.
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