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Magnetic bubbles and domain evolution in Fe/Gd multilayer nanodots
Wang, TT; Liu, W; Dai, ZM; Zhao, XT; Zhao, XG; Zhang, ZD; Liu, W (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Liaoning, Peoples R China.
2018-04-01
发表期刊JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
ISSN0304-8853
卷号451页码:660-664
摘要The formation of magnetic bubbles and the domain-evolution processes, induced by a perpendicular magnetic field in Fe/Gd multilayer films and nanodots, have been investigated. At room temperature, the stripe domains in a continuous film transform into magnetic bubbles in an external field, while bubbles form spontaneously in nanodots due to the existence of shape anisotropy. When the temperature decreases to 20 K, the enhancement of the perpendicular magnetic anisotropy of the samples results in an increase of the domain size in the continuous film and the magnetization-reversal behavior of each nanodot becomes independent, and most reversed dots do not depend on each other, indicating the magnetic characteristics of a single domain. The present research provides further understanding of the evolution of magnetic bubbles in the Fe/Gd system and suggests their promising applications in patterned recording materials. (C) 2017 Elsevier B.V. All rights reserved.; The formation of magnetic bubbles and the domain-evolution processes, induced by a perpendicular magnetic field in Fe/Gd multilayer films and nanodots, have been investigated. At room temperature, the stripe domains in a continuous film transform into magnetic bubbles in an external field, while bubbles form spontaneously in nanodots due to the existence of shape anisotropy. When the temperature decreases to 20 K, the enhancement of the perpendicular magnetic anisotropy of the samples results in an increase of the domain size in the continuous film and the magnetization-reversal behavior of each nanodot becomes independent, and most reversed dots do not depend on each other, indicating the magnetic characteristics of a single domain. The present research provides further understanding of the evolution of magnetic bubbles in the Fe/Gd system and suggests their promising applications in patterned recording materials. (C) 2017 Elsevier B.V. All rights reserved.
部门归属[liu, w.] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, liaoning, peoples r china ; univ sci & technol china, sch mat sci & engn, shenyang 110016, liaoning, peoples r china
关键词Films Anisotropy Mfm
学科领域Materials Science, Multidisciplinary ; Physics, Condensed Matter
资助者State Key Project of Research and Development of China [2017YFA0206302]; National Nature Science Foundation of China [51590883, 51471167]; project of the Chinese Academy of Sciences [KJZD-EW-M05-3]
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/321006/79404
专题中国科学院金属研究所
通讯作者Liu, W (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Liaoning, Peoples R China.
推荐引用方式
GB/T 7714
Wang, TT,Liu, W,Dai, ZM,et al. Magnetic bubbles and domain evolution in Fe/Gd multilayer nanodots[J]. JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS,2018,451:660-664.
APA Wang, TT.,Liu, W.,Dai, ZM.,Zhao, XT.,Zhao, XG.,...&Liu, W .(2018).Magnetic bubbles and domain evolution in Fe/Gd multilayer nanodots.JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS,451,660-664.
MLA Wang, TT,et al."Magnetic bubbles and domain evolution in Fe/Gd multilayer nanodots".JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 451(2018):660-664.
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