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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
Source PublicationJOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
ISSN0304-8853
Volume451Pages:660-664
AbstractThe 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.
description.department[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
KeywordFilms Anisotropy Mfm
Subject AreaMaterials Science, Multidisciplinary ; Physics, Condensed Matter
Funding OrganizationState 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]
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/79404
Collection中国科学院金属研究所
Corresponding AuthorLiu, W (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Liaoning, Peoples R China.
Recommended Citation
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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