このアイテムのアクセス数: 1

このアイテムのファイル:
ファイル 記述 サイズフォーマット 
srep23933.pdf914.89 kBAdobe PDF見る/開く
タイトル: Field-driven domain wall motion under a bias current in the creep and flow regimes in Pt/[CoSiB/Pt]N nanowires
著者: Choi, Y. H.
Yoshimura, Y.
Kim, K.-J.
Lee, K.
Kim, T. W.
Ono, T.
You, C.-Y.
Jung, M. H.
著者名の別形: 吉村, 瑶子
小野, 輝男
キーワード: Electronic devices
Magnetic devices
発行日: 31-Mar-2016
出版者: Springer Nature
誌名: Scientific Reports
巻: 6
論文番号: 23933
抄録: The dynamics of magnetic domain wall (DW) in perpendicular magnetic anisotropy Pt/[CoSiB/Pt]N nanowires was studied by measuring the DW velocity under a magnetic field (H) and an electric current (J) in two extreme regimes of DW creep and flow. Two important findings are addressed. One is that the field-driven DW velocity increases with increasing N in the flow regime, whereas the trend is inverted in the creep regime. The other is that the sign of spin current-induced effective field is gradually reversed with increasing N in both DW creep and flow regimes. To reveal the underlying mechanism of new findings, we performed further experiment and micromagnetic simulation, from which we found that the observed phenomena can be explained by the combined effect of the DW anisotropy, Dzyaloshinskii-Moriya interaction, spin-Hall effect, and spin-transfer torques. Our results shed light on the mechanism of DW dynamics in novel amorphous PMA nanowires, so that this work may open a path to utilize the amorphous PMA in emerging DW-based spintronic devices.
著作権等: This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material.
URI: http://hdl.handle.net/2433/227468
DOI(出版社版): 10.1038/srep23933
出現コレクション:学術雑誌掲載論文等

アイテムの詳細レコードを表示する

Export to RefWorks


出力フォーマット 


このリポジトリに保管されているアイテムはすべて著作権により保護されています。