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Perpendicular and in-plane magnetic anisotropies in Cr-buffered Fe(x)/MgO interface from first-principles approach
https://doi.org/10.24517/00054025
https://doi.org/10.24517/00054025e411d1bb-6373-489c-94dd-45d6f9d46880
名前 / ファイル | ライセンス | アクション |
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Sci_Rep62-23-35.pdf (1.3 MB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2019-05-21 | |||||
タイトル | ||||||
タイトル | Perpendicular and in-plane magnetic anisotropies in Cr-buffered Fe(x)/MgO interface from first-principles approach | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | magnetic anisotropy | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | magnetic thin film | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Fe/MgO interface | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | MRAM | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | departmental bulletin paper | |||||
ID登録 | ||||||
ID登録 | 10.24517/00054025 | |||||
ID登録タイプ | JaLC | |||||
著者 |
Ikhsan, Nurul
× Ikhsan, Nurul× Kanagawa, Tomosato× Pardede, Indra× Yoshikawa, Daiki× Oda, Tatsuki |
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著者別表示 |
小田, 竜樹
× 小田, 竜樹 |
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書誌情報 |
The Science Reports of Kanazawa University 巻 62, p. 23-35, 発行日 2018 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2433-040X | |||||
出版者 | ||||||
出版者 | Institute of Science and Engineering, Kanazawa University | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Electronic structure and magnetic anisotropy energy (MAE) of Cr-buffered Fe/MgO interface were investigated in terms of thickness dependence by means of a fully relativistic density functional approach. The electronic structure indicated that the interface state gets occupied unlike a typical rigid band picture as the number of Fe layers decreases, leading large perpendicular anisotropies in the oscillating behavior for its thickness dependence. The maximum of the MAE originating from spin-orbit interaction (SOI) reaches 2mJ/m2. It was found that the saddle point nature and dispersionless at the Fermi level may be an origin of its large perpendicular magnetic anisotropy. To evaluate the MAE originating from SOI, the in-plane shape magnetic anisotropy originating from magnetic dipole interaction (MDI) was estimated. The calculated MAE from MDI required a suppression of the calculated total magnetization for realizing a fair agreement with an experimental MAE. With using a rescaled magnetization it was found that a possible perpendicular anisotropy may appear in the thickness range of experimental data. |
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著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://scirep.w3.kanazawa-u.ac.jp/ | |||||
関連名称 | http://scirep.w3.kanazawa-u.ac.jp/ |