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Modulation of Magnetization Precession Trajectories by Perpendicular Magnetic Anisotropy in CoFeB Thin Films
http://hdl.handle.net/10228/00008336
http://hdl.handle.net/10228/00008336aa832d0a-957b-4950-913e-87da233a3f46
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10364589.pdf (427.8 kB)
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| Item type | 学術雑誌論文 = Journal Article(1) | |||||||||||||
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| 公開日 | 2021-06-04 | |||||||||||||
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| 資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||||||||||
| 資源タイプ | journal article | |||||||||||||
| タイトル | ||||||||||||||
| タイトル | Modulation of Magnetization Precession Trajectories by Perpendicular Magnetic Anisotropy in CoFeB Thin Films | |||||||||||||
| 言語 | en | |||||||||||||
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| 言語 | eng | |||||||||||||
| 著者 |
Deka, Angshuman
× Deka, Angshuman× Tanaka, Iori× Mohan, John Rex× 福間, 康裕
WEKO
25415
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| 内容記述タイプ | Abstract | |||||||||||||
| 内容記述 | Precession trajectories during excitation of magnetization dynamics play an important role in determining spin wave propagation, emission power of spin torque oscillator, and spin current generated by spin pumping. However, comparatively little information has emerged on the effect of perpendicular magnetic anisotropy (PMA) on dynamical magnetization trajectories. The effect of PMA on magnetization dynamics has become particularly important since the discovery of voltage control of magnetic anisotropy in CoFeB/MgO junctions. This motivates us to investigate the effect of PMA on dynamical magnetization trajectories of CoFeB thin films using micromagnetic simulations. The ellipticity of the trajectories is found to increase monotonically with PMA. On the other hand, the area of such elliptical trajectories, which determine the spin current generation, shows a non-monotonous change with respect to PMA. This area can be expected to be maximum for the case where ellipticity is ~0.5. | |||||||||||||
| 言語 | en | |||||||||||||
| 書誌情報 |
en : IEEE Transactions on Magnetics 巻 56, 号 7, 発行日 2020-04-13 |
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| 出版者 | IEEE | |||||||||||||
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| 関連タイプ | isVersionOf | |||||||||||||
| 識別子タイプ | DOI | |||||||||||||
| 関連識別子 | https://doi.org/10.1109/TMAG.2020.2987288 | |||||||||||||
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| 主題Scheme | NDC | |||||||||||||
| 主題 | 427 | |||||||||||||
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| 収録物識別子タイプ | PISSN | |||||||||||||
| 収録物識別子 | 0018-9464 | |||||||||||||
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| 収録物識別子タイプ | EISSN | |||||||||||||
| 収録物識別子 | 1941-0069 | |||||||||||||
| 著作権関連情報 | ||||||||||||||
| 権利情報 | Copyright (c) 2020 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE. | |||||||||||||
| キーワード | ||||||||||||||
| 主題Scheme | Other | |||||||||||||
| 主題 | Ferromagnetic resonance (FMR) | |||||||||||||
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| 主題Scheme | Other | |||||||||||||
| 主題 | magnetic anisotropy | |||||||||||||
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| 主題Scheme | Other | |||||||||||||
| 主題 | magnetization precession trajectories | |||||||||||||
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| 主題Scheme | Other | |||||||||||||
| 主題 | magnetodynamics | |||||||||||||
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| 主題Scheme | Other | |||||||||||||
| 主題 | spin pumping | |||||||||||||
| 出版タイプ | ||||||||||||||
| 出版タイプ | AM | |||||||||||||
| 出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||||||||||
| 査読の有無 | ||||||||||||||
| 値 | yes | |||||||||||||
| 研究者情報 | ||||||||||||||
| URL | https://hyokadb02.jimu.kyutech.ac.jp/html/100000402_ja.html | |||||||||||||
| 論文ID（連携） | ||||||||||||||
| 値 | 10364589 | |||||||||||||
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| 値 | 8936 | |||||||||||||
