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Enhancement of critical current density and mechanism of vortex pinning in H+-irradiated FeSe single crystal
https://repo.qst.go.jp/records/47358
https://repo.qst.go.jp/records/473580be7e8f7-ed6c-40cd-b270-6e552d96ae0b
| Item type | 学術雑誌論文 / Journal Article(1) | |||||
|---|---|---|---|---|---|---|
| 公開日 | 2016-01-18 | |||||
| タイトル | ||||||
| タイトル | Enhancement of critical current density and mechanism of vortex pinning in H+-irradiated FeSe single crystal | |||||
| 言語 | ||||||
| 言語 | eng | |||||
| 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 | journal article | |||||
| アクセス権 | ||||||
| アクセス権 | metadata only access | |||||
| アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
| 著者 |
Sun, Yue
× Sun, Yue× Pyon, Sunseng× Tamegai, Tsuyoshi× Kobayashi, Ryo× Watashige, Tatsuya× Kasahara, Shigeru× Matsuda, Yuji× Shibauchi, Takasada× Kitamura, Hisashi× Ｓｕｎ Ｙｕｅ× 卞 舜生× 為ケ井 強× 北村 尚 |
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| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | We report a comprehensive study of the effect of H+ irradiation on the critical current density Jc and vortex pinning in an FeSe single crystal. The value of Jc for FeSe is enhanced by more than a factor of 2 after 3-MeV H+ irradiation, which is explained by the introduction of point pinning centers. Vortex creep rates are found to be strongly suppressed after irradiation. Detailed analyses of the pinning energy based on collective-creep-theory and an extended Maley's method show that the H+ irradiation enhances the value of Jc before the flux creep and also reduces the size of the flux bundle, which suppresses the field dependence of Jc owing to vortex motion. | |||||
| 書誌情報 |
Applied Physics Express 巻 8, 号 11, p. 113102-1-113102-4, 発行日 2015-10 |
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| 出版者 | ||||||
| 出版者 | IOP SCIENCE | |||||
| ISSN | ||||||
| 収録物識別子タイプ | ISSN | |||||
| 収録物識別子 | 1882-0778 | |||||
| DOI | ||||||
| 識別子タイプ | DOI | |||||
| 関連識別子 | 10.7567/APEX.8.113102 | |||||
| 関連サイト | ||||||
| 識別子タイプ | URI | |||||
| 関連識別子 | http://iopscience.iop.org/article/10.7567/APEX.8.113102/meta | |||||
| 関連名称 | http://iopscience.iop.org/article/10.7567/APEX.8.113102/meta | |||||
