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Delocalization of vortex in SmBa2Cu3O7−δ superconducting films with BaHfO3 nano-rods
http://hdl.handle.net/10228/00007100
http://hdl.handle.net/10228/00007100a78b73c3-c9b6-44a0-8490-ccfc22418946
名前 / ファイル | ライセンス | アクション |
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scunit-2018_26.pdf (2.9 MB)
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Item type | 学術雑誌論文 = Journal Article(1) | |||||
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公開日 | 2019-03-28 | |||||
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 | |||||
タイトル | ||||||
タイトル | Delocalization of vortex in SmBa2Cu3O7−δ superconducting films with BaHfO3 nano-rods | |||||
言語 | ||||||
言語 | eng | |||||
著者 |
Tsuchiya, Yuji
× Tsuchiya, Yuji× Awaji, Satoshi× Watanabe, Kazuo× Miura, Shun× Ichino, Yusuke× Yoshida, Yutaka× 松本, 要 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Transport measurements revealed flux pinning properties and vortex phases in SmBa2Cu3O7−δ (Sm123) superconducting films with BaHfO3 nano-rods on LaAlO3 substrates. The films have large matching fields BΦ up to 9.9 T, nano-rod diameters of ∼6 nm, and a slight Tc degradation with Tc ∼ 91.8 K by using the low temperature growth technique. According to the transport results, a small critical exponent ∼4 indicates the presence of a Bose-glass phase in the films. Double peaks of the flux pinning force density are unexpectedly observed at high temperatures over 80 K, which is accompanied by steep drops of the crossover magnetic fields between the single vortex pinning and the collective pinning states. The drops are explained by the delocalization of the vortex where the vortex is pinned by many nano-rods in the single vortex pinning state. From the viewpoint of the vortex delocalization, we conclude that BΦ should be less than 11 T for applications at liquid nitrogen temperature. | |||||
書誌情報 |
Journal of Applied Physics 巻 120, 号 10, p. 103902-1-103902-5, 発行日 2016-09-13 |
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出版社 | ||||||
出版者 | AIP Publishing | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1063/1.4962398 | |||||
日本十進分類法 | ||||||
主題Scheme | NDC | |||||
主題 | 427 | |||||
NCID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00543431 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0021-8979 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1089-7550 | |||||
著作権関連情報 | ||||||
権利情報 | Copyright (c) 2016 Author(s). | |||||
著作権関連情報 | ||||||
権利情報 | The following article has been submitted to/accepted by Journal of Applied Physics. After it is published, it will be found at https://aip.scitation.org/journal/jap. | |||||
出版タイプ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
査読の有無 | ||||||
値 | yes | |||||
連携ID | ||||||
7580 |