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Tuning the microstructure and vortex pinning properties of YBCO-based superconducting nanocomposite films by controlling the target rotation speed
http://hdl.handle.net/10228/00006266
http://hdl.handle.net/10228/00006266596d8894-8255-4881-a9ca-d8df9b3be9c3
名前 / ファイル | ライセンス | アクション |
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scunit-2017_06.pdf (911.9 kB)
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Item type | 学術雑誌論文 = Journal Article(1) | |||||||||||||||
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公開日 | 2017-07-25 | |||||||||||||||
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 | Tuning the microstructure and vortex pinning properties of YBCO-based superconducting nanocomposite films by controlling the target rotation speed | |||||||||||||||
言語 | ||||||||||||||||
言語 | eng | |||||||||||||||
著者 |
Jha, Alok K.
× Jha, Alok K.× 松本, 要× 堀出, 朋哉
WEKO
27794
× サイニ, シリカント
WEKO
20278
× Mele, Paolo× Yoshida, Yutaka× Awaji, Satoshi |
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抄録 | ||||||||||||||||
内容記述タイプ | Abstract | |||||||||||||||
内容記述 | We report the controlled incorporation of perovskite, BaSnO3 (BSO), and double-perovskite, YBa2NbO6 (YBNO), nanocolumnar structures into a YBa2Cu3O7−δ (YBCO) film matrix by controlling the target rotation speed. A surface modified target approach has been employed to deposit YBCO+BSO and YBCO+YBNO nanocomposite films using a laser ablation technique. The effect of target rotation speed on the microstructure and subsequently on the superconducting properties has been studied in detail. The density of BSO and YBNO nanocolumnar structures is found to depend on the target rotation speed, which subsequently affects the vortex pinning properties of the superconducting films in the absence and presence of applied magnetic fields. Three rotation speeds, 3, 2 and 1 s/rot., have been attempted in this study. Compared to pure YBCO, the YBCO+BSO and YBCO+YBNO nanocomposite films exhibit superior in-field critical current density (JC) and also exhibit a strong JC peak for H ∥ c-axis, indicating strong c-axis pinning. The irreversibility line has also been found to improve significantly in the nanocomposite films. For both the target combinations (YBCO+BSO and YBCO+YBNO), the target rotation speed of 2 s/rot. has been found to give the optimum superconducting properties. | |||||||||||||||
書誌情報 |
Superconductor Science & Technology 巻 27, 号 2, p. 025009, 発行日 2013-12-19 |
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出版者 | IOP Publishing | |||||||||||||||
DOI | ||||||||||||||||
関連タイプ | isVersionOf | |||||||||||||||
識別子タイプ | DOI | |||||||||||||||
関連識別子 | https://doi.org/10.1088/0953-2048/27/2/025009 | |||||||||||||||
ISSN | ||||||||||||||||
収録物識別子タイプ | ISSN | |||||||||||||||
収録物識別子 | 0953-2048 | |||||||||||||||
著作権関連情報 | ||||||||||||||||
権利情報 | Copyright (c) 2014 IOP Publishing Ltd. This is an author-created, un-copyedited version of an article accepted for publication in Superconductor Science and Technology. The publisher is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at 10.1088/0953-2048/27/2/025009. | |||||||||||||||
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 | |||||||||||||||
連携ID | ||||||||||||||||
6226 | ||||||||||||||||
資料タイプ | ||||||||||||||||
内容記述タイプ | Other | |||||||||||||||
内容記述 | Journal Article | |||||||||||||||
著者所属 | ||||||||||||||||
Department of Materials Science and Engineering, Kyushu Institute of Technology | ||||||||||||||||
著者所属 | ||||||||||||||||
Department of Materials Science and Engineering, Kyushu Institute of Technology | ||||||||||||||||
著者所属 | ||||||||||||||||
Department of Materials Science and Engineering, Kyushu Institute of Technology | ||||||||||||||||
著者所属 | ||||||||||||||||
Institute for Sustainable Sciences and Development, Hiroshima University | ||||||||||||||||
著者所属 | ||||||||||||||||
Institute for Sustainable Sciences and Development, Hiroshima University | ||||||||||||||||
著者所属 | ||||||||||||||||
Department of Energy Engineering and Science, Nagoya University | ||||||||||||||||
著者所属 | ||||||||||||||||
Institute for Materials Research, Tohoku University |