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Magnetic field dependences of the glass-liquid transition temperature (Tg) were studied in YBa2Cu3O7−x films containing various types of nanoinclusions. The vortex configuration entangled or straight and pinning strength for each vortex are crucial to the behaviors of Tg. c-axis correlated pinning centers optimize these factors and achieve the upper limit of Tg, which is determined by loss of line tension of vortices, if they are elongated through a thickness of a sample. By optimizing pinning centers, critical temperature, and a matching field, a Tg value of 77 K can be obtained in YBa2Cu3O7−x in a magnetic field as high as 27 T.
収録刊行物
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- Physical review. Third series. B, Condensed matter and materials physic
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Physical review. Third series. B, Condensed matter and materials physic 79 (9), 092504-1-092504-4, 2009-03-10
Published by the American Physical Society through the American Institute of Physics
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詳細情報 詳細情報について
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- CRID
- 1050282813887683328
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- NII論文ID
- 120006028148
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- NII書誌ID
- AA11187113
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- ISSN
- 24699969
- 10980121
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- HANDLE
- 10228/00006141
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- 本文言語コード
- en
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- 資料種別
- journal article
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- データソース種別
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- IRDB
- CiNii Articles