Supercurrent distribution in high-TC superconducting YBa2Cu3O7-y thin films by scanning superconducting quantum interference device microscopy
Applied Physics Letters 77 巻 19 号
3069-3071 頁
2000-11-06 発行
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| ファイル情報(添付) | |
| タイトル ( eng ) |
Supercurrent distribution in high-TC superconducting YBa2Cu3O7-y thin films by scanning superconducting quantum interference device microscopy
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| 作成者 |
Yamaguchi Tetsuji
Iguchi Ienari
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| 収録物名 |
Applied Physics Letters
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| 巻 | 77 |
| 号 | 19 |
| 開始ページ | 3069 |
| 終了ページ | 3071 |
| 抄録 |
The two-dimensional vector mapping of current distributions in high-TC superconducting YBa2Cu3O7-y thin films obtained by converting magnetic-field data measured by scanning superconducting quantum interference device (SQUID) microscopy is reported. The current distribution contains the contributions from both transport supercurrent and vortex current. The transport supercurrent is found to flow mainly along the edge of a stripline, and the numerical calculation based on the simple London model by taking the specific sample-detector geometry into account is given. The agreement between the experimental data and the calculated results is good, demonstrating that the scanning SQUID microscope provides a useful tool for studying the current distribution in a superconductor.
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| 言語 |
英語
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| 資源タイプ | 学術雑誌論文 |
| 出版者 |
American Institute of Physics
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| 発行日 | 2000-11-06 |
| 権利情報 |
Copyright (c) 2000 American Institute of Physics.
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| 出版タイプ | Version of Record（出版社版。早期公開を含む） |
| アクセス権 | オープンアクセス |
| 収録物識別子 |
[ISSN] 0003-6951
[DOI] 10.1063/1.1323991
[NCID] AA00543431
[DOI] http://dx.doi.org/10.1063/1.1323991
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