Critical Sheet Resistance for Global Superconductivity in Granular Aluminum Films
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- Kobayashi Shun-ichi
- Department of Physics, Faculty of Science, University of Tokyo
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- Nakamura Akihiko
- Department of Physics, Faculty of Science, University of Tokyo
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- Komori Fumio
- Department of Physics, Faculty of Science, University of Tokyo
書誌事項
- タイトル別名
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- Critical Sheet Resistance for Global Su
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説明
The temperature and magnetic field dependence of sheet resistance was measured in aluminum granular films which consisted of 10 A grains and thin oxides on grain surfaces. For the samples with normal resistance less than 6 kohm, a superconducting transition was observed, while the others behaved as insulators. The transition between superconductor and insulator was induced also by a magnetic field, and the normal sheet resistance at the boundary was 6.7 kohm. The results are discussed in connection with the theories for the universal critical resistance RQ (=h/4e2), and with the results of previous experiments for films of larger grains.
収録刊行物
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- Ｊｏｕｒｎａｌ ｏｆ ｔｈｅ Ｐｈｙｓｉｃａｌ Ｓｏｃｉｅｔｙ ｏｆ Ｊａｐａｎ
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Ｊｏｕｒｎａｌ ｏｆ ｔｈｅ Ｐｈｙｓｉｃａｌ Ｓｏｃｉｅｔｙ ｏｆ Ｊａｐａｎ 59 (12), 4219-4222, 1990
一般社団法人 日本物理学会
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詳細情報 詳細情報について
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- CRID
- 1390282679154812544
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- NII論文ID
- 110001960644
- 130003900483
- 210000095640
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- NII書誌ID
- AA00704814
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- BIBCODE
- 1990JPSJ...59.4219K
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- COI
- 1:CAS:528:DyaK3MXpt12ksg%3D%3D
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- ISSN
- 13474073
- 00319015
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- NDL書誌ID
- 3688087
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- 本文言語コード
- en
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