Possibility of a Very High Upper Critical Field of the New High Tc Superconductor La-Ba-Cu Oxide
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- Kobayashi Norio
- The Research Institute for Iron, Steel and Other Metals, Tohoku University
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- Oh-ishi Katsuyoshi
- The Research Institute for Iron, Steel and Other Metals, Tohoku University
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- Sasaoka Takaaki
- The Research Institute for Iron, Steel and Other Metals, Tohoku University
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- Kikuchi Masae
- The Research Institute for Iron, Steel and Other Metals, Tohoku University
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- Sasaki Takako
- The Research Institute for Iron, Steel and Other Metals, Tohoku University
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- Murase Satoru
- Toshiba R&D Center
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- Noto Koshichi
- The Research Institute for Iron, Steel and Other Metals, Tohoku University
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- Syono Yasuhiko
- The Research Institute for Iron, Steel and Other Metals, Tohoku University
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- Muto Yoshio
- The Research Institute for Iron, Steel and Other Metals, Tohoku University
書誌事項
- タイトル別名
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- Possibility of a Very High Upper Critical Field of the New High <I>T</I><SUB>c</SUB> Superconductor La–Ba–Cu Oxide
- Possibility of a Very High Upper Critic
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The electrical resistance of La–Ba–Cu oxide has been measured under magnetic fields up to 21.1 Tesla between 4.2 and 50 K. One of the samples completely recovers the normal state resistance at 33.5 K in H=0, and at 25 K in H=21.1 Tesla. Results show that La–Ba–Cu oxide shows really superconductivity and the upper critical field at 0 K, Hc2(0), is estimated to be 56 Tesla according to the dirty limit theory of type II superconductivity. Furthermore, a linear extrapolation of the Hc2(T) curve to 0 K, amounts to 80 Tesla. It is expected that such a La–M–Cu oxide system (Ba, Sr, Ca) is both a very high Tc superconductor as well as very high Hc2 superconductor.
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 56 (4), 1309-1311, 1987
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
- 1390001204186178816
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- NII論文ID
- 110001976257
- 130003899434
- 210000093266
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- NII書誌ID
- AA00704814
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- BIBCODE
- 1987JPSJ...56.1309K
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- COI
- 1:CAS:528:DyaL2sXks1yqu7o%3D
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- ISSN
- 13474073
- 00319015
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- NDL書誌ID
- 3127165
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可