Oxygen-Defect Perovskite Structure with Superconducting T_c above 50 K in La-Ba-Cu-O Compound System
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概要
- 論文の詳細を見る
It is shown experimentally that the La-Ba-Cu-O system has a new high-T_c phase La_2Ba_4Cu_6O_<14+y> with oxygen-defect perovskite structure, other than the well-known La_<2-x>Ba_xCuO_4 with K_2NiF_4 structure. The new phase shows a superconducting transition at much higher temperatures (T_c onset>55 K, T_c endpoint>42 K) as compared with the K_2NiF_4 type phase.
- 社団法人応用物理学会の論文
- 1987-05-20
著者
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Hikita M
Ntt Advanced Technol. Corp. Ibaraki Jpn
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Hikita Makoto
Ntt Photonics Laboratories
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Hikita Makoto
Ntt Electrical Communications Laboratories
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Semba Kouichi
Ntt Electrical Communications Laboratories:(present Address) Ntt Basic Research Laboratories
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TSURUMI Shigeyuki
NTT Opto-Electronics Laboratory
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IWATA Tsunekazu
NTT Opto-Electronics Laboratory
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TSURUMI Shigeyuki
NTT Electrical Communications Laboratories
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IWATA Tsunekazu
NTT Electrical Communications Laboratories
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KURIHARA Susumu
NTT Electrical Communications Laboratories
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Kurihara S
Ntt Basic Res. Lab. Kanagawa Jpn
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Iwata T
Hokkaido Tokai Univ. Sapporo Jpn
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KURIHARA SUSUMU
NTT Electrical Communication Laboratories
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