Structural and Electrical Recovery of YBa_2Cu_3O_x that Absorbed Water by Heat Treatment
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概要
- 論文の詳細を見る
The YBa_2Cu_3O_<6.4> superconductor transforms to a normal conductor with a long lattice spacing of about 13 Å by annealing at around 200℃ in water vapor. Heating the normal conductor to a higher temperature led to the recovery of its structure and superconductivity. The recovery process was investigated by means of powder X-ray diffraction, ac magnetic susceptibility, thermogravimetry and differential scanning calorimetry measurements. The heat flow with an endothermic peak at 260℃ and the weight loss during heating revealed that the recovery is caused by desorption of water.
- 社団法人応用物理学会の論文
- 1999-10-15
著者
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Takama Toshihiko
Department Of Applied Physics Faculty Of Engineering Hokkaido University
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Edo Shoichi
Department of Mechanical System Technology, Hokkaido Polytechnic College
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Edo Shoichi
Department Of Mechanical System Technology Hokkaido Polytechnic College
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