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大块Y—Ba—Cu—O氧化物的超导电性
SUPERCONDUCTIVITY OF THE LARGE BULK OXIDE COMPOUNDS OF Y-Ba-Cu-O
【摘要】 我们成功地制出了大块Y-Ba-Cu-O氧化物超导体.样品的直径为43.5mm,厚为2mm。将样品敲碎,将其中任意两块进行了测量,其零电阻温度86K,转变宽度2.7K,Tc中点为88.9K。
【Abstract】 The large bulk oxide compounds of Y-Ba-Cu-O have been successfully prepared.The sample is 43.5mm in diameter,2mm thick.The samples is broken to many pieces,arbitrary two pieces among them it measured.Zero resistance temperature is at 86k,with a resistive transition width of 2.7 k,Tc mid point is 88.9k.
【基金】 电子工业部基础研究基金
- 【文献出处】 低温与超导 ,Cryogenics and Superconductivity , 编辑部邮箱 ,1987年03期
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