PREPARATION OF 124 SUPERCONDUCTORS USING ONLY ALKOXIDES

被引:6
作者
KORIYAMA, S [1 ]
IKEMACHI, T [1 ]
KAWANO, T [1 ]
YAMAUCHI, H [1 ]
TANAKA, S [1 ]
机构
[1] TOKYO GAS CO LTD,TSURUMI KU,YOKOHAMA,KANAGAWA 230,JAPAN
来源
PHYSICA C | 1991年 / 185卷 / pt 1期
关键词
D O I
10.1016/0921-4534(91)92062-G
中图分类号
O59 [应用物理学];
学科分类号
摘要
The "124" phase (YBa2Cu4O8) is synthesized at a low temperature of 700-degrees-C in O2 gas flow (PO2 = 1 atm) by means of a sol-gel method using only alkoxides. The prepared Cu-butoxide for the present synthesis is soluble up to 36 mMol/l in butanol and hydrolyzable. The sample sintered at 760-degrees-C exhibits superconductivity with the zero-resistance temperature (Tc(R = 0)) at 78 K.
引用
收藏
页码:519 / 520
页数:2
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