HIGH OXYGEN-PRESSURE SYNTHESIS OF THE PRBA2CU4O8 COMPOUND

被引：42

作者：

YAMADA, Y

HORII, S

YAMADA, N

GUO, Z

KODAMA, Y

KAWAMOTO, K

MIZUTANI, U

HIRABAYASHI, I

机构：

[1] UNIV ELECTRO COMMUN,TOKYO 182,JAPAN

[2] NATL IND RES INST NAGOYA,NAGOYA,AICHI 462,JAPAN

[3] ISTEC,SUPERCONDUCT RES LAB,NAGOYA,AICHI 456,JAPAN

来源：

PHYSICA C | 1994年 / 231卷 / 1-2期

关键词：

D O I：

10.1016/0921-4534(94)90152-X

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The PrBa2Cu4O8 compound with a trace of BaCuO3 and PrBaO3 was synthesized for the first time by annealing at the temperature of 957 degrees C under 5 atm oxygen pressure. The content of the PrBaO3 is estimated to be less than 0.2%. The superconducting transition was not detected down to 2 K. The magnitude of the resistivity and its temperature dependence are consistent with the possession of a metallic character in this compound in contrast to the semiconducting behavior reported previously for the PrBa2CU3O7-delta compound. The effective magnetic moment, mu(eff), estimated from the Curie-Weiss fitting to the magnetic susceptibility data, turns out to be 2.67 mu(B).

引用

页码：131 / 136

页数：6

共 25 条

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