PRESSURE-DEPENDENCE OF SUPERCONDUCTING TRANSITION-TEMPERATURE IN CA-DOPED YBA2CU4O8

被引：24

作者：

MIYATAKE, T ^{[1
]}

KOSUGE, M ^{[1
]}

KOSHIZUKA, N ^{[1
]}

TAKAHASHI, H ^{[1
]}

MORI, N ^{[1
]}

TANAKA, S ^{[1
]}

机构：

[1] UNIV TOKYO,INST SOLID STATE PHYS,MINATO KU,TOKYO 106,JAPAN

来源：

PHYSICA C | 1990年 / 167卷 / 3-4期

关键词：

D O I：

10.1016/0921-4534(90)90345-F

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Measurements of the superconducting transition temperature Tc in Y1-xCaxBa2Cu4O8 (x=0.0, 0.025 and 0.1) are carried out under hydrostatic pressure up to 1.5 GPa. As in other hole-doped superconductors, Tc increases with pressure, and the pressure coefficients of Tc get lower for higher Tc compounds. These variations of dTc/dp seems to be correlated with a difference between the hole concentration in the Cu-O plane and that in the Cu-O chain. © 1990.

引用

页码：297 / 300

页数：4

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