NORMAL AND SUPERCONDUCTING PROPERTIES OF PB2SR2Y1-XCAXCU3O8+DELTA .1. DEPENDENCE ON THE CA CONCENTRATION

被引：44

作者：

KOIKE, Y

MASUZAWA, M

NOJI, T

SUNAGAWA, H

KAWABE, H

KOBAYASHI, N

SAITO, Y

机构：

[1] TATSUTA ELECT WIRE & CABLE CO LTD, HIGASHI, OSAKA 578, JAPAN

[2] TOHOKU UNIV, INST MAT RES, SENDAI, MIYAGI 980, JAPAN

来源：

PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS | 1990年 / 170卷 / 1-2期

关键词：

D O I：

10.1016/0921-4534(90)90239-B

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Normal and superconducting properties of ceramic samples of Pb2Sr2Y1-xCaxCu3O8+δ have been investigated in the wide compositional range of 0≦x≦0.8 and δ∼0. The superconducting transition temperature Tc appears in samples of x≧0.15 and takes a maximum value (Tc, onset=83 K, Tc, zero=75 K) at x=0.5. This is discussed in relation to x-dependences of the electrical resistivity, the Hall coefficient, the magnetic susceptibility, the upper critical field and the activation energy of the resistive tail in a magnetic field. It is found that these properties of Pb2Sr2Y1-xCaxCu3O8+δ are very similar to those of other high-Tc superconductors with pyramidal CuO2 layers such as Bi2Sr2Ca1-xYxCu2O8+δ. © 1990.

引用

页码：130 / 138

页数：9

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