EXTENDED FAMILY OF NEW BI-2222 SUPERCONDUCTING CUPRATES BI2SR2(RARE-EARTH-1-XCEX)2CU2O10+Y

被引：44

作者：

ARIMA, T

TOKURA, Y

TAKAGI, H

UCHIDA, S

BEYERS, R

TORRANCE, JB

机构：

[1] UNIV TOKYO,ENGN RES INST,TOKYO 113,JAPAN

[2] IBM CORP,DIV RES,ALMADEN RES CTR,SAN JOSE,CA 95120

来源：

PHYSICA C | 1990年 / 168卷 / 1-2期

关键词：

D O I：

10.1016/0921-4534(90)90106-O

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report the synthesis of a new class of layered cuprates with BiO bilayers: Bi2Sr2(RE1-xCex)2Cu2O10+y (Bi-2222 phase) with RE=Y, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er and Tm (at x=0.18). Superconductivity is observed for RE=Y, Nd, Sm, Eu, Gd, Dy and Ho, but not for Pr, Tb, Er and Tm. The transition temperature (Tc) is highest for the Gd derivative (34K) and progressively decreases for larger or smaller RE ions. The origin of this effect is discussed. © 1990.

引用

页码：79 / 84

页数：6

共 19 条

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