DISSIPATIVE EFFECTS IN BI2SR2CA1CU2O8+X AND BI1.7PB0.3SR2CA1CU2O8+X SINGLE-CRYSTALS

被引：0

作者：

AGOSTINELLI, E ^{[1
]}

FIORANI, D ^{[1
]}

FOLCH, R ^{[1
]}

TEJADA, J ^{[1
]}

TESTA, AM ^{[1
]}

机构：

[1] UNIV BARCELONA,DEPT FIS FONAMENTAL,BARCELONA 7,SPAIN

来源：

JOURNAL OF THE LESS-COMMON METALS | 1990年 / 164卷

关键词：

D O I：

10.1016/0022-5088(90)90259-M

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Dissipative effects have been investigated in Bi2Sr2Ca1Cu2O8 + x and Bi1.7Pb0.3Sr2Ca1Cu2O8 + x single crystals by critical current and magnetic relaxation measurements. Both crystals consisted of 2212 single phase material (Tc = 85 K and 92 K for the pure and doped samples, respectively). At T = 4.2 K the BPSCCO system exhibited a critical current density one order of magnitude higher and much slower relaxation rates of Mzfc (T = 4.2 K ÷ 20 K) than the pure compound. © 1990.

引用

页码：553 / 558

页数：6

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