THE IRREVERSIBILITY LINE OF (BI, PB)2SR2CA2CU3O10 DETERMINED BY DC MAGNETIZATION

被引：8

作者：

GREEN, SM ^{[1
]}

LOBB, CJ ^{[1
]}

GREENE, RL ^{[1
]}

机构：

[1] IBM CORP,DIV RES,YORKTOWN HTS,NY 10598

来源：

IEEE TRANSACTIONS ON MAGNETICS | 1991年 / 27卷 / 02期

关键词：

D O I：

10.1109/20.133966

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The irreversibility line, H* (T), of caxis aligned Bi1.65Pb0.35Sr2Ca2Cu3O10 is analyzed based on dc magnetization measurements for fields up to 50 kOe. Its temperature dependence is found to depend strongly on the criterion used to determine irreversibility. Using sensitivity criteria of 5, 15 and 25 x 10(-5) emu, the low field data fit H* approximately H(O)* (1-T/Tc)gamma with gamma almost-equal-to 2.3 - 2.6 and H(O)* approximately 1.8 x 10(4) emu. Using fitted curves, the irreversibility line follows this equation over the entire field range with gamma almost-equal-to 3.2 and H(O)* approximately 35 x 10(4) emu.

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页码：1061 / 1064

页数：4

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