ELECTRICAL, MAGNETIC AND SUPERCONDUCTING PROPERTIES IN BI2-XPBXSR2CACU2O8+DELTA

被引：12

作者：

KOYAMA, K ^{[1
]}

KANNO, S ^{[1
]}

NOGUCHI, S ^{[1
]}

机构：

[1] TOYOHASHI UNIV TECHNOL,DEPT ELECT & ELECTR ENGN,TEMPAKU,TOYOHASHI 441,JAPAN

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS | 1990年 / 29卷 / 03期

关键词：

(2212) phase; (2223) phase; Bi[!sub]2-x[!/sub]Pb[!sub]x[!/sub]Sr[!sub]2[!/sub]CaCu[!sub]2[!/sub]O[!sub]B+δ[!/sub; Bi[!sub]2[!/sub]Sr[!sub]2[!/sub]Ca[!sub]1-x[!/sub]Nd[!sub]x[!/sub]Cu[!sub]2[!/sub]O[!sub]8+δ[!/sub; High-T[!sub]c[!/sub] superconductor; Susceptibility; Cu-O][!sup]p[!/sup] valence;

D O I：

10.1143/JJAP.29.L420

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Samples of the Bi2-xPbxSr2CaCu2O8+δ system are prepared to be almost a single phase of the Bi2Sr2CaCu2O8+δ structure for a region of 0≦x≦0.15. Substitution of Pb for Bi ions is observed by EPMA at grain level. The Tc decreases linearly with x in this region. Comparison with the results for the Bi2Sr2Ca1-xNdxCu2O8+δ shows that the hole concentration in [Cu-O] plays a most significant role in determining the Tc in the Bi2Sr2CaCu2O8+δ system. The universal relationship between the hole concentration in [Cu-O] and Tc is determined in a wide range of concentration in this system. © 1990 The Japan Society of Applied Physics.

引用

页码：L420 / L422

页数：3

共 6 条

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