THE HIGH-TC PHASE (N=3) IN THE BI-PB-SR-CA-CU-O SYSTEM

被引：6

作者：

LOSCH, S

SCHLICHENMAIER, M

KEMMLERSACK, S

SCHOLL, C

DOTTINGER, S

FORKEL, W

KOLLE, D

GROSS, R

HUEBENER, RP

机构：

[1] DAIMLER BENZ AG,GRUNDLAGENFORSCH,FGG ABT,W-7000 STUTTGART 60,GERMANY

[2] UNIV TUBINGEN,INST PHYS,LEHRSTUHL EXPTL PHYS 2,W-7400 TUBINGEN 1,GERMANY

来源：

JOURNAL OF THE LESS-COMMON METALS | 1990年 / 159卷 / 1-2期

关键词：

Ceramic Materials--Phase Transitions - Heat Treatment--Annealing - Oxides--Superconductivity;

D O I：

10.1016/0022-5088(90)90153-B

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：

The influence of the Bi : Pb : Sr : Ca : Cu ratio on the electrical properties of the lead-rich high Tc phase (n = 3) of ideal composition Bi2-xPbxSr2Ca2Cu3O10+z (x ≈ 0.25) is studied. The highest transition temperature Tc(mid) = 114 K is obtained for x = 0.25 after heat treatment in sealed silica ampoules. Deviations from the ideal stoichiometry may reduce the total annealing times at the expense of the superconducting properties. © 1990.

引用

页码：261 / 268

页数：8

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