IMPROVEMENT OF THE HIGH-TC PHASE AND BOND ORDERING IN BI-SR-CA-CU-O SUPERCONDUCTORS BY PB DOPING

被引：4

作者：

HUONG, PV ^{[1
]}

KEU, HK ^{[1
]}

SEUNG, KC ^{[1
]}

BYOUNG, CK ^{[1
]}

机构：

[1] YONSEI UNIV,DEPT CHEM,SEOUL 120749,SOUTH KOREA

来源：

PHASE TRANSITIONS | 1991年 / 30卷 / 1-4期

关键词：

D O I：

10.1080/01411599108207980

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

High-Tc superconducting materials, (Bi 1-x -Pb x)SrCaCuO with variable amount of lead (x = 0.01-0.12) were synthesized with various processing parameters and characterized by electron microprobe analysis (EPMA), X-ray diffraction, resistivity measurement and micro-Raman spectroscopy. The Pb doping facilitates the formation of the Bi 2223 phase. The best high-Tc superconductivity is found with effective Pb amount around 12 percent, and ten days sintering. Beyond 10% Pb, the doping was found to induce a Cu-O bond ordering in the direction parallel to the c axis. © 1991, Taylor & Francis Group, LLC. All rights reserved.

引用

页码：189 / 196

页数：8

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