CHEMICAL INCORPORATION OF HALOGENS IN HIGH-TC SUPERCONDUCTORS .1. CHLORINE INCORPORATION IN LA1.8SR0.2CUO4

被引:9
作者
POLLA, G [1 ]
ACHA, C [1 ]
DURAN, C [1 ]
BAGGIO, R [1 ]
DEBENYACAR, MAR [1 ]
机构
[1] CONSEJO NACL INVEST CIENT & TECN,BUENOS AIRES,ARGENTINA
关键词
21;
D O I
10.1016/0038-1098(90)90333-7
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
Chlorinated samples of superconducting La1.8Sr0.2CuO4-1/2yCly 0 < y < 2 were prepared by solid state reaction of LaOCl, CuO and SrCO3. Homogeneity of the chlorinated samples was checked by X-ray powder diffraction, and EDAX and electron probe analysis. Analysis of resistivity vs.T curves and of lattice changes as a function of nominal Cl concentration were compared with those observed in Sr-defficient non-chlorinated La-Sr-Cu-O samples. © 1990.
引用
收藏
页码:487 / 492
页数:6
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