COMPOSITION, STRUCTURE, AND ELECTRICAL-PROPERTIES OF BI2SR2CA1-YYYCU2O8 - A SINGLE-CRYSTAL STUDY

被引：84
作者：
KENDZIORA, C
FORRO, L
MANDRUS, D
HARTGE, J
STEPHENS, P
MIHALY, L
REEDER, R
MOECHER, D
RIVERS, M
SUTTON, S
机构：
[1] SUNY STONY BROOK,INST MINERAL PHYS,STONY BROOK,NY 11794
[2] BROOKHAVEN NATL LAB,NATL SYNCHROTRON LIGHT SOURCE,UPTON,NY 11973
来源：
PHYSICAL REVIEW B | 1992年 / 45卷 / 22期
关键词：
D O I：
10.1103/PhysRevB.45.13025
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A systematic study of yttrium substitution for calcium in the high-temperature superconductor Bi2Sr2CaCu2O8 has been performed. Single crystals were grown, cleaved, and characterized with use of x-ray fluorescence, electron microprobe, and electron- and x-ray-diffraction techniques. The dc resistivity, diamagnetic shielding, and Hall coefficient of the samples were also measured as functions of the temperature from 4 to 300 K for different dopant concentrations. We conclude that our systematic substitution in the family Bi2Sr2Ca1-yYyCu2O8 gives an insight into this high-temperature superconducting material as well as into weak localization and metal-insulator transitions.
引用
收藏
页码：13025 / 13034
页数：10
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