STRUCTURAL AND ELECTROMAGNETIC PROPERTIES OF BI-SR-CA-CU-NI-O SINGLE-CRYSTALS

被引：0

作者：

HA, DH ^{[1
]}

OKA, K ^{[1
]}

MATSUHATA, H ^{[1
]}

IGA, F ^{[1
]}

NISHIHARA, Y ^{[1
]}

机构：

[1] ELECTROTECH LAB,TSUKUBA,IBARAKI 305,JAPAN

来源：

PHYSICA B | 1994年 / 194卷

关键词：

D O I：

暂无

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The structural and physical properties have been investigated in Bi2Sr2Ca1Cu2-xNixO8+delta (X=0, 0.02 and 0.04) single crystals. Powder X-ray diffraction pattern and high resolution electron microscope image confirm all of the single crystals to be of Bi(2212) phase with a superstructure along the b-axis. Although the superconducting transition temperature and the ratio of rho(b)/rho(a) decrease linearly with Ni concentration, we couldn't observe any structural change in single crystals by high resolution image and electron diffraction measurement. Magnetic hysteresis curves for X=0 and 0.04 at 35 K are the same each other. These results suggest that Ni atoms don't form clusters but distribute uniformly in CuO2 plane.

引用

页码：2203 / 2204

页数：2

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