SUPERCONDUCTING PROPERTIES OF BI2SR2CACU2OY BI2SR2CUOX MULTILAYER THIN-FILMS

被引：31

作者：

MATSUSHIMA, T ^{[1
]}

ICHIKAWA, Y ^{[1
]}

ADACHI, H ^{[1
]}

SETSUNE, K ^{[1
]}

WASA, K ^{[1
]}

机构：

[1] MATSUSHITA ELECT WORKS LTD,SEMICOND RES LAB,KADOMA,OSAKA 571,JAPAN

来源：

SOLID STATE COMMUNICATIONS | 1990年 / 76卷 / 10期

关键词：

Ceramic Materials - Oxides - Sputtering - Superconducting Films - Thin Films;

D O I：

10.1016/0038-1098(90)90060-O

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

We have prepared Bi2Sr2CaCu2Oy(BSCCO)/Bi2Sr2CuOx(BSCO) multilayer thin films using a multitarget RF magnetron sputtering technique. Our BSCO films exhibit a semiconductor-like transport property, and BSCCO/BSCO multilayers are supposed as superconductor/nonsuperconductor multilayers. The x-ray diffraction measurements showed that all of the multilayers with various thicknesses have the c-axis normal to the substrate surface. In the multilayer films with the constant BSCO layer thickness of 100Å, an Tc onset slightly decreases from 85 K to 75 K with decreasing the BSCCO layer thickness from 250Å to 31Å. From this result it seems that interlayer coupling in BSCCO/BSCO multilayers is weaker than in YBaCuO/PrBaCuO multilayers. © 1990.

引用

页码：1201 / 1204

页数：4

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