SUPERCONDUCTOR-INSULATOR TRANSITION IN ND2-XCEXCUO4 SINGLE-CRYSTAL THIN-FILMS

被引：9
|
作者：
TANDA, S
OZEKI, S
HONMA, M
OHI, A
NAKAYAMA, T
机构：
[1] Department of Applied Physics, Hokkaido University, Sapporo
来源：
PHYSICA C | 1991年 / 185卷
关键词：
D O I：
10.1016/0921-4534(91)91885-8
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The transport properties of high-T(c) oxide-superconductor Nd2-xCexCuO4 single-crystal thin films were investigated to clarify the superconductor-insulator transition in two-dimensional disordered system. It is found that the critical sheet resistance R square at the onset of superconductivity takes a value within a range from 6k-OMEGA to 8k-OMEGA, which is close to the value h/4e2 = 6.45k-OMEGA. Our experiments provide with an interesting system for revealing the physical origin of the superconductor-insulator transition.
引用
收藏
页码：1323 / 1324
页数：2
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