SUPERLATTICES OF HIGH-TC SUPERCONDUCTORS

被引:3
作者
CUI, SM [1 ]
TSAI, CH [1 ]
机构
[1] CHINESE CTR ADV SCI & TECHNOL,CTR THEORET PHYS,WORLD LAB,BEIJING 100080,PEOPLES R CHINA
来源
PHYSICAL REVIEW B | 1990年 / 42卷 / 13期
关键词
D O I
10.1103/PhysRevB.42.8615
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Our plasma theory of superlattices of superconducting oxides in a tight-binding random-phase approximation (TBRPA) has been extended to the generalized random approximation for tight-binding superlattices (TBGRPA). We find that there is no important difference between TBGRPA and TBRPA. The superconducting transition temperatures Tc of the mixed Bi-Tl oxide superlattices are shown to depend predominantly on the maximum number of successive CuO2 layers within a supercell. © 1990 The American Physical Society.
引用
收藏
页码:8615 / 8618
页数:4
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