LIMITATIONS ON ELECTRONIC MECHANISMS FOR HIGH-TEMPERATURE SUPERCONDUCTING OXIDES

被引：7
|
作者：
COHEN, ML
PENN, DR
BARBEE, TW
机构：
[1] UNIV CALIF BERKELEY LAWRENCE BERKELEY LAB,DIV MAT & CHEM SCI,BERKELEY,CA 94720
[2] NATL INST STANDARDS & TECHNOL,DIV RADIAT PHYS,GAITHERSBURG,MD 20899
来源：
SOLID STATE COMMUNICATIONS | 1990年 / 75卷 / 12期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1016/0038-1098(90)90769-8
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The effects of electronic mechanisms for electron pairing in high temperature superconducting oxides on both the transition temperature Tc and the isotope effect parameter α are considered. It is shown that for the higher Tc oxides, measured values of Tc and α together with estimates of the phonon contributions are not consistent with high-frequency electronic mechanisms. Limitations of the theory and some constraints on low-frequency electronic mechanisms are also discussed. © 1990.
引用
收藏
页码：971 / 974
页数：4
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