ELECTRON-PHONON INTERACTION IN THE NEW OXIDE SUPERCONDUCTORS.

被引：0
|
作者：
Weber, W. [1 ]
Mattheiss, L.F. [1 ]
机构：
[1] AT&T Bell Lab, Murray Hill, NJ,, USA, AT&T Bell Lab, Murray Hill, NJ, USA
来源：
Physica B: Physics of Condensed Matter & C: Atomic, Molecular and Plasma Physics, Optics | 1987年 / 148卷 / 1-3期
关键词：
BARIUM COMPOUNDS - CERAMIC MATERIALS - LANTHANUM COMPOUNDS - PHONONS;
D O I：
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中图分类号：
学科分类号：
摘要：
The electron-phonon interaction in Ba//2YCu//3O//7 is calculated using a realistic tight-binding theory which is based on first-principles energy-band results. In contrast to a previous study of the 40 K superconductor La//2// minus //x(Ba, Sr)//xCuO//4, the calculated values for the electron-phonon coupling are far too small to yield superconducting transition temperatures in the 90 K range.
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页码：271 / 273
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