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ENHANCED SUPERCONDUCTIVITY IN LAYERED METALLIC FILMS

被引：125
作者：
STRONGIN, M
KAMMERER, OF
CROW, JE
PARKS, RD
DOUGLASS, DH
JENSEN, MA
机构：
[1] Brookhaven National Laboratory, Upton
[2] Department of Physics and Astronomy, University of Rochester, Rochester
[3] Center for Low Temperature Physics, Queens College of the City University of New York, Flushing
[4] Department of Physics, University of Pennsylvania, Philadelphia
来源：
PHYSICAL REVIEW LETTERS | 1968年 / 21卷 / 18期
关键词：
D O I：
10.1103/PhysRevLett.21.1320
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We have observed large increases in the transition temperature Tc of thin, quenched composite films consisting of alternating layers of dissimilar metals. We estimate the regions of the film which experience the greatest increase to be within a few monolayers of the metal-vacuum or metal-metal surfaces. A possible explanation for the increased Tc's is the shift in the electron-phonon coupling to larger values due to the lowering of the phonon frequencies. © 1968 The American Physical Society.
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页码：1320 / +
页数：1
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