INPLANE ANISOTROPY OF THE PENETRATION DEPTH IN YBA2CU3O7-X AND YBA2CU4O8 SUPERCONDUCTORS

被引：336
|
作者：
BASOV, DN
LIANG, R
BONN, DA
HARDY, WN
DABROWSKI, B
QUIJADA, H
TANNER, DB
RICE, JP
GINSBERG, DM
TIMUSK, T
机构：
[1] UNIV BRITISH COLUMBIA,DEPT PHYS,VANCOUVER,BC V6T 4M1,CANADA
[2] UNIV FLORIDA,DEPT PHYS,GAINESVILLE,FL 32611
[3] NO ILLINOIS UNIV,DEPT PHYS,DE KALB,IL 60115
[4] UNIV ILLINOIS,DEPT PHYS,URBANA,IL 61801
来源：
PHYSICAL REVIEW LETTERS | 1995年 / 74卷 / 04期
关键词：
D O I：
10.1103/PhysRevLett.74.598
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The superfluid response of single-crystal YBa2Cu3O7-x and YBa2Cu4O8 shows a strong anisotropy in the a-b plane as revealed by far infrared spectroscopy. The value of the London penetration depth in both systems is considerably smaller in the direction along the Cu-O chains, suggesting that a substantial portion of the superconducting condensate is on the chains. © 1995 The American Physical Society.
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页码：598 / 601
页数：4
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