Magnetic field penetration depth in single crystal La1.85Sr0.15CuO4 and Nd1.85Ce0.15CuO4

被引:22
作者
Luke, GM
Fudamoto, Y
Kojima, K
Larkin, M
Merrin, J
Nachumi, B
Uemura, YJ
Sonier, JE
Ito, T
Oka, K
deAndrade, M
Maple, MB
Uchida, S
机构
[1] UNIV BRITISH COLUMBIA,DEPT PHYS,VANCOUVER,BC V6T 2A3,CANADA
[2] ELECTROTECH LAB,TSUKUBA,IBARAKI 305,JAPAN
[3] UNIV CALIF SAN DIEGO,DEPT PHYS,LA JOLLA,CA 92093
[4] UNIV TOKYO,DEPT SUPERCONDUCT,BUNKYO KU,TOKYO 113,JAPAN
来源
PHYSICA C | 1997年 / 282卷
基金
美国国家科学基金会; 美国能源部;
关键词
D O I
10.1016/S0921-4534(97)00837-X
中图分类号
O59 [应用物理学];
学科分类号
摘要
We have measured the magnetic field penetration depth in single crystals of La1.85Sr0.15CuO4 and Nd1.85Ce0.15CuO4 using the technique of muon spin rotation. In La1.85Sr0.15CuO4 we observe a strong linear temperature dependence of lambda(T --> 0), characteristic of a d-wave pairing state. The absolute value of the penetration depth in electron-doped Nd1.85Ce0.15CuO4 is comparable to that in the hole-doped La1.85Sr0.15CuO4.
引用
收藏
页码:1465 / 1466
页数:2
相关论文
共 8 条
[1]   FLUX DISTRIBUTION AND PENETRATION DEPTH MEASURED BY MUON SPIN ROTATION IN HIGH-TC SUPERCONDUCTORS [J].
BRANDT, EH .
PHYSICAL REVIEW B, 1988, 37 (04) :2349-2352
[2]   ELASTIC ENERGY OF VORTEX STATE IN TYPE-2 SUPERCONDUCTORS .1. HIGH INDUCTIONS [J].
BRANDT, EH .
JOURNAL OF LOW TEMPERATURE PHYSICS, 1977, 26 (5-6) :709-733
[4]   PRECISION-MEASUREMENTS OF THE TEMPERATURE-DEPENDENCE OF LAMBDA IN YBA2CU3O6.95 - STRONG EVIDENCE FOR NODES IN THE GAP FUNCTION [J].
HARDY, WN ;
BONN, DA ;
MORGAN, DC ;
LIANG, RX ;
ZHANG, K .
PHYSICAL REVIEW LETTERS, 1993, 70 (25) :3999-4002
[5]   a-b plane microwave surface impedance of a high-quality Bi2Sr2CaCu2O8 single crystal [J].
Lee, SF ;
Morgan, DC ;
Ormeno, RJ ;
Broun, DM ;
Doyle, RA ;
Waldram, JR ;
Kadowaki, K .
PHYSICAL REVIEW LETTERS, 1996, 77 (04) :735-738
[6]   CRYSTAL-GROWTH OF LA(2-X)SR(X)CUO(4-DELTA) BY THE TRAVELING-SOLVENT FLOATING-ZONE METHOD [J].
OKA, K ;
MENKEN, MJV ;
TARNAWSKI, Z ;
MENOVSKY, AA ;
MOE, AM ;
HAN, TS ;
UNOKI, H ;
ITO, T ;
OHASHI, Y .
JOURNAL OF CRYSTAL GROWTH, 1994, 137 (3-4) :479-486
[7]   NEW MUON-SPIN-ROTATION MEASUREMENT OF THE TEMPERATURE-DEPENDENCE OF THE MAGNETIC PENETRATION DEPTH IN YBA2CU3O6.95 [J].
SONIER, JE ;
KIEFL, RF ;
BREWER, JH ;
BONN, DA ;
CAROLAN, JF ;
CHOW, KH ;
DOSANJH, P ;
HARDY, WN ;
LIANG, RX ;
MACFARLANE, WA ;
MENDELS, P ;
MORRIS, GD ;
RISEMAN, TM ;
SCHNEIDER, JW .
PHYSICAL REVIEW LETTERS, 1994, 72 (05) :744-747
[8]  
SONIER JE, 1996, PREPRINT