Muon spin relaxation studies of magnetic-field-induced effects in high-Tc superconductors -: art. no. 157001

被引：52

作者：

Savici, AT

Fukaya, A

Gat-Malureanu, IM

Ito, T

Russo, PL

Uemura, YJ

Wiebe, CR

Kyriakou, PP

MacDougall, GJ

Rovers, MT

Luke, GM

Kojima, KM

Goto, M

Uchida, S

Kadono, R

Yamada, K

Tajima, S

Masui, T

Eisaki, H

Kaneko, N

Greven, M

Gu, GD

机构：

[1] Columbia Univ, Dept Phys, New York, NY 10027 USA

[2] McMaster Univ, Dept Phys & Astron, Hamilton, ON L8S 4M1, Canada

[3] Univ Tokyo, Dept Phys, Tokyo 1138656, Japan

[4] KEK, Inst Mat Struct Sci, Tsukuba, Ibaraki, Japan

[5] Kyoto Univ, Inst Chem Res, Uji, Kyoto 6110011, Japan

[6] ISTEC, Koto Ku, Tokyo 1350062, Japan

[7] Stanford Univ, Dept Appl Phys, Stanford, CA 94305 USA

[8] Brookhaven Natl Lab, Upton, NY 11973 USA

来源：

PHYSICAL REVIEW LETTERS | 2005年 / 95卷 / 15期

关键词：

D O I：

10.1103/PhysRevLett.95.157001

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Muon spin relaxation measurements in high transverse magnetic fields (parallel to c<^>) revealed strong field-induced quasistatic magnetism in the underdoped and Eu-doped (La,Sr)(2)CuO4 and La1.875Ba0.125CuO4, existing well above T-c and T-N. The susceptibility counterpart of Cu spin polarization, derived from the muon spin relaxation rate, exhibits a divergent behavior towards T similar to 25 K. No field-induced magnetism was detected in overdoped La1.81Sr0.19CuO4, optimally doped Bi2212, and Zn-doped YBa2Cu3O7.

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