Muon spin relaxation studies of magnetic-field-induced effects in high-Tc superconductors

A T Savici; A Fukaya; I M Gat-Malureanu; T Ito; P L Russo; Y J Uemura; C R Wiebe; P P Kyriakou; G J MacDougall; M T Rovers; G M Luke; K M Kojima; M Goto; S Uchida; R Kadono; K Yamada; S Tajima; T Masui; H Eisaki; N Kaneko; M Greven; G D Gu

doi:10.1103/PhysRevLett.95.157001

Muon spin relaxation studies of magnetic-field-induced effects in high-Tc superconductors

Phys Rev Lett. 2005 Oct 7;95(15):157001. doi: 10.1103/PhysRevLett.95.157001. Epub 2005 Oct 4.

Authors

Affiliation

¹ Department of Physics, Columbia University, New York, New York 10027, USA.

PMID: 16241752
DOI: 10.1103/PhysRevLett.95.157001

Abstract

Muon spin relaxation measurements in high transverse magnetic fields [FORMULA: SEE TEXT] revealed strong field-induced quasistatic magnetism in the underdoped and Eu-doped (La,Sr)2CuO4 and La1.875Ba0.125CuO4, existing well above Tc and TN. The susceptibility counterpart of Cu spin polarization, derived from the muon spin relaxation rate, exhibits a divergent behavior towards T approximately 25 K. No field-induced magnetism was detected in overdoped La1.81Sr0.19CuO4, optimally doped Bi2212, and Zn-doped YBa2Cu3O7.