Muon spin relaxation studies of magnetic-field-induced effects in high-Tc superconductors |
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| Authors: | Savici A T Fukaya A Gat-Malureanu I M Ito T Russo P L Uemura Y J Wiebe C R Kyriakou P P MacDougall G J Rovers M T Luke G M Kojima K M Goto M Uchida S Kadono R Yamada K Tajima S Masui T Eisaki H Kaneko N Greven M Gu G D |
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| Affiliation: | Department of Physics, Columbia University, New York, New York 10027, USA. |
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| 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. |
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