Development of Cu-spin correlation in Bi_(1.74)Pb_(0.38)Sr_(1.88)Cu_(1-y)Zn_y O_(6+8) high-temperaturesuperconductors observed by muon spin relaxation

T. Adachi; Y. Tanabe; K. SuzukiY. KoikeT. SuzukiT. KawamataI. Watanabe

首页> 外文期刊>Physical review, B. Condensed matter and materials physics >Development of Cu-spin correlation in Bi_(1.74)Pb_(0.38)Sr_(1.88)Cu_(1-y)Zn_y O_(6+8) high-temperaturesuperconductors observed by muon spin relaxation

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Development of Cu-spin correlation in Bi_(1.74)Pb_(0.38)Sr_(1.88)Cu_(1-y)Zn_y O_(6+8) high-temperaturesuperconductors observed by muon spin relaxation

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A systematic muon-spin-relaxation study in Bi-2201 high-T_c cuprates has revealed that the Cu-spin correlation (CSC) is developed at low temperatures below 2 K in a wide range of hole concentrations where superconductivity appears. The CSC tends to weaken with increasing hole concentration. Moreover, CSC has been enhanced through the 3 substitution of Zn for Cu. These results are quite similar to those observed in La-214 high-T_c cuprates. Accordingly, it has been suggested that the intimate relationship between the so-called spin-charge stripe correlations and superconductivity is a universal feature in hole-doped high-T_c cuprates. Furthermore, an apparent development of CSC, which is suppressed through the Zn substitution oppositely, has been observed in nonsuperconducting heavily overdoped samples, which is argued in the context of a recently proposed ferromagnetic state in heavily overdoped cuprates.

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《Physical review, B. Condensed matter and materials physics》 |2011年第18期|184522:1-184522:6|共6页
作者
T. Adachi; Y. Tanabe; K. SuzukiY. KoikeT. SuzukiT. KawamataI. Watanabe;
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作者单位

Department of Applied Physics, Graduate School of Engineering, Tohoku University, 6-6-05 Aoba, Aramaki, Aoba-ku,Sendai 980-8579, Japan;

Advanced Meson Science Laboratory, Nishina Center for Accelerator-Based Science, R1KEN, 2-1 Hirosawa, Wako 351-0198, Japan;

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正文语种英语
中图分类物理学;
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Development; correlation; relaxation;

Development of Cu-spin correlation in Bi_(1.74)Pb_(0.38)Sr_(1.88)Cu_(1-y)Zn_y O_(6+8) high-temperaturesuperconductors observed by muon spin relaxation

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