Fe-induced short-range magnetic correlation in Bi $_{1.75}$ Pb $_{0.35}$ Sr $_{1.90}$ Cu $_{0.91}$ Fe $_{0.09}$ O $_{6+y}$

FeをドープしたBi $_{1.75}$ Pb $_{0.35}$ Sr $_{1.90}$ Cu $_{0.91}$ Fe $_{0.09}$ O $_{6+y}$ の短距離磁気相関

脇本秀一 ; 平賀晴弘*; 工藤一貴*; 岡本大地*; 西崎輝一*; 加倉井和久; Hong, T.*; Zheludev, A.*; Tranquada, J. M.*; 小林典男*; 山田和芳*

Wakimoto, Shuichi; Hiraka, Haruhiro*; Kudo, Kazutaka*; Okamoto, Daichi*; Nishizaki, Terukazu*; Kakurai, Kazuhisa; Hong, T.*; Zheludev, A.*; Tranquada, J. M.*; Kobayashi, Norio*; Yamada, Kazuyoshi*

We have performed resistivity measurements, and neutron scattering measurements under magnetic field on Fe-doped superconductor Bi2201 in the overdoped regime. Fe-doping induces short-range magnetic correlation with incommensurate modulation. We have found that the system shows similarities to dilute magnetic alloys, in which the Kondo effect is relevant. This implies that the incommensurate spin fluctuation in the high- cuprates may have a contribution from itenerant electrons.

使用言語	:	English
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発表会議名	:	1st Asia-Oceania Conference on Neutron Scattering (1st AOCNS)
開催年月	:	2011/11
開催都市	:	Tsukuba
開催国	:	Japan
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Fe-induced short-range magnetic correlation in BiPbSrCuFeO

FeをドープしたBiPbSrCuFeOの短距離磁気相関

Fe-induced short-range magnetic correlation in Bi $_{1.75}$ Pb $_{0.35}$ Sr $_{1.90}$ Cu $_{0.91}$ Fe $_{0.09}$ O $_{6+y}$

FeをドープしたBi $_{1.75}$ Pb $_{0.35}$ Sr $_{1.90}$ Cu $_{0.91}$ Fe $_{0.09}$ O $_{6+y}$ の短距離磁気相関