Incommensurate spin correlations induced by magnetic Fe ions substituted into overdoped Bi $_{1.75}$ Pb $_{0.35}$ Sr $_{1.90}$ CuO $_{6+z}$

過剰ドープ領域Bi $_{1.75}$ Pb $_{0.35}$ Sr $_{1.90}$ CuO $_{6+z}$ への鉄磁性イオン置換により誘起される格子非整合磁気相関

平賀晴弘*; 林陽一郎*; 脇本秀一 ; 武田全康 ; 加倉井和久; 足立匡*; 小池洋二*; 山田幾也*; 宮崎正範*; 平石雅俊*; 竹下聡史*; 幸田章宏*; 門野良典*; Tranquada, J. M.*; 山田和芳*

Hiraka, Haruhiro*; Hayashi, Yoichiro*; Wakimoto, Shuichi; Takeda, Masayasu; Kakurai, Kazuhisa; Adachi, Tadashi*; Koike, Yoji*; Yamada, Ikuya*; Miyazaki, Masanori*; Hiraishi, Masatoshi*; Takeshita, Soshi*; Koda, Akihiro*; Kadono, Ryosuke*; Tranquada, J. M.*; Yamada, Kazuyoshi*

Spin correlations in the overdoped region of Bi $_{1.75}$ Pb $_{0.35}$ Sr $_{1.90}$ CuO $_{6+z}$ have been explored with Fe-doped single crystals characterized by neutron scattering, muon-spin-rotation spectroscopy, and magnetic-susceptibility measurements. The incommensurability is unexpectedly large (0.2 r.l.u.), as compared with the overdoped La $_{2-x}$ Sr $_{x}$ CuO $_{4}$ . However, this large is close to the hole concentration . While our findings in Fe-doped Bi $_{1.75}$ Pb $_{0.35}$ Sr $_{1.90}$ CuO $_{6+z}$ support the commonality of incommensurate spin correlations in high- cuprate superconductors, they also suggest that the magnetic response might be dominated by a distinct mechanism in the overdoped region.

使用言語	:	English
掲載資料名	:	Physical Review B
巻	:	81
号	:	14
ページ数	:	p.144501_1 - 144501_6
発行年月	:	2010/04
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論文URL	:	https://doi.org/10.1103/PhysRevB.81.144501
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使用施設	:	JRR-3M(研究炉3)
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InCites™	:	パーセンタイル：55.02 分野：Materials Science, Multidisciplinary
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Incommensurate spin correlations induced by magnetic Fe ions substituted into overdoped BiPbSrCuO

過剰ドープ領域BiPbSrCuOへの鉄磁性イオン置換により誘起される格子非整合磁気相関

Incommensurate spin correlations induced by magnetic Fe ions substituted into overdoped Bi $_{1.75}$ Pb $_{0.35}$ Sr $_{1.90}$ CuO $_{6+z}$

過剰ドープ領域Bi $_{1.75}$ Pb $_{0.35}$ Sr $_{1.90}$ CuO $_{6+z}$ への鉄磁性イオン置換により誘起される格子非整合磁気相関