Low-energy spin excitation in lightly-doped Bi2.4Sr 1.6CuO6+δ studied by inelastic neutron-scattering experiment

M. Enoki; M. Fujita; S. Iikubo; K. Yamada

doi:10.1016/j.physc.2009.11.010

Low-energy spin excitation in lightly-doped Bi_2.4Sr _1.6CuO_6+δ studied by inelastic neutron-scattering experiment

M. Enoki, M. Fujita, S. Iikubo, K. Yamada

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Abstract

Low-energy spin excitation below 10 meV in non-superconducting lightly-doped Bi_2+xSr_2-xCuO_6+δ(BSCO)x=0.4 was studied by neutron-scattering measurement. We observed a broad single peak centered at (0.5, 0.5) reciprocal position in tetragonal notation. The intensity is enhanced with increasing the temperature, and weakens at the equivalent magnetic position with larger Q. These results indicates that the observed signal is intrinsic spin excitation spectrum, and therefore, we have clarified the existence of spin excitation in the BSCO system for the first time.

Original language	English
Pages (from-to)	S37-S38
Journal	Physica C: Superconductivity and its applications
Volume	470
Issue number	SUPPL.1
DOIs	https://doi.org/10.1016/j.physc.2009.11.010
Publication status	Published - Dec 2010
Externally published	Yes

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Energy Engineering and Power Technology
Electrical and Electronic Engineering

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10.1016/j.physc.2009.11.010

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title = "Low-energy spin excitation in lightly-doped Bi2.4Sr 1.6CuO6+δ studied by inelastic neutron-scattering experiment",

abstract = "Low-energy spin excitation below 10 meV in non-superconducting lightly-doped Bi2+xSr2-xCuO6+δ(BSCO)x=0.4 was studied by neutron-scattering measurement. We observed a broad single peak centered at (0.5, 0.5) reciprocal position in tetragonal notation. The intensity is enhanced with increasing the temperature, and weakens at the equivalent magnetic position with larger Q. These results indicates that the observed signal is intrinsic spin excitation spectrum, and therefore, we have clarified the existence of spin excitation in the BSCO system for the first time.",

author = "M. Enoki and M. Fujita and S. Iikubo and K. Yamada",

year = "2010",

month = dec,

doi = "10.1016/j.physc.2009.11.010",

language = "English",

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TY - JOUR

T1 - Low-energy spin excitation in lightly-doped Bi2.4Sr 1.6CuO6+δ studied by inelastic neutron-scattering experiment

AU - Enoki, M.

AU - Fujita, M.

AU - Iikubo, S.

AU - Yamada, K.

PY - 2010/12

Y1 - 2010/12

N2 - Low-energy spin excitation below 10 meV in non-superconducting lightly-doped Bi2+xSr2-xCuO6+δ(BSCO)x=0.4 was studied by neutron-scattering measurement. We observed a broad single peak centered at (0.5, 0.5) reciprocal position in tetragonal notation. The intensity is enhanced with increasing the temperature, and weakens at the equivalent magnetic position with larger Q. These results indicates that the observed signal is intrinsic spin excitation spectrum, and therefore, we have clarified the existence of spin excitation in the BSCO system for the first time.

AB - Low-energy spin excitation below 10 meV in non-superconducting lightly-doped Bi2+xSr2-xCuO6+δ(BSCO)x=0.4 was studied by neutron-scattering measurement. We observed a broad single peak centered at (0.5, 0.5) reciprocal position in tetragonal notation. The intensity is enhanced with increasing the temperature, and weakens at the equivalent magnetic position with larger Q. These results indicates that the observed signal is intrinsic spin excitation spectrum, and therefore, we have clarified the existence of spin excitation in the BSCO system for the first time.

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DO - 10.1016/j.physc.2009.11.010

M3 - Article

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SN - 0921-4534

VL - 470

SP - S37-S38

JO - Physica C: Superconductivity and its applications

JF - Physica C: Superconductivity and its applications

IS - SUPPL.1

ER -

Low-energy spin excitation in lightly-doped Bi_2.4Sr _1.6CuO_6+δ studied by inelastic neutron-scattering experiment

Abstract

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