ESR study of the field-induced magnetic phase of spin-Peierls CuGeO3 and MEM(TCNQ)2

H. Nojiri; T. Hamamoto; O. Fujita; J. Akimitsu; S. Takagi; M. Motokawa

doi:10.1016/S0304-8853(97)00390-9

ESR study of the field-induced magnetic phase of spin-Peierls CuGeO₃ and MEM(TCNQ)₂

H. Nojiri, T. Hamamoto, O. Fujita, J. Akimitsu, S. Takagi, M. Motokawa

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

ESR measurements have been performed in high magnetic fields up to 30 T on the spin-Peierls compounds CuGeO₃ and MEM(TCNQ)₂ to examine the magnetic excitation in the magnetic phase (M phase) induced by external fields. Discontinuous changes in the resonance fields have been observed around the phase boundary between the dimerized spin-Peierls phase and the M phase for both CuGeO₃ and MEM(TCNQ)₂. Anisotropic AFMR modes are observed in the M phase Of CuGeO₃.

Original language	English
Pages (from-to)	687-688
Number of pages	2
Journal	Journal of Magnetism and Magnetic Materials
Volume	177-181
Issue number	PART 1
DOIs	https://doi.org/10.1016/S0304-8853(97)00390-9
Publication status	Published - Jan 1998
Externally published	Yes

Keywords

Electron spin resonance
Magnetic excitations
Peierls spin transition
Phase transition

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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title = "ESR study of the field-induced magnetic phase of spin-Peierls CuGeO3 and MEM(TCNQ)2",

abstract = "ESR measurements have been performed in high magnetic fields up to 30 T on the spin-Peierls compounds CuGeO3 and MEM(TCNQ)2 to examine the magnetic excitation in the magnetic phase (M phase) induced by external fields. Discontinuous changes in the resonance fields have been observed around the phase boundary between the dimerized spin-Peierls phase and the M phase for both CuGeO3 and MEM(TCNQ)2. Anisotropic AFMR modes are observed in the M phase Of CuGeO3.",

keywords = "Electron spin resonance, Magnetic excitations, Peierls spin transition, Phase transition",

author = "H. Nojiri and T. Hamamoto and O. Fujita and J. Akimitsu and S. Takagi and M. Motokawa",

year = "1998",

month = jan,

doi = "10.1016/S0304-8853(97)00390-9",

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T1 - ESR study of the field-induced magnetic phase of spin-Peierls CuGeO3 and MEM(TCNQ)2

AU - Nojiri, H.

AU - Hamamoto, T.

AU - Fujita, O.

AU - Akimitsu, J.

AU - Takagi, S.

AU - Motokawa, M.

PY - 1998/1

Y1 - 1998/1

N2 - ESR measurements have been performed in high magnetic fields up to 30 T on the spin-Peierls compounds CuGeO3 and MEM(TCNQ)2 to examine the magnetic excitation in the magnetic phase (M phase) induced by external fields. Discontinuous changes in the resonance fields have been observed around the phase boundary between the dimerized spin-Peierls phase and the M phase for both CuGeO3 and MEM(TCNQ)2. Anisotropic AFMR modes are observed in the M phase Of CuGeO3.

AB - ESR measurements have been performed in high magnetic fields up to 30 T on the spin-Peierls compounds CuGeO3 and MEM(TCNQ)2 to examine the magnetic excitation in the magnetic phase (M phase) induced by external fields. Discontinuous changes in the resonance fields have been observed around the phase boundary between the dimerized spin-Peierls phase and the M phase for both CuGeO3 and MEM(TCNQ)2. Anisotropic AFMR modes are observed in the M phase Of CuGeO3.

KW - Electron spin resonance

KW - Magnetic excitations

KW - Peierls spin transition

KW - Phase transition

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