Symmetry control of the spin hamiltonian of the haldane compound Ni(C 2H8O4)2NO2(ClO 4) by external pressures

Takehiro Kinoshita; Masaki Mito; Tatsuya Kawae; Kazuyoshi Takeda

doi:10.1016/S0921-4526(02)02126-9

Symmetry control of the spin hamiltonian of the haldane compound Ni(C ₂H₈O₄)₂NO₂(ClO ₄) by external pressures

Takehiro Kinoshita, Masaki Mito, Tatsuya Kawae, Kazuyoshi Takeda

Applied Physics

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

Abstract

We measured the magnetic susceptibility χ(T) of the Haldane compound Ni(C₂H₈O₄)₂ NO₂(ClO ₄) (NENP) under hydrostatic pressure P. With increase of the pressure, the system tends to change from the O(2) symmetry to the SU(2) symmetry, similarly to the results of neutron scattering experiment under hydrostatic pressure by Zaliznyak et al. (Phys. Rev. B 57 (1998) 5200). Within our experimental range of hydrostatic pressure up to about 1 GPa, we did not observe any anomaly indicating the three-dimensional magnetic long range ordering and the quantum phase transition.

Original language	English
Pages (from-to)	1205-1206
Number of pages	2
Journal	Physica B: Condensed Matter
Volume	329-333
Issue number	II
DOIs	https://doi.org/10.1016/S0921-4526(02)02126-9
Publication status	Published - May 2003

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

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10.1016/S0921-4526(02)02126-9

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title = "Symmetry control of the spin hamiltonian of the haldane compound Ni(C 2H8O4)2NO2(ClO 4) by external pressures",

abstract = "We measured the magnetic susceptibility χ(T) of the Haldane compound Ni(C2H8O4)2 NO2(ClO 4) (NENP) under hydrostatic pressure P. With increase of the pressure, the system tends to change from the O(2) symmetry to the SU(2) symmetry, similarly to the results of neutron scattering experiment under hydrostatic pressure by Zaliznyak et al. (Phys. Rev. B 57 (1998) 5200). Within our experimental range of hydrostatic pressure up to about 1 GPa, we did not observe any anomaly indicating the three-dimensional magnetic long range ordering and the quantum phase transition.",

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T1 - Symmetry control of the spin hamiltonian of the haldane compound Ni(C 2H8O4)2NO2(ClO 4) by external pressures

AU - Kinoshita, Takehiro

AU - Mito, Masaki

AU - Kawae, Tatsuya

AU - Takeda, Kazuyoshi

PY - 2003/5

Y1 - 2003/5

N2 - We measured the magnetic susceptibility χ(T) of the Haldane compound Ni(C2H8O4)2 NO2(ClO 4) (NENP) under hydrostatic pressure P. With increase of the pressure, the system tends to change from the O(2) symmetry to the SU(2) symmetry, similarly to the results of neutron scattering experiment under hydrostatic pressure by Zaliznyak et al. (Phys. Rev. B 57 (1998) 5200). Within our experimental range of hydrostatic pressure up to about 1 GPa, we did not observe any anomaly indicating the three-dimensional magnetic long range ordering and the quantum phase transition.

AB - We measured the magnetic susceptibility χ(T) of the Haldane compound Ni(C2H8O4)2 NO2(ClO 4) (NENP) under hydrostatic pressure P. With increase of the pressure, the system tends to change from the O(2) symmetry to the SU(2) symmetry, similarly to the results of neutron scattering experiment under hydrostatic pressure by Zaliznyak et al. (Phys. Rev. B 57 (1998) 5200). Within our experimental range of hydrostatic pressure up to about 1 GPa, we did not observe any anomaly indicating the three-dimensional magnetic long range ordering and the quantum phase transition.

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Symmetry control of the spin hamiltonian of the haldane compound Ni(C ₂H₈O₄)₂NO₂(ClO ₄) by external pressures

Abstract

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