Submillimeter wave ESR of an S = 1 bond alternating chain Ni2(μ-C2O4)(μ-N3)(dPt) 2(PF6)

S. Kimura; S. Hayashi; H. Ohta; H. Kikuchi; H. Nagasawa; N. Nojiri; M. Motokawa

doi:10.1016/S0921-4526(97)00988-5

Submillimeter wave ESR of an S = 1 bond alternating chain Ni₂(μ-C₂O₄)(μ-N₃)(dPt) ₂(PF₆)

S. Kimura, S. Hayashi, H. Ohta, H. Kikuchi, H. Nagasawa, N. Nojiri, M. Motokawa

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

5 Citations (Scopus)

Abstract

Submillimeter wave ESR and magnetization measurements of Ni₂(μ-C₂O₄)(μ-N₃)(dpt) ₂(PF₆) have been performed. This compound is one of the model substances of an S = 1 antiferromagnetic chain with bond alternation. In the magnetization measurements, a step-like magnetization process has been observed at 4.2 K. The energy gap and the single-ion anisotropy are discussed from the magnetization using the S = 1 spin dimer model. In the submillimeter wave ESR measurement, several absorption lines appeared as the temperature is increased from 4.2 K. However, such absorption lines can not be explained by the simple dimer model. The excitation gap is also discussed from the temperature dependence of the integrated intensity.

Original language	English
Pages (from-to)	565-568
Number of pages	4
Journal	Physica B: Condensed Matter
Volume	246-247
DOIs	https://doi.org/10.1016/S0921-4526(97)00988-5
Publication status	Published - 1998 May 29
Externally published	Yes

Keywords

Antiferromagnetism
ESR measurement
High magnetic field
Ni(μ-CO)(μ-n)-(dpt) (PF)
Submillimeter wave

ASJC Scopus subject areas

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

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10.1016/S0921-4526(97)00988-5

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title = "Submillimeter wave ESR of an S = 1 bond alternating chain Ni2(μ-C2O4)(μ-N3)(dPt) 2(PF6)",

abstract = "Submillimeter wave ESR and magnetization measurements of Ni2(μ-C2O4)(μ-N3)(dpt) 2(PF6) have been performed. This compound is one of the model substances of an S = 1 antiferromagnetic chain with bond alternation. In the magnetization measurements, a step-like magnetization process has been observed at 4.2 K. The energy gap and the single-ion anisotropy are discussed from the magnetization using the S = 1 spin dimer model. In the submillimeter wave ESR measurement, several absorption lines appeared as the temperature is increased from 4.2 K. However, such absorption lines can not be explained by the simple dimer model. The excitation gap is also discussed from the temperature dependence of the integrated intensity.",

keywords = "Antiferromagnetism, ESR measurement, High magnetic field, Ni(μ-CO)(μ-n)-(dpt) (PF), Submillimeter wave",

author = "S. Kimura and S. Hayashi and H. Ohta and H. Kikuchi and H. Nagasawa and N. Nojiri and M. Motokawa",

year = "1998",

month = may,

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doi = "10.1016/S0921-4526(97)00988-5",

language = "English",

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pages = "565--568",

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TY - JOUR

T1 - Submillimeter wave ESR of an S = 1 bond alternating chain Ni2(μ-C2O4)(μ-N3)(dPt) 2(PF6)

AU - Kimura, S.

AU - Hayashi, S.

AU - Ohta, H.

AU - Kikuchi, H.

AU - Nagasawa, H.

AU - Nojiri, N.

AU - Motokawa, M.

PY - 1998/5/29

Y1 - 1998/5/29

N2 - Submillimeter wave ESR and magnetization measurements of Ni2(μ-C2O4)(μ-N3)(dpt) 2(PF6) have been performed. This compound is one of the model substances of an S = 1 antiferromagnetic chain with bond alternation. In the magnetization measurements, a step-like magnetization process has been observed at 4.2 K. The energy gap and the single-ion anisotropy are discussed from the magnetization using the S = 1 spin dimer model. In the submillimeter wave ESR measurement, several absorption lines appeared as the temperature is increased from 4.2 K. However, such absorption lines can not be explained by the simple dimer model. The excitation gap is also discussed from the temperature dependence of the integrated intensity.

AB - Submillimeter wave ESR and magnetization measurements of Ni2(μ-C2O4)(μ-N3)(dpt) 2(PF6) have been performed. This compound is one of the model substances of an S = 1 antiferromagnetic chain with bond alternation. In the magnetization measurements, a step-like magnetization process has been observed at 4.2 K. The energy gap and the single-ion anisotropy are discussed from the magnetization using the S = 1 spin dimer model. In the submillimeter wave ESR measurement, several absorption lines appeared as the temperature is increased from 4.2 K. However, such absorption lines can not be explained by the simple dimer model. The excitation gap is also discussed from the temperature dependence of the integrated intensity.

KW - Antiferromagnetism

KW - ESR measurement

KW - High magnetic field

KW - Ni(μ-CO)(μ-n)-(dpt) (PF)

KW - Submillimeter wave

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JO - Physica B: Condensed Matter

JF - Physica B: Condensed Matter

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