High field magnetization in an S = 1 antiferromagnetic chain with bond alternation

Y. Narumi; M. Hagiwara; R. Sato; K. Kindo; H. Nakano; M. Takahashi

doi:10.1016/S0921-4526(97)00974-5

High field magnetization in an S = 1 antiferromagnetic chain with bond alternation

Y. Narumi, M. Hagiwara, R. Sato, K. Kindo, H. Nakano, M. Takahashi

Materials Property Division

Research output: Contribution to journal › Article

108 Citations (Scopus)

Abstract

High field magnetization and susceptibility measurements have been performed on an S = 1 antiferromagnetic chain compound with bond alternation: [Ni₂(Medpt)₂(μ-ox)(μ-N₃)]ClO₄ · 0.5 H₂O (Medpt = methyl-bis(3-aminopropyl)amine). When the magnetic field is applied along the chain direction, no magnetization is observed in the low field region. Then, the magnetization curve rises at about 17 T and increases almost linearly up to about 43 T to reach a plateau which corresponds to half of the saturated moment, and shows a steep increase again at about 55 T. The alternating ratio a is estimated to be ∼ 0.3 by comparing the experimental results with the calculations for the magnetization and susceptibility. Accordingly, the ground state of this compound is in the singlet-dimer phase.

Original language	English
Pages (from-to)	509-512
Number of pages	4
Journal	Physica B: Condensed Matter
Volume	246-247
DOIs	https://doi.org/10.1016/S0921-4526(97)00974-5
Publication status	Published - 1998 May 29

Keywords

Bond alternation
Haldane phase
High field magnetization
Singlet-dimer phase

ASJC Scopus subject areas

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

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Narumi, Y., Hagiwara, M., Sato, R., Kindo, K., Nakano, H., & Takahashi, M. (1998). High field magnetization in an S = 1 antiferromagnetic chain with bond alternation. Physica B: Condensed Matter, 246-247, 509-512. https://doi.org/10.1016/S0921-4526(97)00974-5

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title = "High field magnetization in an S = 1 antiferromagnetic chain with bond alternation",

abstract = "High field magnetization and susceptibility measurements have been performed on an S = 1 antiferromagnetic chain compound with bond alternation: [Ni2(Medpt)2(μ-ox)(μ-N3)]ClO4 · 0.5 H2O (Medpt = methyl-bis(3-aminopropyl)amine). When the magnetic field is applied along the chain direction, no magnetization is observed in the low field region. Then, the magnetization curve rises at about 17 T and increases almost linearly up to about 43 T to reach a plateau which corresponds to half of the saturated moment, and shows a steep increase again at about 55 T. The alternating ratio a is estimated to be ∼ 0.3 by comparing the experimental results with the calculations for the magnetization and susceptibility. Accordingly, the ground state of this compound is in the singlet-dimer phase.",

keywords = "Bond alternation, Haldane phase, High field magnetization, Singlet-dimer phase",

author = "Y. Narumi and M. Hagiwara and R. Sato and K. Kindo and H. Nakano and M. Takahashi",

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T1 - High field magnetization in an S = 1 antiferromagnetic chain with bond alternation

AU - Narumi, Y.

AU - Hagiwara, M.

AU - Sato, R.

AU - Kindo, K.

AU - Nakano, H.

AU - Takahashi, M.

PY - 1998/5/29

Y1 - 1998/5/29

N2 - High field magnetization and susceptibility measurements have been performed on an S = 1 antiferromagnetic chain compound with bond alternation: [Ni2(Medpt)2(μ-ox)(μ-N3)]ClO4 · 0.5 H2O (Medpt = methyl-bis(3-aminopropyl)amine). When the magnetic field is applied along the chain direction, no magnetization is observed in the low field region. Then, the magnetization curve rises at about 17 T and increases almost linearly up to about 43 T to reach a plateau which corresponds to half of the saturated moment, and shows a steep increase again at about 55 T. The alternating ratio a is estimated to be ∼ 0.3 by comparing the experimental results with the calculations for the magnetization and susceptibility. Accordingly, the ground state of this compound is in the singlet-dimer phase.

AB - High field magnetization and susceptibility measurements have been performed on an S = 1 antiferromagnetic chain compound with bond alternation: [Ni2(Medpt)2(μ-ox)(μ-N3)]ClO4 · 0.5 H2O (Medpt = methyl-bis(3-aminopropyl)amine). When the magnetic field is applied along the chain direction, no magnetization is observed in the low field region. Then, the magnetization curve rises at about 17 T and increases almost linearly up to about 43 T to reach a plateau which corresponds to half of the saturated moment, and shows a steep increase again at about 55 T. The alternating ratio a is estimated to be ∼ 0.3 by comparing the experimental results with the calculations for the magnetization and susceptibility. Accordingly, the ground state of this compound is in the singlet-dimer phase.

KW - Bond alternation

KW - Haldane phase

KW - High field magnetization

KW - Singlet-dimer phase

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