Haldane gap system: Structure and magnetic properties of azido-bridged nickel complex

M. Yamashita; K. Inoue; T. Ohishi; H. Miyamae; T. Takeuchi; T. Yosida

doi:10.1016/0379-6779(94)03127-R

Haldane gap system: Structure and magnetic properties of azido-bridged nickel complex

M. Yamashita, K. Inoue, T. Ohishi, H. Miyamae, T. Takeuchi, T. Yosida

Advanced Institute for Materials Research (AIMR)

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

12 Citations (Scopus)

Abstract

A new Haldane gap compound, Ni(dmpn)₂N₃(ClO₄) (dmpn=2,2-dimethyl-1,3-propanediamine) has been synthesized, and its structure and magnetic properties have been investigated. It has an azido-bridged linear-chain structure where each chain is separated to each other by counterions ClO₄^-. The Haldane gap and J value of this compound are estimated to be 21.6 K and -70.6 K, respectively. These absolute values are larger than those of Ni(en)₂(NO₂)(ClO₄) (hereafter abbreviated as NENP) which has a NO₂^--bridged structure and has been extensively investigated so far.

Original language	English
Pages (from-to)	1961-1964
Number of pages	4
Journal	Synthetic Metals
Volume	71
Issue number	1-3
DOIs	https://doi.org/10.1016/0379-6779(94)03127-R
Publication status	Published - 1995 Apr 1

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Metals and Alloys
Materials Chemistry

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abstract = "A new Haldane gap compound, Ni(dmpn)2N3(ClO4) (dmpn=2,2-dimethyl-1,3-propanediamine) has been synthesized, and its structure and magnetic properties have been investigated. It has an azido-bridged linear-chain structure where each chain is separated to each other by counterions ClO4-. The Haldane gap and J value of this compound are estimated to be 21.6 K and -70.6 K, respectively. These absolute values are larger than those of Ni(en)2(NO2)(ClO4) (hereafter abbreviated as NENP) which has a NO2--bridged structure and has been extensively investigated so far.",

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T2 - Structure and magnetic properties of azido-bridged nickel complex

AU - Yamashita, M.

AU - Inoue, K.

AU - Ohishi, T.

AU - Miyamae, H.

AU - Takeuchi, T.

AU - Yosida, T.

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AB - A new Haldane gap compound, Ni(dmpn)2N3(ClO4) (dmpn=2,2-dimethyl-1,3-propanediamine) has been synthesized, and its structure and magnetic properties have been investigated. It has an azido-bridged linear-chain structure where each chain is separated to each other by counterions ClO4-. The Haldane gap and J value of this compound are estimated to be 21.6 K and -70.6 K, respectively. These absolute values are larger than those of Ni(en)2(NO2)(ClO4) (hereafter abbreviated as NENP) which has a NO2--bridged structure and has been extensively investigated so far.

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