Electronic and magnetic properties of π-d interaction system: (EDTDM)2FeBr4

Kazuki Okabe; Kengo Enomoto; Akira Miyazaki; Toshiaki Enoki

doi:10.1080/10587250210720

Electronic and magnetic properties of π-d interaction system: (EDTDM)₂FeBr₄

Kazuki Okabe^*, Kengo Enomoto, Akira Miyazaki, Toshiaki Enoki

^*Corresponding author for this work

Applied Chemistry

Research output: Contribution to journal › Conference article › peer-review

10 Scopus citations

Abstract

(EDTDM)₂FeBr₄ based on π-d interaction system consists of quasi one-dimensional donor columns and square-lattice magnetic anion sheets (Fe³⁺(s=5/2)). It behaves metallic at high temperatures and undergoes a metal-insulator transition at T_MI∼15-20K, where the low temperature insulating phase is considered to be magnetic ordered state. The magnetic susceptibility, which is governed by Fe₃₊ d-spins, obeys the Curie-Weiss law in the high-temperature regime. Below 50K, the susceptibility deviates from the Curie-Weiss law and shows an antiferromagnetic transition at T_N∼3K. The anomalous magnetization curves indicate an important role of π-d interaction in the magnetic behavior.

Original language	English
Pages (from-to)	513-518
Number of pages	6
Journal	Molecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals
Volume	376
DOIs	https://doi.org/10.1080/10587250210720
State	Published - 2002
Event	Proceedings of the Interdisciplinary Symposium on Multifunctionality of Inorganic , Organic, and Their Hybrid Solids - Honolulu, HI, United States Duration: 2000/12/15 → 2000/12/18

Keywords

Antiferromagnetic transition
M-I transition
TTF derivative
π-d interaction

ASJC Scopus subject areas

Condensed Matter Physics

Access to Document

10.1080/10587250210720

Cite this

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title = "Electronic and magnetic properties of π-d interaction system: (EDTDM)2FeBr4",

abstract = "(EDTDM)2FeBr4 based on π-d interaction system consists of quasi one-dimensional donor columns and square-lattice magnetic anion sheets (Fe3+(s=5/2)). It behaves metallic at high temperatures and undergoes a metal-insulator transition at TMI∼15-20K, where the low temperature insulating phase is considered to be magnetic ordered state. The magnetic susceptibility, which is governed by Fe3+ d-spins, obeys the Curie-Weiss law in the high-temperature regime. Below 50K, the susceptibility deviates from the Curie-Weiss law and shows an antiferromagnetic transition at TN∼3K. The anomalous magnetization curves indicate an important role of π-d interaction in the magnetic behavior.",

keywords = "Antiferromagnetic transition, M-I transition, TTF derivative, π-d interaction",

author = "Kazuki Okabe and Kengo Enomoto and Akira Miyazaki and Toshiaki Enoki",

year = "2002",

doi = "10.1080/10587250210720",

language = "英語",

volume = "376",

pages = "513--518",

journal = "Molecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals",

issn = "1058-725X",

publisher = "Taylor and Francis Ltd.",

note = "Proceedings of the Interdisciplinary Symposium on Multifunctionality of Inorganic , Organic, and Their Hybrid Solids ; Conference date: 15-12-2000 Through 18-12-2000",

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TY - JOUR

T1 - Electronic and magnetic properties of π-d interaction system

T2 - Proceedings of the Interdisciplinary Symposium on Multifunctionality of Inorganic , Organic, and Their Hybrid Solids

AU - Okabe, Kazuki

AU - Enomoto, Kengo

AU - Miyazaki, Akira

AU - Enoki, Toshiaki

PY - 2002

Y1 - 2002

N2 - (EDTDM)2FeBr4 based on π-d interaction system consists of quasi one-dimensional donor columns and square-lattice magnetic anion sheets (Fe3+(s=5/2)). It behaves metallic at high temperatures and undergoes a metal-insulator transition at TMI∼15-20K, where the low temperature insulating phase is considered to be magnetic ordered state. The magnetic susceptibility, which is governed by Fe3+ d-spins, obeys the Curie-Weiss law in the high-temperature regime. Below 50K, the susceptibility deviates from the Curie-Weiss law and shows an antiferromagnetic transition at TN∼3K. The anomalous magnetization curves indicate an important role of π-d interaction in the magnetic behavior.

AB - (EDTDM)2FeBr4 based on π-d interaction system consists of quasi one-dimensional donor columns and square-lattice magnetic anion sheets (Fe3+(s=5/2)). It behaves metallic at high temperatures and undergoes a metal-insulator transition at TMI∼15-20K, where the low temperature insulating phase is considered to be magnetic ordered state. The magnetic susceptibility, which is governed by Fe3+ d-spins, obeys the Curie-Weiss law in the high-temperature regime. Below 50K, the susceptibility deviates from the Curie-Weiss law and shows an antiferromagnetic transition at TN∼3K. The anomalous magnetization curves indicate an important role of π-d interaction in the magnetic behavior.

KW - Antiferromagnetic transition

KW - M-I transition

KW - TTF derivative

KW - π-d interaction

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DO - 10.1080/10587250210720

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JO - Molecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals

JF - Molecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals

Y2 - 15 December 2000 through 18 December 2000

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