Origin of charge transfer phase transition and ferromagnetism in (CnH2n+1)4N[FeIIFeIII(dto )3] (dto=C2O2S2)

M. Enomoto; M. Itoi; Y. Ono; M. Okubo; N. Kojima

doi:10.1016/S0379-6779(02)00997-0

Origin of charge transfer phase transition and ferromagnetism in (C_nH_2n+1)₄N[Fe^IIFe^III(dto )₃] (dto=C₂O₂S₂)

M. Enomoto^*, M. Itoi, Y. Ono, M. Okubo, N. Kojima

^*Corresponding author for this work

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

8 Citations (Scopus)

Abstract

Mixed-valence complex (n-C₃H₇)₄N[Fe^IIFe^III(dto) ₃] (dto=C₂O₂S₃) shows a new-type of phase transition coupled with spin and charge around 120 K, where the charge transfer between the Fe^II and Fe^III sites occurs reversibly, and shows the ferromagnetic transition at 6.5 K. We have investigated the transport and magnetic properties for the single crystal of (n-C₃H₇)₄N[Fe^IIFe^III(dto) ₃]. Both of the intra- and interlayer resistivity showed an anomalous drop due to the charge transfer phase transition. The anisotropy of the magnetization implied that the spins in the ferromagnetic ordered state were aligned parallel to the layer of [Fe^IIFe^III (dto)₃]∞.

Original language	English
Pages (from-to)	1231-1232
Number of pages	2
Journal	Synthetic Metals
Volume	137
Issue number	1-3
DOIs	https://doi.org/10.1016/S0379-6779(02)00997-0
Publication status	Published - 2003 Apr 4
Externally published	Yes
Event	ICSM 2002 - Shanghai, China Duration: 2002 Jun 29 → 2002 Jul 5

Keywords

Magnetic measurements
Magnetic phase transition
Transport measurements

ASJC Scopus subject areas

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

Access to Document

10.1016/S0379-6779(02)00997-0

Cite this

@article{0515bdd568a54c73bca00c2bb63b5133,

title = "Origin of charge transfer phase transition and ferromagnetism in (CnH2n+1)4N[FeIIFeIII(dto )3] (dto=C2O2S2)",

abstract = "Mixed-valence complex (n-C3H7)4N[FeIIFeIII(dto) 3] (dto=C2O2S3) shows a new-type of phase transition coupled with spin and charge around 120 K, where the charge transfer between the FeII and FeIII sites occurs reversibly, and shows the ferromagnetic transition at 6.5 K. We have investigated the transport and magnetic properties for the single crystal of (n-C3H7)4N[FeIIFeIII(dto) 3]. Both of the intra- and interlayer resistivity showed an anomalous drop due to the charge transfer phase transition. The anisotropy of the magnetization implied that the spins in the ferromagnetic ordered state were aligned parallel to the layer of [FeIIFeIII (dto)3]∞.",

keywords = "Magnetic measurements, Magnetic phase transition, Transport measurements",

author = "M. Enomoto and M. Itoi and Y. Ono and M. Okubo and N. Kojima",

year = "2003",

month = apr,

day = "4",

doi = "10.1016/S0379-6779(02)00997-0",

language = "English",

volume = "137",

pages = "1231--1232",

journal = "Synthetic Metals",

issn = "0379-6779",

publisher = "Elsevier BV",

number = "1-3",

note = "ICSM 2002 ; Conference date: 29-06-2002 Through 05-07-2002",

}

TY - JOUR

T1 - Origin of charge transfer phase transition and ferromagnetism in (CnH2n+1)4N[FeIIFeIII(dto )3] (dto=C2O2S2)

AU - Enomoto, M.

AU - Itoi, M.

AU - Ono, Y.

AU - Okubo, M.

AU - Kojima, N.

PY - 2003/4/4

Y1 - 2003/4/4

N2 - Mixed-valence complex (n-C3H7)4N[FeIIFeIII(dto) 3] (dto=C2O2S3) shows a new-type of phase transition coupled with spin and charge around 120 K, where the charge transfer between the FeII and FeIII sites occurs reversibly, and shows the ferromagnetic transition at 6.5 K. We have investigated the transport and magnetic properties for the single crystal of (n-C3H7)4N[FeIIFeIII(dto) 3]. Both of the intra- and interlayer resistivity showed an anomalous drop due to the charge transfer phase transition. The anisotropy of the magnetization implied that the spins in the ferromagnetic ordered state were aligned parallel to the layer of [FeIIFeIII (dto)3]∞.

AB - Mixed-valence complex (n-C3H7)4N[FeIIFeIII(dto) 3] (dto=C2O2S3) shows a new-type of phase transition coupled with spin and charge around 120 K, where the charge transfer between the FeII and FeIII sites occurs reversibly, and shows the ferromagnetic transition at 6.5 K. We have investigated the transport and magnetic properties for the single crystal of (n-C3H7)4N[FeIIFeIII(dto) 3]. Both of the intra- and interlayer resistivity showed an anomalous drop due to the charge transfer phase transition. The anisotropy of the magnetization implied that the spins in the ferromagnetic ordered state were aligned parallel to the layer of [FeIIFeIII (dto)3]∞.

KW - Magnetic measurements

KW - Magnetic phase transition

KW - Transport measurements

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U2 - 10.1016/S0379-6779(02)00997-0

DO - 10.1016/S0379-6779(02)00997-0

M3 - Conference article

AN - SCOPUS:0037419313

SN - 0379-6779

VL - 137

SP - 1231

EP - 1232

JO - Synthetic Metals

JF - Synthetic Metals

IS - 1-3

T2 - ICSM 2002

Y2 - 29 June 2002 through 5 July 2002

ER -