Electron spin carriers in halogen-bridged 1-D complexes with non-degenerate CDW ground state

N. Kimura; H. Suzuki; T. Kawashima; T. Manabe; M. Yamashita; R. Ikeda

doi:10.1016/S0379-6779(98)00661-4

Electron spin carriers in halogen-bridged 1-D complexes with non-degenerate CDW ground state

N. Kimura, H. Suzuki, T. Kawashima, T. Manabe, M. Yamashita, R. Ikeda

Advanced Institute for Materials Research (AIMR)

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

1 Citation (Scopus)

Abstract

We measured temperature dependences of ESR spectra and ¹H NMR spin-lattice relaxation time T₁ on recently prepared mixed-valence hetero-metal complexes [Pd(en)₂][PtX₂(en)₂](ClO₄)₄ (en: ethylenediamine; X: Cl, Br) which consist of a 1-D structure of -X-Pd^II-X-Pt^IV-X-Pd^II-X-Pt^IV-X- chain giving a non-degenerated electronic ground state. The observed low-concentration of paramagnetic M^III sites and also long ¹H NMR T_l compared with those in homo-metal complexes [M^II(en)₂] [M^IVX₂(en)₂](ClO₄)₄ (M: Pt, Pd; X: Cl, Br) having the degenerated ground state, can be explained well by the hindrance of the formation of domain-wall type spin solitons in the hetero-metal complexes. This result supports our previous conclusion of the neutral soliton formation in the homo-metal halogen-bridged complexes.

Original language	English
Pages (from-to)	2604-2605
Number of pages	2
Journal	Synthetic Metals
Volume	103
Issue number	1-3
DOIs	https://doi.org/10.1016/S0379-6779(98)00661-4
Publication status	Published - 1999 Jun 24
Event	Proceedings of the 1998 International Conference on Science and Technology of Synthetic Metals (ICSM-98) - Montpellier Duration: 1998 Jul 12 → 1998 Jul 18

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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title = "Electron spin carriers in halogen-bridged 1-D complexes with non-degenerate CDW ground state",

abstract = "We measured temperature dependences of ESR spectra and 1H NMR spin-lattice relaxation time T1 on recently prepared mixed-valence hetero-metal complexes [Pd(en)2][PtX2(en)2](ClO4)4 (en: ethylenediamine; X: Cl, Br) which consist of a 1-D structure of -X-PdII-X-PtIV-X-PdII-X-PtIV-X- chain giving a non-degenerated electronic ground state. The observed low-concentration of paramagnetic MIII sites and also long 1H NMR Tl compared with those in homo-metal complexes [MII(en)2] [MIVX2(en)2](ClO4)4 (M: Pt, Pd; X: Cl, Br) having the degenerated ground state, can be explained well by the hindrance of the formation of domain-wall type spin solitons in the hetero-metal complexes. This result supports our previous conclusion of the neutral soliton formation in the homo-metal halogen-bridged complexes.",

author = "N. Kimura and H. Suzuki and T. Kawashima and T. Manabe and M. Yamashita and R. Ikeda",

note = "Funding Information: This work was partly supported by grant-in-aid Research (B) No. 09440234 from the Ministry Science, Sports and Culture, Japan.; Proceedings of the 1998 International Conference on Science and Technology of Synthetic Metals (ICSM-98) ; Conference date: 12-07-1998 Through 18-07-1998",

year = "1999",

month = jun,

day = "24",

doi = "10.1016/S0379-6779(98)00661-4",

language = "English",

volume = "103",

pages = "2604--2605",

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TY - JOUR

T1 - Electron spin carriers in halogen-bridged 1-D complexes with non-degenerate CDW ground state

AU - Kimura, N.

AU - Suzuki, H.

AU - Kawashima, T.

AU - Manabe, T.

AU - Yamashita, M.

AU - Ikeda, R.

N1 - Funding Information: This work was partly supported by grant-in-aid Research (B) No. 09440234 from the Ministry Science, Sports and Culture, Japan.

PY - 1999/6/24

Y1 - 1999/6/24

N2 - We measured temperature dependences of ESR spectra and 1H NMR spin-lattice relaxation time T1 on recently prepared mixed-valence hetero-metal complexes [Pd(en)2][PtX2(en)2](ClO4)4 (en: ethylenediamine; X: Cl, Br) which consist of a 1-D structure of -X-PdII-X-PtIV-X-PdII-X-PtIV-X- chain giving a non-degenerated electronic ground state. The observed low-concentration of paramagnetic MIII sites and also long 1H NMR Tl compared with those in homo-metal complexes [MII(en)2] [MIVX2(en)2](ClO4)4 (M: Pt, Pd; X: Cl, Br) having the degenerated ground state, can be explained well by the hindrance of the formation of domain-wall type spin solitons in the hetero-metal complexes. This result supports our previous conclusion of the neutral soliton formation in the homo-metal halogen-bridged complexes.

AB - We measured temperature dependences of ESR spectra and 1H NMR spin-lattice relaxation time T1 on recently prepared mixed-valence hetero-metal complexes [Pd(en)2][PtX2(en)2](ClO4)4 (en: ethylenediamine; X: Cl, Br) which consist of a 1-D structure of -X-PdII-X-PtIV-X-PdII-X-PtIV-X- chain giving a non-degenerated electronic ground state. The observed low-concentration of paramagnetic MIII sites and also long 1H NMR Tl compared with those in homo-metal complexes [MII(en)2] [MIVX2(en)2](ClO4)4 (M: Pt, Pd; X: Cl, Br) having the degenerated ground state, can be explained well by the hindrance of the formation of domain-wall type spin solitons in the hetero-metal complexes. This result supports our previous conclusion of the neutral soliton formation in the homo-metal halogen-bridged complexes.

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U2 - 10.1016/S0379-6779(98)00661-4

DO - 10.1016/S0379-6779(98)00661-4

M3 - Conference article

AN - SCOPUS:0033137986

SN - 0379-6779

VL - 103

SP - 2604

EP - 2605

JO - Synthetic Metals

JF - Synthetic Metals

IS - 1-3

T2 - Proceedings of the 1998 International Conference on Science and Technology of Synthetic Metals (ICSM-98)

Y2 - 12 July 1998 through 18 July 1998

ER -

Electron spin carriers in halogen-bridged 1-D complexes with non-degenerate CDW ground state

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