Spin solitons in a halogen-bridged 1-D Pt complex

Noriyoshi Kimura; Shin'ichi Ishimaru; Hiroshi Okamoto; Masahiro Yamashita; Ryuicbi Ikeda

doi:10.1016/s0379-6779(97)81071-5

Spin solitons in a halogen-bridged 1-D Pt complex

Noriyoshi Kimura, Shin'ichi Ishimaru, Hiroshi Okamoto, Masahiro Yamashita, Ryuicbi Ikeda

Advanced Institute for Materials Research (AIMR)

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

6 Citations (Scopus)

Abstract

Temperature and Larmor frequency dependences of ¹H NMR relaxation time T₁ were measured in a 1-D halogen-bridged complex [Pt(en)₂][PtX₂(en)₂](C1O₄) ₄ in ranges of 90 - 300 K and 15 - 60 MHz, respectively. The observed main and long T₁ component was explainable by the magnetic dipolar relaxation due to electron spins diffusing along the 1-D chain containing paramagnetic Pt^III sites with a concentration of 10^-4 in molar ratio. These spins attributed to neutral spin solitons were shown to diffuse more rapidly than those in [Pd(chxn)₂][PdBr₂(chxn₂]Br₄ forming 2-D H-bond networks.

Original language	English
Pages (from-to)	2151-2152
Number of pages	2
Journal	Synthetic Metals
Volume	86
Issue number	1-3
DOIs	https://doi.org/10.1016/s0379-6779(97)81071-5
Publication status	Published - 1997 Feb 28

Keywords

Spin solitons

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 = "Temperature and Larmor frequency dependences of 1H NMR relaxation time T1 were measured in a 1-D halogen-bridged complex [Pt(en)2][PtX2(en)2](C1O4) 4 in ranges of 90 - 300 K and 15 - 60 MHz, respectively. The observed main and long T1 component was explainable by the magnetic dipolar relaxation due to electron spins diffusing along the 1-D chain containing paramagnetic PtIII sites with a concentration of 10-4 in molar ratio. These spins attributed to neutral spin solitons were shown to diffuse more rapidly than those in [Pd(chxn)2][PdBr2(chxn2]Br4 forming 2-D H-bond networks.",

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T1 - Spin solitons in a halogen-bridged 1-D Pt complex

AU - Kimura, Noriyoshi

AU - Ishimaru, Shin'ichi

AU - Okamoto, Hiroshi

AU - Yamashita, Masahiro

AU - Ikeda, Ryuicbi

PY - 1997/2/28

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N2 - Temperature and Larmor frequency dependences of 1H NMR relaxation time T1 were measured in a 1-D halogen-bridged complex [Pt(en)2][PtX2(en)2](C1O4) 4 in ranges of 90 - 300 K and 15 - 60 MHz, respectively. The observed main and long T1 component was explainable by the magnetic dipolar relaxation due to electron spins diffusing along the 1-D chain containing paramagnetic PtIII sites with a concentration of 10-4 in molar ratio. These spins attributed to neutral spin solitons were shown to diffuse more rapidly than those in [Pd(chxn)2][PdBr2(chxn2]Br4 forming 2-D H-bond networks.

AB - Temperature and Larmor frequency dependences of 1H NMR relaxation time T1 were measured in a 1-D halogen-bridged complex [Pt(en)2][PtX2(en)2](C1O4) 4 in ranges of 90 - 300 K and 15 - 60 MHz, respectively. The observed main and long T1 component was explainable by the magnetic dipolar relaxation due to electron spins diffusing along the 1-D chain containing paramagnetic PtIII sites with a concentration of 10-4 in molar ratio. These spins attributed to neutral spin solitons were shown to diffuse more rapidly than those in [Pd(chxn)2][PdBr2(chxn2]Br4 forming 2-D H-bond networks.

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