First observation of photoinduced magnetization for the cyano-bridged 3d-4f heterobimetallic assembly Nd(DMF)4(H2O)3(μ-CN)Fe(CN)5.H2O (DMF = N,N-dimethylformamide)

Guangming Li; Takashiro Akitsu; Osamu Sato; Yasuaki Einaga

doi:10.1023/b:hype.0000043230.55802.c7

First observation of photoinduced magnetization for the cyano-bridged 3d-4f heterobimetallic assembly Nd(DMF)₄(H₂O)₃(μ-CN)Fe(CN)₅.H₂O (DMF = N,N-dimethylformamide)

Guangming Li
, Takashiro Akitsu
, Osamu Sato
, Yasuaki Einaga

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

7 Citations (Scopus)

Abstract

Photoinduced magnetization of the cyano-bridged 3d-4f hetero-bimetallic assembly Nd (DMF)₄(H₂O)₃(μ-CN)Fe(CN)₅.H₂O (1) (DMF = N,N-dimethylformamide) is described in this paper. The χM_T values are enhanced by about 45% after UV light illumination in the temperature range of 5-50 K. We propose that UV light illumination induces a structural distortion in 1. This small structural change is propagated by molecular interactions in the inorganic network. Furthermore, the cooperativity resulting from the molecular interaction functions to increase the activation energy of the relaxation processes, which makes observation of the photoexcited state possible. The flexible network structure through the hydrogen bonds in 1 plays an essential role for the photoinduced phenomenon. This finding may open up a new domain for developing molecule-based magnetic materials.

Original language	English
Pages (from-to)	143-149
Number of pages	7
Journal	Hyperfine Interactions
Volume	156-157
Issue number	1-4
DOIs	https://doi.org/10.1023/b:hype.0000043230.55802.c7
Publication status	Published - Mar 2004
Externally published	Yes

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics
Nuclear and High Energy Physics
Condensed Matter Physics
Physical and Theoretical Chemistry

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10.1023/b:hype.0000043230.55802.c7

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title = "First observation of photoinduced magnetization for the cyano-bridged 3d-4f heterobimetallic assembly Nd(DMF)4(H2O)3(μ-CN)Fe(CN)5.H2O (DMF = N,N-dimethylformamide)",

abstract = "Photoinduced magnetization of the cyano-bridged 3d-4f hetero-bimetallic assembly Nd (DMF)4(H2O)3(μ-CN)Fe(CN)5.H2O (1) (DMF = N,N-dimethylformamide) is described in this paper. The χMT values are enhanced by about 45\% after UV light illumination in the temperature range of 5-50 K. We propose that UV light illumination induces a structural distortion in 1. This small structural change is propagated by molecular interactions in the inorganic network. Furthermore, the cooperativity resulting from the molecular interaction functions to increase the activation energy of the relaxation processes, which makes observation of the photoexcited state possible. The flexible network structure through the hydrogen bonds in 1 plays an essential role for the photoinduced phenomenon. This finding may open up a new domain for developing molecule-based magnetic materials.",

author = "Guangming Li and Takashiro Akitsu and Osamu Sato and Yasuaki Einaga",

year = "2004",

month = mar,

doi = "10.1023/b:hype.0000043230.55802.c7",

language = "English",

volume = "156-157",

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journal = "Hyperfine Interactions",

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T1 - First observation of photoinduced magnetization for the cyano-bridged 3d-4f heterobimetallic assembly Nd(DMF)4(H2O)3(μ-CN)Fe(CN)5.H2O (DMF = N,N-dimethylformamide)

AU - Li, Guangming

AU - Akitsu, Takashiro

AU - Sato, Osamu

AU - Einaga, Yasuaki

PY - 2004/3

Y1 - 2004/3

N2 - Photoinduced magnetization of the cyano-bridged 3d-4f hetero-bimetallic assembly Nd (DMF)4(H2O)3(μ-CN)Fe(CN)5.H2O (1) (DMF = N,N-dimethylformamide) is described in this paper. The χMT values are enhanced by about 45% after UV light illumination in the temperature range of 5-50 K. We propose that UV light illumination induces a structural distortion in 1. This small structural change is propagated by molecular interactions in the inorganic network. Furthermore, the cooperativity resulting from the molecular interaction functions to increase the activation energy of the relaxation processes, which makes observation of the photoexcited state possible. The flexible network structure through the hydrogen bonds in 1 plays an essential role for the photoinduced phenomenon. This finding may open up a new domain for developing molecule-based magnetic materials.

AB - Photoinduced magnetization of the cyano-bridged 3d-4f hetero-bimetallic assembly Nd (DMF)4(H2O)3(μ-CN)Fe(CN)5.H2O (1) (DMF = N,N-dimethylformamide) is described in this paper. The χMT values are enhanced by about 45% after UV light illumination in the temperature range of 5-50 K. We propose that UV light illumination induces a structural distortion in 1. This small structural change is propagated by molecular interactions in the inorganic network. Furthermore, the cooperativity resulting from the molecular interaction functions to increase the activation energy of the relaxation processes, which makes observation of the photoexcited state possible. The flexible network structure through the hydrogen bonds in 1 plays an essential role for the photoinduced phenomenon. This finding may open up a new domain for developing molecule-based magnetic materials.

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DO - 10.1023/b:hype.0000043230.55802.c7

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VL - 156-157

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First observation of photoinduced magnetization for the cyano-bridged 3d-4f heterobimetallic assembly Nd(DMF)₄(H₂O)₃(μ-CN)Fe(CN)₅.H₂O (DMF = N,N-dimethylformamide)

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