Photoinduced Magnetization in a Two-Dimensional Cobalt Octacyanotungstate

Photoinduced Magnetization in a Two-Dimensional Cobalt Octacyanotungstate

A new type of cyano-bridged Co−W bimetallic assembly, CsI[{CoII(3-cyanopyridine)2}{WV(CN)8}]·H2O was synthesized. This compound exhibited a temperature-induced phase transition and a photoinduced magnetization. Irradiating with light induced a spontaneous magnetization with a magnetic phase transiti...

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Veröffentlicht in:Journal of the American Chemical Society 2003-08, Vol.125 (31), p.9240-9241
Hauptverfasser: Arimoto, Yoichi, Ohkoshi, Shin-ichi, Zhong, Zhuang Jin, Seino, Hidetake, Mizobe, Yasushi, Hashimoto, Kazuhito
Format: Artikel
Sprache:eng
Schlagworte:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Magnetic properties and materials
Molecular magnets
Physics
Studies of specific magnetic materials
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Zusammenfassung:A new type of cyano-bridged Co−W bimetallic assembly, CsI[{CoII(3-cyanopyridine)2}{WV(CN)8}]·H2O was synthesized. This compound exhibited a temperature-induced phase transition and a photoinduced magnetization. Irradiating with light induced a spontaneous magnetization with a magnetic phase transition temperature at 30 K. This photoinduced magnetization is due to the phase transition from CoIII(LS; S = 0)−WIV(S = 0) to CoII(HS; S = 3/2)−WV(S = 1/2) phases by the irradiation.
ISSN:0002-7863
1520-5126
DOI:10.1021/ja030130i