Abstract

Temperature dependence of the photoinduced charge transfer process in Rb0.94Mn[Fe(CN)6]0.98·0.2H2O was investigated by observing the pair valence states of adjacent metal ions by Raman spectroscopy. After irradiation by 395 nm light in resonance with ligand-to-metal charge transfer band (CN- → Fe(III)), the photoinduced phase containing low-temperature-like phase was generated as a result of the charge transfer from Mn(II) to Fe(III). Since this process was suppressed upon cooling, it was suggested that the charge transfer process was assisted by a thermal-activated process.

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