Role of the intermediate state in the photoinduced process of Co-Fe cyanide

被引：18

作者：

Moritomo, Y. ^{[1
]}

Nakada, F.

Kamioka, H.

Hozumi, T.

Ohkoshi, S.

机构：

[1] Univ Tsukuba, Dept Phys, Tsukuba, Ibaraki 3058571, Japan

[2] Univ Tokyo, Dept Chem, Tokyo 1130033, Japan

来源：

PHYSICAL REVIEW B | 2007年 / 75卷 / 21期

关键词：

D O I：

10.1103/PhysRevB.75.214110

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The dynamics of the photoinduced phase transition has been investigated for the Co-Fe cyanide film, Na0.35Co[Fe(CN)(6)](0.79)center dot 3.7H(2)O, by means of the transient absorption spectroscopy. We observed two characteristic transient bands: short-lived intermediate band (I band) at similar to 1.9 eV and long-lived photoinduced band (PI band) at similar to 2.5 eV. We have found that the intensity of the I band transfers to the PI band as time exceeds, and interpreted the behavior in terms of the intersystem crossing from the photocreated low-spin Co2+ species to the high-spin species. We further have found that the excitation spectra of these bands are qualitatively different.

引用

页数：4

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