Large lattice responses in a mixed-valence Prussian blue analogue owing to electronic and spin transitions induced by X-ray irradiation

被引：93

作者：

Margadonna, S

Prassides, K

Fitch, AN

机构：

[1] Univ Sussex, Dept Chem, Brighton BN1 9QJ, E Sussex, England

[2] European Synchrotron Radiat Facil, F-38042 Grenoble, France

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2004年 / 43卷 / 46期

关键词：

electron transfer; mixed-valence compounds; phase transitions; photochemistry; Prussian blue analogues; solid-state structures;

D O I：

10.1002/anie.200460603

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Illuminating phase changes: Absorption of X-ray photons induces reversible internal charge-transfer processes in the mixed-valence Mn/Fe cyanide Rb 0.7MnII1.15[FeIII(CN) 6]·2 H2O over a broad temperature range. Both continuous and abrupt phase transformations can be triggered (see scheme; HS = high spin, LS = low spin) and because the X-rays simultaneously probe the structural properties of the material, the resulting phase diagram can be elucidated in detail. (Graph presented).

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页码：6316 / 6319

页数：4

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