Observation of an Fe(II) spin-crossover in a cesium iron hexacyanochromate

Wataru Kosaka, Kiyoshi Nomura, Kazuhito Hashimoto, Shin Ichi Ohkoshi

Research output: Contribution to journalArticlepeer-review

141 Citations (Scopus)


In this work, we observed a spin-crossover phenomenon in a cesium iron hexacyanochromate, which is a Prussian blue analogue. This compound showed a thermal phase transition with transition temperatures of 211 K (T1/2↓) and 238 K (T1/2↑) due to a spin-crossover on FeII sites. This spin-crossover phase transition is accompanied by a lattice contraction of 0.38 Å, but maintains a face-centered cubic structure (F 3m). This is the first observation of FeII spin-crossover in a series of Prussian blue analogues.

Original languageEnglish
Pages (from-to)8590-8591
Number of pages2
JournalJournal of the American Chemical Society
Issue number24
Publication statusPublished - 2005 Jun 22


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