Cation-driven electron transfer involving a spin transition at room temperature in a cobalt iron cyanide thin film

O. Sato; Y. Einaga; T. Iyoda; A. Fujishima; K. Hashimoto

doi:10.1021/jp9701451

Cation-driven electron transfer involving a spin transition at room temperature in a cobalt iron cyanide thin film

O. Sato, Y. Einaga, T. Iyoda, A. Fujishima, K. Hashimoto

Research output: Contribution to journal › Article › peer-review

88 Citations (Scopus)

Abstract

The electronic structure of a cobalt iron cyanide thin film, Na_0.4Co_1.3[Fe(CN)₆]5H₂O, was switched from Fe^III(low spin)-CN-Co^II(high spin) to Fe^II(low spin)-CN-Co^III(low spin) by exchanging cations in interstitial sites from Na⁺ to K⁺. The reverse process was also induced by replacing Na⁺ with K⁺. That is, the alkali cations in the interstitial sites dominate the electronic and spin states of the host compound. This type of switching phenomenon can be achieved by choosing a compound with both electronic degeneracy and zeolitic properties.

Original language	English
Pages (from-to)	X-3905
Journal	Journal of Physical Chemistry B
Volume	101
Issue number	20
DOIs	https://doi.org/10.1021/jp9701451
Publication status	Published - 1997 May 15
Externally published	Yes

ASJC Scopus subject areas

Physical and Theoretical Chemistry
Surfaces, Coatings and Films
Materials Chemistry

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abstract = "The electronic structure of a cobalt iron cyanide thin film, Na0.4Co1.3[Fe(CN)6]5H2O, was switched from FeIII(low spin)-CN-CoII(high spin) to FeII(low spin)-CN-CoIII(low spin) by exchanging cations in interstitial sites from Na+ to K+. The reverse process was also induced by replacing Na+ with K+. That is, the alkali cations in the interstitial sites dominate the electronic and spin states of the host compound. This type of switching phenomenon can be achieved by choosing a compound with both electronic degeneracy and zeolitic properties.",

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AU - Sato, O.

AU - Einaga, Y.

AU - Iyoda, T.

AU - Fujishima, A.

AU - Hashimoto, K.

PY - 1997/5/15

Y1 - 1997/5/15

N2 - The electronic structure of a cobalt iron cyanide thin film, Na0.4Co1.3[Fe(CN)6]5H2O, was switched from FeIII(low spin)-CN-CoII(high spin) to FeII(low spin)-CN-CoIII(low spin) by exchanging cations in interstitial sites from Na+ to K+. The reverse process was also induced by replacing Na+ with K+. That is, the alkali cations in the interstitial sites dominate the electronic and spin states of the host compound. This type of switching phenomenon can be achieved by choosing a compound with both electronic degeneracy and zeolitic properties.

AB - The electronic structure of a cobalt iron cyanide thin film, Na0.4Co1.3[Fe(CN)6]5H2O, was switched from FeIII(low spin)-CN-CoII(high spin) to FeII(low spin)-CN-CoIII(low spin) by exchanging cations in interstitial sites from Na+ to K+. The reverse process was also induced by replacing Na+ with K+. That is, the alkali cations in the interstitial sites dominate the electronic and spin states of the host compound. This type of switching phenomenon can be achieved by choosing a compound with both electronic degeneracy and zeolitic properties.

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