Netsu Sokutei
Online ISSN : 1884-1899
Print ISSN : 0386-2615
ISSN-L : 0386-2615
Review
In situ Electrochemical Hole Doping and Magnetic Response of Prussian Blue Thin Film
Mariko Noguchi
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JOURNAL FREE ACCESS

2019 Volume 46 Issue 4 Pages 188-194

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Abstract
Recently the electrical switching of magnetization and magnetic properties have been attempted by many researchers for the application to practical devices. This review introduces a significant magnetic response of Prussian Blue (PB) thin film incorporated in an ionic-liquid electrolysis cell by applying a DC bias voltage. Electrochemical hole doping into the PB film oxidized FeII to FeIII ions in the film, providing quasi-reversible electrochromic behaviour. We performed magnetic measurements of the electrolysis cell under a DC bias on an SQUID magnetometer. The switching of the film from a paramagnet to a ferrimagnet with a magnetic response at low temperatures and an in situ enhancement of magnetization of the film at 300 K were demonstrated.
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© 2019 The Japan Society of Calorimetry and Thermal Analysis
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