Anomalous Pressure Effects on the Electrical Conductivity of the Spin Crossover Complex [Fe(pyrazine){Au(CN)<sub>2</sub>}<sub>2</sub>]

Anomalous Pressure Effects on the Electrical Conductivity of the Spin Crossover Complex [Fe(pyrazine){Au(CN)<sub>2</sub>}<sub>2</sub>]

We studied the spin-state dependence of the electrical conductivity of two nanocrystalline powder samples of the spin crossover complex [Fe(pyrazine){Au(CN)<sub>2</sub>}<sub>2</sub>]. By applying an external pressure (up to 3 kbar), we were able to tune the charge transport p...

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Bibliographic Details
Main Authors: Andrei-Cristian Gheorghe, Yurii S. Bibik, Olesia I. Kucheriv, Diana D. Barakhtii, Marin-Vlad Boicu, Ionela Rusu, Andrei Diaconu, Il’ya A. Gural’skiy, Gábor Molnár, Aurelian Rotaru
Format: Article
Language:English
Published: MDPI AG 2020-07-01
Series:Magnetochemistry
Subjects:
spin crossover
charge transport
high pressure
Online Access:https://www.mdpi.com/2312-7481/6/3/31
Description
Summary:We studied the spin-state dependence of the electrical conductivity of two nanocrystalline powder samples of the spin crossover complex [Fe(pyrazine){Au(CN)<sub>2</sub>}<sub>2</sub>]. By applying an external pressure (up to 3 kbar), we were able to tune the charge transport properties of the material from a more conductive low spin state to a crossover point toward a more conductive high spin state. We rationalize these results by taking into account the spin-state dependence of the activation parameters of the conductivity.
ISSN:2312-7481

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