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Electron transfer induced magnetic ordering of metal-cyanide magnets

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Abstract

After over three decades of intense research effort, molecular cyanide magnets offer the prospect of low-temperature solution growth and stimuli-dependent magnetic properties. Central to the magnetic properties of cyanide compounds, electron transfer and spin coupling of structural cyanide networks are crucial because they control the magnetic ordering characteristics. However, the candidates of magnetically ordered molecules with controlled electron transfer are still very rare. Here we report atomic coordination induced control of electron transfer in solution grown metal-cyanide magnets, where the 2D FeSe layered material can react with the cyanide-chain dependent electron-accepting molecules, 7,7,8,8-tetracyanoquinodimethane and tetracyanoethylene. We demonstrate the electron transfer in Fe:cyanide networks, revealing its striking role in the magnetization and magnetic ordering. This study opens up a new avenue to design coordination magnets with high-temperature magnetic properties.

Graphical abstract: Electron transfer induced magnetic ordering of metal-cyanide magnets

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Article information


Submitted
06 Apr 2020
Accepted
26 May 2020
First published
28 May 2020

This article is Open Access

Mater. Adv., 2020, Advance Article
Article type
Communication

Electron transfer induced magnetic ordering of metal-cyanide magnets

Y. Huang, Y. Hu, L. An, Z. Li, J. N. Armstrong and S. Ren, Mater. Adv., 2020, Advance Article , DOI: 10.1039/D0MA00173B

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