Robust Room Temperature Hysteresis in an FeIII Spin Crossover Metallomesogen

Anthony J. Fitzpatrick; Paulo N. Martinho; Brendan J. Gildea; John D. Holbrey; Grace G. Morgan

doi:10.1002/ejic.201501335

Robust Room Temperature Hysteresis in an FeIII Spin Crossover Metallomesogen

Anthony J. Fitzpatrick, Paulo N. Martinho, Brendan J. Gildea, John D. Holbrey, Grace G. Morgan^*

^*Corresponding author for this work

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

10 Citations (Scopus)

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Abstract

The high temperature magnetic and structural properties of an amphiphilic iron(III) spin crossover complex are reported. Thermal cycling reveals a scan rate-dependent 20 K thermal hysteresis in the mT vs. T data close to room temperature. A fast scan rate is essential for the hysteresis but it is robust and reproducible after multiple thermal cycles. Differential scanning calorimetry and cross polarized microscopy are used to show that the magnetic switching aligns with a material state change from solid to ordered liquid phase on warming.

Original language	English
Pages (from-to)	2025-2029
Number of pages	5
Journal	European Journal of Inorganic Chemistry
Volume	2016
Issue number	13-14
Early online date	16 Dec 2015
DOIs	https://doi.org/10.1002/ejic.201501335
Publication status	Published - May 2016

Keywords

Amphiphiles
Iron
Liquid crystals
Metallomesogens
Spin crossover

ASJC Scopus subject areas

Inorganic Chemistry

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10.1002/ejic.201501335

Robust Room Temperature Hysteresis in an Fe(III) Spin Crossover Metallomesogen
Copyright © 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim This is the peer reviewed version of the following article: Fitzpatrick, A. J., Martinho, P. N., Gildea, B. J., Holbrey, J. D. and Morgan, G. G. (2015), Robust Room Temperature Hysteresis in an FeIII Spin Crossover Metallomesogen. Eur. J. Inorg. Chem, which has been published in final form at http://onlinelibrary.wiley.com/doi/10.1002/ejic.201501335/abstract. This article may be used for non-commercial purposes in accordance With Wiley-VCH Terms and Conditions for self-archiving
Accepted author manuscript, 1.31 MB

Cite this

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AU - Morgan, Grace G.

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Robust Room Temperature Hysteresis in an FeIII Spin Crossover Metallomesogen

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Keywords

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