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Exploring the Effects of Synthetic and Postsynthetic Grinding on the Properties of the Spin Crossover Material [Fe(atrz)3](BF4)2 (atrz = 4-Amino-4H-1,2,4-Triazole)

Askew, Jed H., Pickup, David M., Lloyd, Gareth O., Chadwick, Alan V., Shepherd, Helena J. (2020) Exploring the Effects of Synthetic and Postsynthetic Grinding on the Properties of the Spin Crossover Material [Fe(atrz)3](BF4)2 (atrz = 4-Amino-4H-1,2,4-Triazole). Magnetochemistry, 6 (3). Article Number 44. ISSN 2312-7481. (doi:10.3390/magnetochemistry6030044) (KAR id:83791)

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https://doi.org/10.3390/magnetochemistry6030044

Abstract

The effects of mechanochemical synthesis and postsynthetic grinding on the spin crossover material [Fe(atrz)3](BF4)2 was examined in detail using a combination of X-ray diffraction, magnetometry, EXAFS and TEM. Mechanochemical synthesis yielded a different polymorph (β-phase) to the solution synthesised sample (α-phase), with a lower temperature spin crossover. Milling duration did not significantly affect this temperature but did result in the production of smaller nanoparticles with a narrower size distribution. It is also possible to convert from α- to the β-phase via postsynthetic grinding.

Item Type: Article
DOI/Identification number: 10.3390/magnetochemistry6030044
Uncontrolled keywords: spin crossover, mechanochemistry
Divisions: Divisions > Division of Natural Sciences > School of Physical Sciences
Depositing User: Helena Shepherd
Date Deposited: 28 Oct 2020 11:30 UTC
Last Modified: 16 Feb 2021 14:15 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/83791 (The current URI for this page, for reference purposes)
Shepherd, Helena J.: https://orcid.org/0000-0003-0832-4475
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