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Disorder-Induced Structural Complexity in the Barlowite Family of S = 1/2 Kagomé Magnets

Tustain, Katherine; McCabe, Emma E.; Arevalo-Lopez, Angel M.; Gibbs, Aledandra S.; Thompson, Stephen P.; Murray, Claire A.; Ritter, Clemens; Clark, Lucy

Disorder-Induced Structural Complexity in the Barlowite Family of S = 1/2 Kagomé Magnets Thumbnail


Authors

Katherine Tustain

Angel M. Arevalo-Lopez

Aledandra S. Gibbs

Stephen P. Thompson

Claire A. Murray

Clemens Ritter

Lucy Clark



Abstract

We present a comprehensive structural and magnetic characterization of the barlowite family of S = 1/2 kagomé magnets, Cu4(OH)6FX, where X = Cl, Br, or I. Through high-resolution synchrotron X-ray and neutron powder diffraction measurements, we reveal two sources of structural complexity within this family of materials, namely, compositional disorder of the halide species that occupy sites in between the kagomé layers and the positional disorder of the interlayer Cu2+ ions that persists well into the Pnma structural ground state. We demonstrate that understanding these inherent structural disorders is key as they correlate with the degree of partial order in the magnetic ground states of these quantum frustrated magnets.

Citation

Tustain, K., McCabe, E. E., Arevalo-Lopez, A. M., Gibbs, A. S., Thompson, S. P., Murray, C. A., …Clark, L. (2021). Disorder-Induced Structural Complexity in the Barlowite Family of S = 1/2 Kagomé Magnets. Chemistry of Materials, 33(24), 9638-9651. https://doi.org/10.1021/acs.chemmater.1c03247

Journal Article Type Article
Acceptance Date Nov 17, 2021
Online Publication Date Dec 9, 2021
Publication Date Dec 28, 2021
Deposit Date Nov 18, 2021
Publicly Available Date Dec 9, 2022
Journal Chemistry of Materials
Print ISSN 0897-4756
Electronic ISSN 1520-5002
Publisher American Chemical Society
Peer Reviewed Peer Reviewed
Volume 33
Issue 24
Pages 9638-9651
DOI https://doi.org/10.1021/acs.chemmater.1c03247

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Copyright Statement
This document is the Accepted Manuscript version of a Published Work that appeared in final form in Chemistry of Materials, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see https://doi.org/10.1021/acs.chemmater.1c03247.






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