Magnetic ordering in a frustrated bow-tie lattice

Laura J. Vera Stimpson; Efrain E. Rodriguez; Craig M. Brown; Gavin B. G. Stenning; Marek Jura; Donna C. Arnold

doi:10.1039/C7TC05187E

Magnetic ordering in a frustrated bow-tie lattice†

Laura J. Vera Stimpson,

^a Efrain E. Rodriguez,

^b Craig M. Brown,

^c Gavin B. G. Stenning,^d Marek Jura

^d and Donna C. Arnold

*^a

Author affiliations

* Corresponding authors

^a School of Physical Sciences, University of Kent, Canterbury, Kent, UK
E-mail: d.c.arnold@kent.ac.uk
Tel: +44 (0)1227 827810

^b Department of Chemistry and Biochemistry, University of Maryland, College Park, Maryland, USA

^c NIST Center for Neutron Research, 100 Bureau Drive, Gaithersburg, Maryland, USA

^d ISIS Neutron and Muon Source, Rutherford Appleton Laboratory, Harwell Science and Innovation Campus, Didcot, UK

Abstract

We report a systematic X-ray and powder neutron diffraction study of the geometrically frustrated material, Ca₂Mn₃O₈. Ca₂Mn₃O₈ exhibits a ‘bow-tie’ like connectivity of Mn⁴⁺ with Ca²⁺ occupying octahedral sites between MnO₆ layers. Magnetic refinements of neutron powder diffraction data indicate that the spins order with a canted four sub-lattice-like (↑↑↓↓) arrangement below ∼50 K. In addition, short range magnetic correlations can be seen to persist until ∼130 K.

This article is part of the themed collection: Celebrating Excellence in Research: Women of Materials Science

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DOI: https://doi.org/10.1039/C7TC05187E
Article type: Paper
Submitted: 14 Nov. 2017
Accepted: 22 Febr. 2018
First published: 17 Apr. 2018
This article is Open Access

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J. Mater. Chem. C, 2018,6, 4541-4548

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Magnetic ordering in a frustrated bow-tie lattice

L. J. Vera Stimpson, E. E. Rodriguez, C. M. Brown, G. B. G. Stenning, M. Jura and D. C. Arnold, J. Mater. Chem. C, 2018, 6, 4541 DOI: 10.1039/C7TC05187E

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Journal of Materials Chemistry C

Magnetic ordering in a frustrated bow-tie lattice†

Abstract

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Magnetic ordering in a frustrated bow-tie lattice

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