Issue 22, 2024

Magnetic structure and properties of the honeycomb antiferromagnet [Na(OH2)3]Mn(NCS)3

Abstract

We report the magnetic structure and properties of a thiocyanate-based honeycomb magnet [Na(OH2)3]Mn(NCS)3 which crystallises in the unusual low-symmetry trigonal space group P[3 with combining macron]. Magnetic measurements on powder samples show this material is an antiferromagnet (ordering temperature TN,mag = 18.1(6) K) and can be described by nearest neighbour antiferromagnetic interactions J = −11.07(4) K. A method for growing neutron-diffraction sized single crystals (>10 mm3) is demonstrated. Low temperature neutron single crystal diffraction shows that the compound adopts the collinear antiferromagnetic structure with TN,neut = 18.94(7) K, magnetic space group P[3 with combining macron]′. Low temperature second-harmonic generation (SHG) measurements provide no evidence of breaking of the centre of symmetry.

Graphical abstract: Magnetic structure and properties of the honeycomb antiferromagnet [Na(OH2)3]Mn(NCS)3

Supplementary files

Article information

Article type
Communication
Submitted
26 3月 2024
Accepted
13 5月 2024
First published
14 5月 2024
This article is Open Access
Creative Commons BY license

Phys. Chem. Chem. Phys., 2024,26, 15844-15849

Magnetic structure and properties of the honeycomb antiferromagnet [Na(OH2)3]Mn(NCS)3

M. Geers, T. B. Gill, A. D. Burnett, E. N. Bassey, O. Fabelo, L. Cañadillas-Delgado and M. J. Cliffe, Phys. Chem. Chem. Phys., 2024, 26, 15844 DOI: 10.1039/D4CP01265H

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