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Dzyaloshinskii-Moriya interaction and spin reorientation transition in the frustrated kagome lattice antiferromagnet

Matan, K., Bartlett, B. M., Helton, J. S., Sikolenko, V., Mat'Aš, S., Prokeš, K., Chen, Y., Lynn, J. W., Grohol, D., Sato, T. J., Tokunaga, M., Nocera, D. G. and Lee, Y. S. 2011, Dzyaloshinskii-Moriya interaction and spin reorientation transition in the frustrated kagome lattice antiferromagnet, Physical review B - condensed matter and materials physics, vol. 83, no. 21, pp. 1-12, doi: 10.1103/PhysRevB.83.214406.

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Title Dzyaloshinskii-Moriya interaction and spin reorientation transition in the frustrated kagome lattice antiferromagnet
Author(s) Matan, K.
Bartlett, B. M.
Helton, J. S.
Sikolenko, V.
Mat'Aš, S.
Prokeš, K.
Chen, Y.ORCID iD for Chen, Y. orcid.org/0000-0002-7322-2224
Lynn, J. W.
Grohol, D.
Sato, T. J.
Tokunaga, M.
Nocera, D. G.
Lee, Y. S.
Journal name Physical review B - condensed matter and materials physics
Volume number 83
Issue number 21
Article ID 214406
Start page 1
End page 12
Total pages 12
Publisher ‎American Physical Society‎
Place of publication College Park, Md.
Publication date 2011-06-09
ISSN 1098-0121
1550-235X
Summary Magnetization, specific heat, and neutron scattering measurements were performed to study a magnetic transition in jarosite, a spin-52 kagome lattice antiferromagnet. When a magnetic field is applied perpendicular to the kagome plane, magnetizations in the ordered state show a sudden increase at a critical field H c , indicative of the transition from antiferromagnetic to ferromagnetic states. This sudden increase arises as the spins on alternate kagome planes rotate 180 ° to ferromagnetically align the canted moments along the field direction. The canted moment on a single kagome plane is a result of the Dzyaloshinskii-Moriya interaction. For H < H c , the weak ferromagnetic interlayer coupling forces the spins to align in such an arrangement that the canted components on any two adjacent layers are equal and opposite, yielding a zero net magnetic moment. For H > H c , the Zeeman energy overcomes the interlayer coupling causing the spins on the alternate layers to rotate, aligning the canted moments along the field direction. Neutron scattering measurements provide the first direct evidence of this 180 ° spin rotation at the transition.
Language eng
DOI 10.1103/PhysRevB.83.214406
Field of Research 091209 Polymers and Plastics
02 Physical Sciences
03 Chemical Sciences
Socio Economic Objective 970110 Expanding Knowledge in Technology
HERDC Research category C1.1 Refereed article in a scholarly journal
Grant ID NSF under Grant No. DMR 0239377
MRSEC program under Grant No. DMR 02-13282
Copyright notice ©2011, American Physical Society
Free to Read? Yes
Persistent URL http://hdl.handle.net/10536/DRO/DU:30101982

Document type: Journal Article
Collections: Institute for Frontier Materials
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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.