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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/14380
Title: High-field multifrequency ESR in the S=52 kagome-lattice antiferromagnet KFe 3(OH) 6(SO 4) 2
Authors: T. Fujita
H. Yamaguchi
S. Kimura
T. Kashiwagi
M. Hagiwara
K. Matan
D. Grohol
D. G. Nocera
Y. S. Lee
Osaka University
Mahidol University
The Dow Chemical Company
Massachusetts Institute of Technology
Osaka Prefecture University
Institute for Materials Research, Tohoku University
University of Tsukuba
Keywords: Materials Science;Physics and Astronomy
Issue Date: 6-Mar-2012
Citation: Physical Review B - Condensed Matter and Materials Physics. Vol.85, No.9 (2012)
Abstract: We have performed high-field multifrequency electron spin resonance (ESR) and high-field magnetization measurements in magnetic fields H of up to 53 T on single crystals of the kagome-lattice antiferromagnet KFe 3 (OH) 6 (SO 4 ) 2 . We have analyzed the magnetization curve and the ESR excitation modes for Hc by using two kinds of anisotropy origins, the Dzyaloshinsky-Moriya (DM) interactions and the single-ion anisotropy, the former of which is inevitable in a kagome-lattice antiferromagnet. We obtained good agreement between experiment and calculation for the case of the DM interactions. In addition, we have clarified the origin of a field-induced metamagnetic transition observed in the magnetization curve and determined the intraplane and interplane exchanges and the DM interaction parameters. © 2012 American Physical Society.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84863249789&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/14380
ISSN: 1550235X
10980121
Appears in Collections:Scopus 2011-2015

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