Abstract
We have performed electron spin resonance (ESR) and magnetization measurements on single crystals of K-Fe-jarosite along the a-axis (in the kagome-plane). We have calculated the resonance branches and the magnetization curve using a spin Hamiltonian including the interlayer exchange and the Dzyaloshinsky-Moriya (DM) interactions. By putting the same parameter values for the analyses along the c-axis (normal to the kagome plane), the calculated results show satisfactory agreement with the experimental ones. As a result, we have successfully explained all the experimental results with one set of the intra- and the inter-plane exchange and the DM interaction parameters.
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Acknowledgements
We thank T. Kimura for the use of Laue photography apparatus. This work was supported by Grants-in-Aid for Scientific Research (No. 20340089), and the Global COE Program (Core Research and Engineering of Advanced Materials, Interdisciplinary Education Center for Materials Science) (No. G10) from the MEXT, Japan.
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Fujita, T., Hagiwara, M., Yamaguchi, H. et al. High-Field Magnetism of the S=5/2 Kagome-Lattice Antiferromagnet KFe3(OH)6(SO4)2 for the Magnetic Field in the Kagome-Plane. J Low Temp Phys 170, 242–247 (2013). https://doi.org/10.1007/s10909-012-0759-4
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DOI: https://doi.org/10.1007/s10909-012-0759-4