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Electromagnon Excitation of the Triangular Lattice Antiferromagnet CuFeO2 in High Magnetic Fields |
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| Authors: | S. Kimura K. Watanabe T. Fujita M. Hagiwara H. Yamaguchi T. Kashiwagi N. Terada |
| Affiliation: | 1. Institute for Materials Research, Tohoku University, Katahira 2-1-1, Sendai, 980-8577, Japan 2. KYOKUGEN, Osaka University, Toyonaka, Osaka, 560-8531, Japan 3. Department of Physical Science, Osaka Prefecture University, Sakai, Osaka, 599-8531, Japan 4. Graduate School of Pure and Applied Sciences, University of Tsukuba, Tsukuba, Ibaraki, 305-8573, Japan 5. National Institute for Materials Science, Tsukuba, Ibaraki, 305-0044, Japan |
| Abstract: | In this paper, we report results of high field ESR measurements of the triangular lattice antiferromagnet CuFeO2. From polarization measurements for the ESR signals, we show an appearance of the electromagnon excitation in the field-induced 1/5 plateau phase of this compound. |
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