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EDP Sciences, The European Physical Journal B, 3(80), p. 351-354

DOI: 10.1140/epjb/e2011-10691-3

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High-Frequency Electromagnon in GdMnO3

Journal article published in 2010 by A. M. Shuvaev, F. Mayr ORCID, A. Loidl ORCID, A. A. Mukhin, A. Pimenov
This paper is available in a repository.
This paper is available in a repository.

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Abstract

We present the results of transmittance experiments on GdMnO3 multiferroic manganite in the far infrared frequency range. The spectra allow to obtain the positions and the intensity of the high frequency electromagnon (~ 75 cm-1) in this compound. We present the comparative analysis of the high and low frequency electromagnons across the phase diagram of GdMnO3. The traces of the electromagnon excitation can be detected even at room temperature, i.e. deeply in the paramagnetic state. ; Comment: 4 pages, 3 figures