Time-domain THz spectroscopy is used to extract simultaneously dielectric and magnetic properties of hexagonal YMnO<sup>3</sup>. A magnon in antiferromagnetic phase and possible electromagnon in paramagnetic phase were first observed.
© 2010 The Optical Society
C. Kadlec, P. Kuzel, S. Kamba, and R. V. Pisarev, "Terahertz Dielectric and Magnetic Response Near Magnetic Phase Transition in a Multiferroic Hexagonal YMnO<sup>3</sup>," in Conference on Lasers and Electro-Optics 2010, OSA Technical Digest (CD) (Optical Society of America, 2010), paper CMZ1.
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