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Observation of Antiferromagnetic Magnons in Manganese Oxide by THz-TDS

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Abstract

We observed the antiferromagnetic resonance absorption in MnO by terahertz time-domain spectroscopy (THz-TDS). The temperature dependences of the magnon frequency, the relaxation rate, and the magnetostrictive contribution to refractive index are discussed.

© 2012 Optical Society of America

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