Electrically driven spin excitation in the ferroelectric magnetDyMnO3

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A ug 2 00 8 Electrically driven spin excitation in a ferroelectric magnet

Temperature (5–250 K) and magnetic field (0–70 kOe) variations of the low-energy (1–10 meV) electrodynamics of spin excitations have been investigated for a complete set of light-polarization configurations for a ferroelectric magnet DyMnO3 by using terahertz time-domain spectroscopy. We identify the pronounced absorption continuum (1–8 meV) with a peak feature around 2 meV, which is electric-d...

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ژورنال

عنوان ژورنال: Physical Review B

سال: 2008

ISSN: 1098-0121,1550-235X

DOI: 10.1103/physrevb.78.104414