Magnetic exchange interaction between rare-earth and Mn ions in multiferroic hexagonal manganites

We report a study of magnetic dynamics in multiferroic hexagonal manganite HoMnO3 by far-infrared spectroscopy. The low-temperature magnetic excitation spectrum of HoMnO3 consists of magnetic-dipole transitions of Ho ions within the crystal-field split J = 8 manifold and of the triangular antiferrom...

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Veröffentlicht in:	Physical review letters 2008-12, Vol.101 (24), p.247601-247601, Article 247601
Hauptverfasser:	Talbayev, D, LaForge, A D, Trugman, S A, Hur, N, Taylor, A J, Averitt, R D, Basov, D N
Format:	Artikel
Sprache:	eng
Schlagworte:	CRYSTAL FIELD EXCHANGE INTERACTIONS EXCITATION GROUND STATES HAMILTONIANS MATERIALS SCIENCE RESONANCE SPECTROSCOPY SPIN
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