Title :
Direct observation of magnon dynamics in multiferroic HoMnO3
Author :
Bowlan, P. ; Yarotski, D.A. ; Hur, N.J. ; Taylor, A.J. ; Prasankumar, R.P.
Author_Institution :
Center for Integrated Nanotechnol., Los Alamos Nat. Lab., Los Alamos, NM, USA
Abstract :
We directly resolve energy transfer pathways from electrons to magnons in multiferroic HoMnO3 using ultrafast optical/terahertz spectroscopy. This reveals that energy is initially transferred from electrons to phonons and subsequently to magnons through spin-lattice relaxation.
Keywords :
electron-phonon interactions; high-speed optical techniques; holmium compounds; magnons; multiferroics; spin-lattice relaxation; terahertz wave spectra; HoMnO3; energy transfer pathways; magnon dynamics; multiferroics; phonons; spin-lattice relaxation; terahertz spectroscopy; ultrafast optical spectroscopy; Electron optics; Magnetoelectric effects; Optical coupling; Optical pulses; Optical pumping; Temperature measurement; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA
