Title :
Ultrafast pump-probe reflectance study of multiferroic Eu0.75Y0.25MnO3
Author :
Talbayev, Diyar ; Taylor, Antoinette J. ; Averitt, Richard D. ; Zhang, Chenglin ; Cheong, Sang-Wook
Author_Institution :
Center for Integrated Nanotechnol., Los Alamos Nat. Lab., Los Alamos, NM
Abstract :
We measured the pump-probe reflectance relaxation time in multiferroic Eu0.75Y0.25MnO3. The relaxation time can be tuned by magnetic field and follows the temperature dependence of the low-energy spectral weight that includes phonons and electro-active magnons.
Keywords :
europium compounds; high-speed optical techniques; multiferroics; phonon-magnon interactions; reflectivity; yttrium compounds; Eu0.75Y0.25MnO3; electroactive magnons; low-energy spectral weight; multiferroics; phonons; relaxation time; ultrafast pump-probe reflectance; Antiferromagnetic materials; Ferroelectric materials; Magnetic domains; Magnetic materials; Optical materials; Phonons; Pulse amplifiers; Reflectivity; Temperature dependence; Time measurement; (300.6250) Spectroscopy, condensed matter; (320.7130) Ultrafast processes in condensed matter, including semiconductors;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9
