Title :
Ultrafast optical spectroscopy of multiferroic LuFe2O4
Author :
Lee, J. ; Talbayev, D. ; Zhang, C.L. ; Xu, X.S. ; Cheong, S-W. ; Taylor, A.J. ; Prasankumar, R.P.
Author_Institution :
Center for Integrated Nanotechnol., Los Alamos Nat. Lab., Los Alamos, NM, USA
Abstract :
Temperature-dependent femtosecond optical spectroscopy is used to track polaron dynamics in the spin and charge frustrated system TuFe2O4, revealing the influence of charge and spin ordering on polaron excitation, redressing, and coupling to on-site excitations.
Keywords :
frustration; high-speed optical techniques; lutetium compounds; magnetic structure; magneto-optical effects; multiferroics; polarons; LuFe2O4; charge frustrated system; charge ordering; multiferroic; on-site excitations; polaron coupling; polaron dynamics; polaron excitation; polaron redressing; spin frustrated system; spin ordering; temperature-dependent femtosecond optical spectroscopy; ultrafast optical spectroscopy; Charge transfer; Couplings; Optical coupling; Optical distortion; Optical polarization; Optical pumping; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2011 Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-4577-1223-4
