Title :
Ultrafast structure and polarization dynamics in nanolayered perovskites studied by femtosecond x-ray diffraction
Author :
Schmising, C.v.Korff ; Bargheer, M. ; Kiel, M. ; Zhavoronkov, N. ; Woerner, M. ; Elsaesser, T. ; Vrejoiu, I. ; Hesse, D. ; Alexe, M.
Author_Institution :
Max-Born-Institut fÿr Nichtlineare Optik and Kurzzeitspektroskopie, 12489 Berlin, Germany
Abstract :
The polarization and lattice dynamics in a metal/ferroelectric/metal nanolayer system is analyzed by femtosecond x-ray diffraction. Optically induced giant stress in the metal layers can switch off the ferroelectric polarization within 2 ps.
Keywords :
DSL; Ferroelectric materials; Lattices; Optical distortion; Optical polarization; Optical pumping; Optical superlattices; Reflectivity; Ultrafast optics; X-ray diffraction;
Conference_Titel :
Quantum Electronics and Laser Science Conference, 2007. QELS '07
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
978-1-55752-834-6
DOI :
10.1109/QELS.2007.4431813
