Photoinduced Mott transition in correlated electron system from a CT insulator to a metal was demonstrated by mid IR reflection pump-probe. Photogeneration of the metal and recovery of the insulator occur within a few picoseconds.
© 2004 Optical Society of America
(160.0160) Materials : Materials
(160.3900) Materials : Metals
(320.0320) Ultrafast optics : Ultrafast optics
(320.7130) Ultrafast optics : Ultrafast processes in condensed matter, including semiconductors
S. Iwai, Y. Okimoto, M. Ono, H. Matsuzaki, H. Kishida, H. Okamoto, and Y. Tokura, "Ultrafast insulator-to-metal switching by pohotoinduced Mott transition," in 14th International Conference on Ultrafast Phenomena, Technical Digest (CD) (Optical Society of America, 2004), paper TuA7.