The mid-infrared ultrafast response of VO2 thin films following 10 fs interband excitation is investigated as a function of sample temperature and laser fluence. The dynamics of the terahertz conductivity provides an insight into the microscopic details of the phase transition.
Ultrafast Conductivity and Lattice Dynamics of Insulator-Metal Phase Transition in VO2 Studied via Multi-Terahertz Spectroscopy
01.09.2006
1249956 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch