DocumentCode :
2743741
Title :
Ultrafast Conductivity and Lattice Dynamics of Insulator-Metal Phase Transition in VO2 Studied via Multi-Terahertz Spectroscopy
Author :
Kübler, C. ; Ehrke, H. ; Leitenstorfer, A. ; Lopez, R. ; Halabica, A. ; Haglund, R.F., Jr.
Author_Institution :
Univ. Konstanz, Konstanz
fYear :
2006
fDate :
18-22 Sept. 2006
Firstpage :
554
Lastpage :
554
Abstract :
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.
Keywords :
excited states; infrared spectra; insulating thin films; lattice dynamics; metal-insulator transition; metallic thin films; submillimetre wave spectra; vanadium compounds; VO2; insulator-metal phase transition; interband excitation; lattice dynamics; midinfrared ultrafast response; multiterahertz spectroscopy; terahertz conductivity; thin films; ultrafast conductivity; Conductivity; Insulation; Laser excitation; Laser transitions; Lattices; Pump lasers; Spectroscopy; Temperature; Ultrafast electronics; Ultrafast optics;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Infrared Millimeter Waves and 14th International Conference on Teraherz Electronics, 2006. IRMMW-THz 2006. Joint 31st International Conference on
Conference_Location :
Shanghai
Print_ISBN :
1-4244-0400-2
Electronic_ISBN :
1-4244-0400-2
Type :
conf
DOI :
10.1109/ICIMW.2006.368762
Filename :
4222496
Link To Document :
https://search.ricest.ac.ir/dl/search/defaultta.aspx?DTC=49&DC=2743741
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