Ultrafast Dynamics of the VO sub(2) Insulator-to-Metal Transition Observed by Nondegenerate Pump-Probe Spectroscopy

Non-degenerate pump (1.5 eV)-probe (0.4 eV) transmission spectroscopy on vanadium dioxide films grown on glass and three different sapphire substrates shows systematic variations with substrate that correlate with VO sub(2) grain size and laser fluence. Temperature dependent measurements showed chan...

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Bibliographic Details
Published inEPJ Web of conferences Vol. 41; p. np
Main Authors Brady, N F, Appavoo, K, Seo, M, Nag, J, Prasankumar, R P, Haglund, R F, Hilton, D J
Format Journal Article
LanguageEnglish
Published 01.01.2013
Subjects
Correlation
Electronics
Grain size
Lasers
Pumps
Spectroscopy
Vanadium dioxide
Vanadium oxides
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Summary:Non-degenerate pump (1.5 eV)-probe (0.4 eV) transmission spectroscopy on vanadium dioxide films grown on glass and three different sapphire substrates shows systematic variations with substrate that correlate with VO sub(2) grain size and laser fluence. Temperature dependent measurements showed changes in the electronic response that is proportional to the metallic fraction.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
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ISBN:9782759809561
2759809560
ISSN:2100-014X
DOI:10.1051/epjconf/20134103006