Optical induction and detection of fast phase transition in VO2

W. R. Roach*, I. Balberg

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

52 Scopus citations

Abstract

We have optically induced the Insulator to Metal Phase transition in VO2 sputtered films within 20 nsec by using a Q-switched ruby laser. The phase transition was detected by monitoring a He-Ne probe beam reflected off the film surface. It is shown that this fast phase transition is induced by photon → electron → phonon energy transfer process. We also discuss the possibility of using similar measurements to deduce the physical origin of the transition.

Original languageEnglish
Pages (from-to)551-555
Number of pages5
JournalSolid State Communications
Volume9
Issue number9
DOIs
StatePublished - 1 May 1971
Externally publishedYes

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