Enhanced photosusceptibility near Tc for the light-induced insulator-to-metal phase transition in vanadium dioxide.

We use optical-pump terahertz-probe spectroscopy to investigate the near-threshold behavior of the photoinduced insulator-to-metal (IM) transition in vanadium dioxide thin films. Upon approaching Tc a reduction in the fluence required to drive the IM transition is observed, consistent with a softeni...

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Bibliographic Details
Main Authors: Hilton, D, Prasankumar, R, Fourmaux, S, Cavalleri, A, Brassard, D, Khakani, E, Kieffer, J, Taylor, A, Averitt, R
Format: Journal article
Language:English
Published: 2007