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Conferences > QELS > 2012 > QTh5B > QTh5B.5

Ultrafast Metal-Insulator Transition in VO2 Driven by Electron Injection

Kannatassen Appavoo, Nathaniel F. Brady, Minah Seo, Joyeeta Nag, Rohit P. Prasankumar, David J. Hilton, and Richard F. Haglund

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Abstract

A novel all-optical method of triggering phase-transition in prototypical vanadium dioxide using the “hot-electron” effect is demonstrated. Structural and electronic switching times are retrieved by nondegenerate pump-probe transmission spectroscopy on the hybrid metallic/phase-changing nanomaterial.

© 2012 Optical Society of America

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