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Conferences > CLEO_SI > 2015 > STh4M > STh4M.2

Doping-controlled Coherent Electron-Phonon Coupling in Vanadium Dioxide

Kannatassen Appavoo, Bin Wang, Joyeeta Nag, Matthew Y. Sfeir, Sokrates T. Pantelides, and Richard F. Haglund

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Abstract

Broadband femtosecond transient spectroscopy and density functional calculations reveal that substitutional tungsten doping of a VO2 film changes the coherent phonon response compared to the undoped film due to altered electronic and structural dynamics.

© 2015 Optical Society of America

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