Growth, characterization, and applications of vanadium dioxide thin films
Andrews, Keller R.
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Vanadium dioxide (VO2) exhibits a solid-solid phase transformation, transitioning from an insulator to a metal when heated above its transition temperature, or by application of incident light, electric fields, or mechanical strain. Across this transition, many of the properties of VO2 change in potentially useful ways, including the response of VO2 to light. A set of versatile growth procedures have been developed for the fabrication of vanadium dioxide thin films by Pulsed-Laser Deposition (PLD), and these procedures have been shown to be compatible with a wide array of substrates. Several methods have been developed and implemented for the characterization and study of these thin films, and new, more versatile form of PLD has been implemented for the more widely applicable growth of doped VO2 films as well as some more complex films not easily fabricated by standard PLD. In addition, a new application of vanadium dioxide has been developed to controllably modify the reflectivity of metal surfaces.