Strain induced orbital dynamics across the Metal Insulator transition in thin VO2/TiO2(001) films

12 Jan 2020 D'Elia A. Rezvani S. J. Cossaro A. Stredansky M. Grazioli C. Li B. W. Zou C. W. Coreno M. Marcelli A.

VO2 is a strongly correlated material, which undergoes a reversible metal insulator transition (MIT) coupled to a structural phase transition upon heating (T= 67{\deg} C). Since its discovery the nature of the insulating state has long been debated and different solid-state mechanisms have been proposed to explain its nature: Mott-Hubbard correlation, Peierls distortion or a combination of both... (read more)

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