Photoemission evidence for crossover from Peierls-like to Mott-like transition in highly strained VO${}_2$

Abstract

We present a spectroscopic study that reveals that the metal-insulator transition of strained VO${}_2$ thin films may be driven towards a purely electronic transition, which does not rely on the Peierls dimerization, by the application of mechanical strain. Comparison with a moderately strained system, which does involve the lattice, demonstrates the crossover from Peierls- to Mott-like transitions.

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Cited by in corpus (10)

• Direct Observation of Decoupled Structural and Electronic Transitions and an Ambient Pressure Monoclinic-Like Metallic Phase of VO${}_2$
• Sequential Electronic and Structural Transitions in VO2 Observed Using X-ray Absorption Spectromicroscopy
• Large epitaxial bi-axial strain induces a Mott-like phase transition in VO2
• The phase transition in VO2 probed using x-ray, visible and infrared radiations
• Nanoscale spectroscopic imaging of phase separation in a correlated material by resonant X-ray holography
• Tuning a Strain-Induced Orbital Selective Mott Transition in Epitaxial VO${}_2$
• Massively strained VO2 thin film growth on RuO2
• Cooperative Effects of Strain and Electron Correlation in Epitaxial VO2 and NbO2
• Observation of weakened V-V dimers in the monoclinic metallic phase of strained VO2
• Correlation induced emergent charge order in metallic vanadium dioxide