Photoemission evidence for crossover from Peierls-like to Mott-like transition in highly strained VO 2

J. Laverock*, A. R H Preston, D. Newby, K. E. Smith, S. Sallis, L. F J Piper, S. Kittiwatanakul, J. W. Lu, S. A. Wolf, M. Leandersson, T. Balasubramanian

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)

27 Citations (Scopus)

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.

Original languageEnglish
Article number195124
JournalPhysical Review B: Condensed Matter and Materials Physics
Volume86
Issue number19
DOIs
Publication statusPublished - 16 Nov 2012

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