Metal to insulator transition at the surface of V2O3 thin films: an in-situ view: an in-situ view

Marco Caputo, Jasmin Jandke, Edoardo Cappelli, Sandeep Kumar Chaluvadi, Eduardo Bonini Guedes, Muntaser Naamneh, Giovanni Vinai, Jun Fujii, Piero Torelli, Ivana Vobornik, Andrea Goldoni, Pasquale Orgiani, Felix Baumberger, Milan Radovic, Giancarlo Panaccione

Research output: Working paper/PreprintPreprint

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Abstract

V2O3 has long been studied as a prototypical strongly correlated material. The difficulty in obtaining clean, well ordered surfaces, however, hindered the use of surface sensitive techniques to study its electronic structure. Here we show by mean of X-ray diffraction and electrical transport that thin films prepared by pulsed laser deposition can reproduce the functionality of bulk V2OThe same films, when transferred in-situ , show an excellent surface quality as indicated by scanning tunnelling microscopy and low energy electron diffraction, representing a viable approach to study the metal-insulator transition (MIT) in V2O3 by means of angle-resolved photoemission spectroscopy. Combined, these two aspects pave the way for the use of V2O3 thin films in device-oriented heterostructures.
Original languageEnglish
StatePublished - 16 Jun 2021

Keywords

  • cond-mat.str-el
  • cond-mat.mtrl-sci

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