https://doi.org/10.1051/epjconf/201920504003
Optical pump – THz probe response of VO2 under high pressure
1 Institute of Ion Beam Physics and Materials Research, Helmholtz-Zentrum Dresden-Rossendorf, Bautzner Landstraße 400, 01328 Dresden, Germany
2 Technische Universität Dresden, 01062 Dresden, Germany
3 Faculty of Physics, University of Warsaw, Pasteura 5, PL-02-093 Warsaw, Poland
4 Materials Science and Technology Division, Oak Ridge National Laboratory, P.O. Box 2008, Oak Ridge, TN 37831, USA
5 Department of Physics and Astronomy, Vanderbilt University, 6301 Stevenson Center Lane, Nashville, TN 37235, USA
* Corresponding authors: j.braun@hzdr.de and a.pashkin@hzdr.de
Published online: 16 April 2019
We present the ultrafast THz response of VO2 under high pressures. A clear anomaly is observed around 8 GPa indicating a pressure-induced phase transition. Our observations can be interpreted in terms of a bandwidth-controlled Mott-Hubbard transition.
© The Authors, published by EDP Sciences, 2019
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
