| Issue |
EPJ Web Conf.
Volume 205, 2019
XXI International Conference on Ultrafast Phenomena 2018 (UP 2018)
|
|
|---|---|---|
| Article Number | 04003 | |
| Number of page(s) | 3 | |
| Section | Dynamics in Solids | |
| DOI | https://doi.org/10.1051/epjconf/201920504003 | |
| Published online | 16 April 2019 | |
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
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