| Issue |
EPJ Web of Conferences
Volume 41, 2013
XVIIIth International Conference on Ultrafast Phenomena
|
|
|---|---|---|
| Article Number | 03005 | |
| Number of page(s) | 3 | |
| Section | Correlated Electron Systems, Magnetization, and Spin Dynamics | |
| DOI | https://doi.org/10.1051/epjconf/20134103005 | |
| Published online | 13 March 2013 | |
https://doi.org/10.1051/epjconf/20134103005
Ultrafast Hot Electron Induced Phase Transitions in Vanadium Dioxide
1 Max Planck Research Department for Structural Dynamics, Center for Free Electron Laser Science, University of Hamburg, c/o DESY, Notkestrasse 85, Hamburg, 22607, Germany
2 Quantum Science and Engineering Center, Kyoto University, Gokasho, Uji, Kyoto, 611-0011, Japan
3 Department of Physics and Astronomy, Vanderbilt University, Nashville TN 37235-1807 USA
The Au/Cr/VO2/Si system was investigated in pump–probe experiments. Hot-electrons generated in the Au were found to penetrate into the underlying VO2 and couple with its lattice inducing a semiconductor-to-metal phase transition in ~2 picoseconds.
© Owned by the authors, published by EDP Sciences, 2013
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