EPJ Web of Conferences
Volume 41, 2013XVIIIth International Conference on Ultrafast Phenomena
|Number of page(s)||3|
|Section||Correlated Electron Systems, Magnetization, and Spin Dynamics|
|Published online||13 March 2013|
Ultrafast Phase Transition in Vanadium Dioxide Driven by Hot-Electron Injection
1 Interdisciplinary Materials Science Program, Vanderbilt University, Nashville, TN 37235, USA
2 Department of Physics, University of Alabama at Birmingham, Birmingham, AL 35924, USA
3 Center for Integrated Nanotechnologies, Los Alamos National Laboratory, Los Alamos, NM 87545
4 Department of Physics and Astronomy, Vanderbilt University, Nashville, TN 37235, USA
We present a novel all-optical method of triggering the phase transition in vanadium dioxide by means of ballistic electrons injected across the interface between a mesh of Au nanoparticles coveringd VO2 nanoislands. By performing non-degenerate pump-probe transmission spectroscopy on this hybrid plasmonic/phase-changing nanostructure, structural and electronic dynamics can be retrieved and compared.
© Owned by the authors, published by EDP Sciences, 2013
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