Femtosecond visible and x-ray probing of an ultrafast solid-solid phase transition

Sébastien Magnan

doi:10.1117/12.2283802

29 August 2017 Femtosecond visible and x-ray probing of an ultrafast solid-solid phase transition

Sébastien Magnan

Proceedings Volume 10313, Opto-Canada: SPIE Regional Meeting on Optoelectronics, Photonics, and Imaging; 1031306 (2017) https://doi.org/10.1117/12.2283802
Event: Opto-Canada: SPIE Regional Meeting on Optoelectronics, Photonics, and Imaging, 2002, Ottawa, Ontario, Canada

Abstract

Many oxides undergo insulator to metal phase transition. For example, eight vanadium oxides undergo such a transition. The transition of vanadium dioxides (V02) was first reported in 19591 and has been characterized by several different means. Recently, the developments of femtosecond laser technologies have made possible time resolved studies of this phase transition. The purpose of this study is to investigate the correlations between electronic and atomic dynamics during the phase transition as a function of the laser conditions and the physical properties of thin films of V02. These experiments were realized in two steps: in the first step, we characterized the visible response of the samples. The structural dynamic of the phase transition using time resolved x-ray diffraction has been studied in a second step.

Citation Download Citation

Sébastien Magnan "Femtosecond visible and x-ray probing of an ultrafast solid-solid phase transition", Proc. SPIE 10313, Opto-Canada: SPIE Regional Meeting on Optoelectronics, Photonics, and Imaging, 1031306 (29 August 2017); https://doi.org/10.1117/12.2283802

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