Atomic View of the Photoinduced Collapse of Gold and Bismuth

Ralph Ernstorfer,Maher Harb,Christoph T. Hebeisen,Germán Sciaini,Thibault Dartigalongue,Ivan Rajkovic,M. Ligges,D. von der Linde,Th. Payer,M. Horn-von-Hoegen,F.-J. Meyer zu Heringdorf,Sergei G. Kruglik,R.J.D. Miller

Atomic View of the Photoinduced Collapse of Gold and Bismuth

2009

Ralph Ernstorfer
Maher Harb
Christoph T. Hebeisen
Germán Sciaini
Thibault Dartigalongue
Ivan Rajkovic
M. Ligges
D. von der Linde
Th. Payer
M. Horn-von-Hoegen
F.-J. Meyer zu Heringdorf
Sergei G. Kruglik
R.J.D. Miller

Two different mechanisms of photoinduced melting were studied by femtosecond electron diffraction. The structural response of gold indicates an electronically-induced increase of the melting temperature. Bismuth was found to disorder within one vibrational period.

Keywords:

Electron diffraction
Bismuth
Crystallography
Femtosecond
Materials science
melting temperature
Chemical physics
electron pulse

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