alexa Dynamics Of Irradiation: From Molecules To Nano-objects And From Material Science To Biology
ISSN: 2169-0022

Journal of Material Sciences & Engineering
Open Access

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3rd International Conference and Exhibition on Materials Science & Engineering
October 06-08, 2014 Hilton San Antonio Airport, USA

E Suraud and P G Reinhard
ScientificTracks Abstracts: Material Sci Eng
DOI: 10.4172/2169-0022.S1.014
We discuss microscopic mechanisms of irradiation in clusters and molecules. We consider the case of isolated molecules/ clusters and/or in contact with an environment. We use Time Dependent Density Functional Theory (for electrons) coupled to Molecular Dynamics (for ions) and follow explicitly in time both irradiation and response of the system. Examples are taken from free metal clusters, from fullerenes, from molecules of biological interest and from clusters deposited on a surface or embedded in a matrix. We analyse in particular the properties of emitted electrons (photo electron spectra, angular distributions) which constitute a key tool of analysis of the properties of irradiated clusters and molecules. We also discuss the possibility of pump and probe scenarios (opening the road to manipulation at the molecular scale) with help of dedicated laser pulses, exploring high laser frequencies towards the FEL regime and very short times scales down towards the attosecond domain.
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