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Type: Artigo
Title: Identification of twinned gas phase clusters by single-shot scattering with intense soft x-ray pulses
Author: Rupp, D.
Adolph, M.
Gorkhover, T.
Schorb, S.
Wolter, D.
Hartmann, R.
Kimmel, N.
Reich, C.
Feigl, T.
Castro, A. R. B. de
Treusch, R.
Struder, L.
Moller, T.
Bostedt, C.
Abstract: Scattering experiments on xenon nanoclusters with high-intensity soft x-ray laser pulses from the Free-Electron LASer in Hamburg (FLASH) are performed to investigate different cluster morphologies in the gas phase. Three different types of scattering patterns can be identified. The most frequent pattern of concentric rings reflects the event of a single spherical cluster in focus. Fine interference rings similar to Newton rings appear when two clusters are illuminated at mu m distance, revealing three-dimensional information about the location of the clusters. Between 10 and 30% of all hits show a previously unknown twin cluster configuration with two clusters in direct contact. Simulations of scattering patterns for twin clusters with different sizes of the two particles, degree of fusion and orientation in space allow us to explain all the observed patterns.
Subject: Lasers
Country: Inglaterra
Editor: Institute of Physics Publishing
Citation: New Journal Of Physics. Iop Publishing Ltd, v. 14, 2012.
Rights: aberto
Identifier DOI: 10.1088/1367-2630/14/5/055016
Date Issue: 2012
Appears in Collections:IFGW - Artigos e Outros Documentos

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