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          Institute: MPI für Kohlenforschung     Collection: Publikationen MPI für Kohlenforschung     Display Documents



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ID: 20049.0, MPI für Kohlenforschung / Publikationen MPI für Kohlenforschung
Evidence for a cubic-to-icosahedral transition of quasi-free Pd-H-clusters controlled by the hydrogen content
Authors:Pundt, A.; Dornheim, M.; Guerdane, M.; Teichler, H.; Ehrenberg, H.; Reetz, M. T.; Jisrawi, N. M.
Language:English
Date of Publication (YYYY-MM-DD):2002-06
Title of Journal:European Physical Journal D
Journal Abbrev.:Eur. Phys. J. D
Volume:19
Issue / Number:3
Start Page:333
End Page:337
Review Status:Peer-review
Audience:Experts Only
Abstract / Description:An in situ synchrotron radiation study of quasi-free five nanometer-sized palladium clusters during hydrogen absorption is combined with molecular dynamics simulations to investigate the structural development. In the diffraction patterns, strong intensity changes are found that provide evidence for a structural phase transformation that is significantly different from the alpha-alpha'-Pd-H bulk phase transition. The structural transition is reversible and driven by the hydrogen concentration. The intensity changes are consistent with a cubic-to-icosahedral structural phase transition obtained in molecular dynamical simulations using embedded-atom-method potentials.
Comment of the Author/Creator:Date: 2002, JUN
External Publication Status:published
Document Type:Article
Communicated by:N. N.
Affiliations:MPI für Kohlenforschung
External Affiliations:Univ Göttingen, Inst Mat Phys, D-37073 Göttingen, Germany; Tech Univ Darmstadt, Inst Sci Mat, D-64287 Darmstadt, Germany; Birzeit Univ, Dept Phys, Birzeit, Israel
Identifiers:ISI:000176409500006 [ID No:1]
ISSN:1434-6060 [ID No:2]
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