Spheroidal cap configurations of atomic clusters on planar surfaces

Deposited atomic cluster configurations are investigated under the hypothesis of spheroidal cap shapes being a stable geometry. The macroscopic-microscopic method is employed to calculate the deformation energy. A new specialized single-particle model is developed in order to account for the quantum...

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Bibliographic Details
Published in:The European physical journal. B, Condensed matter physics Condensed matter physics, 2010-09, Vol.77 (1), p.123-132
Main Authors: Gherghescu, R. A., Poenaru, D. N., Solov’yov, A. V., Greiner, W.
Format: Article
Language:English
Subjects:
Complex Systems
Condensed Matter Physics
Condensed matter: structure, mechanical and thermal properties
Exact sciences and technology
Fluid- and Aerodynamics
Mesoscopic and Nanoscale Systems
Physics
Physics and Astronomy
Solid State Physics
Structure and morphology
thickness
Surfaces and interfaces
thin films and whiskers (structure and nonelectronic properties)
Thin film structure and morphology
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Summary:Deposited atomic cluster configurations are investigated under the hypothesis of spheroidal cap shapes being a stable geometry. The macroscopic-microscopic method is employed to calculate the deformation energy. A new specialized single-particle model is developed in order to account for the quantum effects, and the liquid-drop approach is used to calculate the macroscopic part of the energy. The minima within the total deformation energy are interpreted as equilibrium states of atomic clusters on surfaces. Calculations have been performed for the metallic clusters of Na with atom numbers N = 20, 70 and 200.
ISSN:1434-6028
1434-6036
DOI:10.1140/epjb/e2010-00244-9