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STABLE SPHEROIDAL CAP SHAPES OF DEPOSITED ATOMIC CLUSTERS

Frankfurt Institute for Advanced Studies, J. W. Goethe Universität, Ruth-Moufang-Str. 1 D-60438 Frankfurt am Main, Germany

Horia Hulubei National Institute of Physics and Nuclear Engineering, RO-077125, Bucharest-Magurele, Romania

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R. A. GHERGHESCU

Frankfurt Institute for Advanced Studies, J. W. Goethe Universität, Ruth-Moufang-Str. 1 D-60438 Frankfurt am Main, Germany

Horia Hulubei National Institute of Physics and Nuclear Engineering, RO-077125, Bucharest-Magurele, Romania

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, and

W. GREINER

Frankfurt Institute for Advanced Studies, J. W. Goethe Universität, Ruth-Moufang-Str. 1 D-60438 Frankfurt am Main, Germany

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https://doi.org/10.1142/S0217979210055743Cited by:1 (Source: Crossref)

Abstract

Neutral short and long spheroidal cap clusters have been investigated within the liquid drop model. Analytical results have been obtained for the deformation-dependent surface and curvature energies. A large variety of experimentally determined shapes (both oblate and prolate) are explained by simulating the interaction energy with the substrate with a modified surface tension of the base, and by changing the missing or extended height of the cap, d. The results are illustrated for Na₅₆ and Na₁₄₈ atomic clusters.

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