Cu cluster shell structure at elevated temperatures

Ole Bøssing Christensen, Karsten Wedel Jacobsen, Jens Kehlet Nørskov, M. Manninen

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Equilibrium structures of small (3–29)-atom Cu clusters are determined by simulated annealing, and finite-temperature ensembles are simulated by Monte Carlo techniques using the effective-medium theory for the energy calculation. Clusters with 8, 18, and 20 atoms are found to be particularly stable. The equilibrium geometrical structures are determined and found to be determined by a Jahn-Teller distortion, which is found to affect the geometry also at high temperatures. The ‘‘magic’’ clusters retain their large stability even at elevated temperatures.
Original languageEnglish
JournalPhysical Review Letters
Issue number17
Pages (from-to)2219-2222
Publication statusPublished - 1991

Bibliographical note

Copyright (1991) by the American Physical Society.

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