Role of 'magic' numbers in structure formation in small silver nanoclusters

Autor: L. V. Redel, Yu. Ya. Gafner, S. L. Gafner
Rok vydání: 2015
Předmět:
Zdroj: Physics of the Solid State. 57:2117-2125
ISSN: 1090-6460
1063-7834
DOI: 10.1134/s106378341510025x
Popis: The molecular dynamics method with the modified tight-binding (TB-SMA) potential has been used to study thermal stability of the initial fcc phase in perfect silver clusters to 2 nm in diameter. Dimensional boundaries of nanoparticles, at which the internal atomic configuration changes upon heating, have been determined using the molecular dynamics simulation. It has been shown that the temperature factor can cause the transition from the initial fcc phase to other structural modifications, including those with pentagonal symmetry, in small Ag clusters. It has been demonstrated that “magic” numbers play an important role in the formation of the internal structure of silver clusters.
Databáze: OpenAIRE