Size-dependent icosahedral-to-fcc structure change confirmed in unsupported nanometer-sized copper clusters
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Size-dependent icosahedral-to-fcc structure change confirmed in unsupported nanometer-sized copper clusters. / Reinhard, D.; Hall, B. D.; Berthoud, P.; Valkealahti, S.; Monot, R.
julkaisussa: Physical Review Letters, Vuosikerta 79, Nro 8, 01.01.1997, s. 1459-1462.Tutkimustuotos › › vertaisarvioitu
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TY - JOUR
T1 - Size-dependent icosahedral-to-fcc structure change confirmed in unsupported nanometer-sized copper clusters
AU - Reinhard, D.
AU - Hall, B. D.
AU - Berthoud, P.
AU - Valkealahti, S.
AU - Monot, R.
PY - 1997/1/1
Y1 - 1997/1/1
N2 - Unsupported nanometer-sized copper particles in a molecular beam of inert carrier gas have been studied using electron diffraction. A distinct separation in the size distributions of fcc and icosahedral particles is observed: Icosahedra occur at sizes well below a diameter limit of 3.8 nm predicted for copper by molecular dynamics simulations, while fcc particles occur close to this limit or above. Molecular dynamics simulations have also provided information about particle temperature via thermal expansion and atomic dynamics.
AB - Unsupported nanometer-sized copper particles in a molecular beam of inert carrier gas have been studied using electron diffraction. A distinct separation in the size distributions of fcc and icosahedral particles is observed: Icosahedra occur at sizes well below a diameter limit of 3.8 nm predicted for copper by molecular dynamics simulations, while fcc particles occur close to this limit or above. Molecular dynamics simulations have also provided information about particle temperature via thermal expansion and atomic dynamics.
U2 - 10.1103/PhysRevLett.79.1459
DO - 10.1103/PhysRevLett.79.1459
M3 - Article
VL - 79
SP - 1459
EP - 1462
JO - Physical Review Letters
JF - Physical Review Letters
SN - 0031-9007
IS - 8
ER -