120 citations · 333 across the 4 of their papers we have counts for
6 papers
Electronic shell and supershell structure in graphene flakes
M. Manninen, H. P. Heiskanen, J. Akola
We use a simple tight-binding (TB) model to study electronic properties of free graphene flakes. Valence electrons of triangular graphene flakes show a shell and supershell structu…
Electronic structure of triangular, hexagonal and round graphene flakes near the Fermi level
H. P. Heiskanen, M. Manninen, J. Akola
The electronic shell structure of triangular, hexagonal and round graphene quantum dots (flakes) near the Fermi level has been studied using a tight-binding method. The results sho…
Edge-dependent selection rules in magic triangular graphene flakes
J. Akola, H. P. Heiskanen, M. Manninen
The electronic shell and supershell structure of triangular graphene quantum dots has been studied using density functional and tight-binding methods. The density functional calcul…
Density functional study of alkali metal atoms and monolayers on graphite (0001)
K. Rytkönen, J. Akola, M. Manninen
Alkali metal atoms (Li, Na, K, Rb, Cs), dimers and (22) monolayers on a graphite (0001) surface have been studied using density functional theory, pseudopotentials, and a p…
Sodium atoms and clusters on graphite: a density functional study
K. Rytkonen, J. Akola, M. Manninen
Sodium atoms and clusters (N<5) on graphite (0001) are studied using density functional theory, pseudopotentials and periodic boundary conditions. A single Na atom is observed to b…
Close-Packing of Clusters: Application to Al_100
K. Manninen, J. Akola, M. Manninen
The lowest energy configurations of close-packed clusters up to N=110 atoms with stacking faults are studied using the Monte Carlo method with Metropolis algorithm. Two types of co…