A numerical study of spin-dependent organization of alkali-metal atomic clusters using density-functional method

We calculate the different geometric isomers of spin clusters composed of a small number of alkali-metal atoms using the UB3LYP density-functional method. The electron density distribution of clusters changes according to the value of total spin. Steric structures as well as planar structures arise...

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Veröffentlicht in:Journal of nanoparticle research : an interdisciplinary forum for nanoscale science and technology 2012-08, Vol.14 (8), p.1-15, Article 1050
Hauptverfasser: Liu, Xuan, Ito, Haruhiko, Torikai, Eiko
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Ito, Haruhiko
Torikai, Eiko
description We calculate the different geometric isomers of spin clusters composed of a small number of alkali-metal atoms using the UB3LYP density-functional method. The electron density distribution of clusters changes according to the value of total spin. Steric structures as well as planar structures arise when the number of atoms increases. The lowest spin state is the most stable and Li n ,  Na n ,  K n ,  Rb n , and Cs n with n  = 2–8 can be formed in higher spin states. In the highest spin state, the preparation of clusters depends on the kind and the number of constituent atoms. The interaction energy between alkali-metal atoms and rare-gas atoms is smaller than the binding energy of spin clusters. Consequently, it is possible to self-organize the alkali-metal-atom clusters on a non-wetting substrate coated with rare-gas atoms.
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subjects Alkali metals
Atomic properties
Atomic structure
Characterization and Evaluation of Materials
Chemistry and Materials Science
Clusters
Inorganic Chemistry
Isomers
Lasers
Materials Science
Mathematical models
Nanocomposites
Nanoparticles
Nanostructure
Nanotechnology
Nuclear power generation
Optical Devices
Optics
Photonics
Physical Chemistry
Research Paper
title A numerical study of spin-dependent organization of alkali-metal atomic clusters using density-functional method
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