Transmission resonance via quantum bound states in confined arrays of antidots

Y. P. Chen, Y. E. Xie and X. H. Yan ()

The European Physical Journal B: Condensed Matter and Complex Systems, 2006, vol. 49, issue 3, 333-338

Abstract: We have studied the transmission resonances for a confined array of antidots, using the lattice Green's function method. Two kinds of resonant peaks via quasibound states are found. One kind of resonant peak corresponds to the split quasibound states. The split states originate from the superposition of quasibound states respectively localized in different (T or crossed) junctions, while the number of quasibound states in each junction is associated with the arm-width of the junction. Electrons in these split states are mainly localized in the junctions. The other kind of resonant peaks correspond to the high quasibound states which exist in (transverse and longitude) multi-period confined arrays of antidots. It is interesting to note that electrons in some of the high quasibound states are mainly localized in the intersection of the junctions rather than in the junctions themselves. Copyright EDP Sciences/Società Italiana di Fisica/Springer-Verlag 2006

Keywords: 73.22-f Electronic structure of nanoscale materials: clusters; nanoparticles; nanotubes; and nanocrystals; 73.20.-r Electron states at surfaces and interfaces (search for similar items in EconPapers)
Date: 2006
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DOI: 10.1140/epjb/e2006-00070-8

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