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Band structures of graphene hexagonal lattice semiconductor quantum dots
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10.1063/1.3526724
/content/aip/journal/apl/97/24/10.1063/1.3526724
http://aip.metastore.ingenta.com/content/aip/journal/apl/97/24/10.1063/1.3526724

Figures

Image of FIG. 1.
FIG. 1.

(a) Lattice structure of the coupled semiconductor QDs with lattice constant . Each unit cell contains two QDs that are denoted by A and B, respectively. There are three NNs, six next-NNs, and three third-NNs for each dot. (b) Corresponding Brillouin zone.

Image of FIG. 2.
FIG. 2.

The electronic structures of GaAs coupled dots arranged as graphene hexagonal lattice with structural parameters , , and .

Tables

Generic image for table
Table I.

The tight-binding integral parameters of GaAs coupled QDs arranged as hexagonal lattice with structural parameters , , and . , , and are the hopping energies including the multicenter integral. , , and are the hopping energies with the two-center approximation. , , and are the overlap integrals.

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/content/aip/journal/apl/97/24/10.1063/1.3526724
2010-12-13
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Band structures of graphene hexagonal lattice semiconductor quantum dots
http://aip.metastore.ingenta.com/content/aip/journal/apl/97/24/10.1063/1.3526724
10.1063/1.3526724
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