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Faceting of a quasi-two-dimensional GaAs crystal in nanoscale patterned growth
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10.1063/1.2830988
/content/aip/journal/apl/92/2/10.1063/1.2830988
http://aip.metastore.ingenta.com/content/aip/journal/apl/92/2/10.1063/1.2830988

Figures

Image of FIG. 1.
FIG. 1.

(a) A SEM image of the as-grown sample. The inset shows a SEM image of the mask pattern. (b) An XTEM image of a single GaAs nanostructure. The insets provide magnifications of the areas indicated by the dotted boxes. The inset scale bars correspond to . (c) A schematic illustration of the major facet evolution.

Image of FIG. 2.
FIG. 2.

(a) Calculated GaAs surface energies of various orientations. (b) A schematic replication of Fig. 1(b). The parameters and variables used in Eqs. (1) and (2) are indicated. Due to the asymmetric shape, and (or ) are defined only with respect to the left side which is matched to the model. The bold dashed line represents ECS. (c) A plot of vs defined in Eq. (1).

Tables

Generic image for table
Table I.

Ratios of experimental and theoretical surface energies of various orientations to that of (110) in GaAs. is taken to be .

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/content/aip/journal/apl/92/2/10.1063/1.2830988
2008-01-14
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Faceting of a quasi-two-dimensional GaAs crystal in nanoscale patterned growth
http://aip.metastore.ingenta.com/content/aip/journal/apl/92/2/10.1063/1.2830988
10.1063/1.2830988
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