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Au impact on GaAs epitaxial growth on GaAs (111)B substrates in molecular beam epitaxy
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10.1063/1.4792053
/content/aip/journal/apl/102/6/10.1063/1.4792053
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/6/10.1063/1.4792053
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

SEM images taken from samples A, B, and C, viewed from the top [(a), (c), and (e)] and from the side [(b), (d), and (f)].

Image of FIG. 2.
FIG. 2.

(a) Cross-sectional TEM image taken from sample A; (b) 〈110〉 cross-sectional high-resolution TEM image taken from a typical Au nanoparticle from sample A; (c) and (d) Cross-sectional TEM image and 〈110〉 cross-sectional high-resolution TEM image of a typical Au nanoparticle, both taken from sample B. Insets in (b) and (d) showing electron diffraction patterns of zinc-blende structure; (e) 〈110〉 cross-sectional high-resolution TEM image taken from sample C and (f) being a FFT taken at the nanowire/base interface.

Image of FIG. 3.
FIG. 3.

(a) Schematic illustration of a three-dimensional model of the observed faceted triangular pyramid base; (b) 〈110〉 projected model.

Image of FIG. 4.
FIG. 4.

Schematic diagram of how a spontaneously formed Au nanoparticle affects the formation of epitaxially grown GaAs during annealing (Ga source absent) and GaAs growth (with Ga source).

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/content/aip/journal/apl/102/6/10.1063/1.4792053
2013-02-12
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Au impact on GaAs epitaxial growth on GaAs (111)B substrates in molecular beam epitaxy
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/6/10.1063/1.4792053
10.1063/1.4792053
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