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Nanovoids in quantum dots observed by cross-sectional scanning tunneling microscopy
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10.1063/1.1808884
/content/aip/journal/apl/85/17/10.1063/1.1808884
http://aip.metastore.ingenta.com/content/aip/journal/apl/85/17/10.1063/1.1808884
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

XSTM images of the same nanovoid taken at different sample polarities: (a) arsenic sensitive image and (b) gallium and indium sensitive image . (c, d) Height profiles across the dot.

Image of FIG. 2.
FIG. 2.

XSTM images of (a) a type 1 dot taken at , (b) a type 2 dot at , and (c) single indium atoms above a type 3 nanovoid taken at .

Image of FIG. 3.
FIG. 3.

(Color online) Schematic model of the development of three quantum-dot types; black dotted lines denote out-diffused In.

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/content/aip/journal/apl/85/17/10.1063/1.1808884
2004-10-29
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Nanovoids in InGaAs∕GaAs quantum dots observed by cross-sectional scanning tunneling microscopy
http://aip.metastore.ingenta.com/content/aip/journal/apl/85/17/10.1063/1.1808884
10.1063/1.1808884
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