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Crystallographically driven Au catalyst movement during growth of InAs/GaAs axial nanowire heterostructures
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10.1063/1.3103265
/content/aip/journal/jap/105/7/10.1063/1.3103265
http://aip.metastore.ingenta.com/content/aip/journal/jap/105/7/10.1063/1.3103265
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

SEM image of branched InAs/GaAs nanowire heterostructures. The GaAs substrate normal is tilted 20° away to the electron beam direction.

Image of FIG. 2.
FIG. 2.

SEM image of InAs/GaAs nanowire heterostructures with 1 min InAs growth time. The GaAs substrate normal is tilted 20° away to the electron beam direction.

Image of FIG. 3.
FIG. 3.

(a) A low-magnification TEM image of an InAs/GaAs nanowire with its corresponding tip region in (b). (c) HRTEM image showing InAs/GaAs interface region with its corresponding FFT image in (d). (e) HRTEM image showing the downward grown InAs section and its adjacent GaAs section. (f) FFT images taken on the GaAs portion shown in (e).

Image of FIG. 4.
FIG. 4.

(a) Schematic of the projected GaAs lattice showing and planes.

Image of FIG. 5.
FIG. 5.

(a) TEM image of an InAs/GaAs nanowire tip region with its corresponding HRTEM image in (b). (c) A FFT image taken on the GaAs portion in (b).

Image of FIG. 6.
FIG. 6.

SEM image showing top view of branched InAs/GaAs nanowire heterostructures. The electron beam is perpendicular to the substrate surface.

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/content/aip/journal/jap/105/7/10.1063/1.3103265
2009-04-01
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Crystallographically driven Au catalyst movement during growth of InAs/GaAs axial nanowire heterostructures
http://aip.metastore.ingenta.com/content/aip/journal/jap/105/7/10.1063/1.3103265
10.1063/1.3103265
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