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Transport and strain relaxation in wurtzite InAs–GaAs core-shell heterowires
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10.1063/1.3579251
/content/aip/journal/apl/98/15/10.1063/1.3579251
http://aip.metastore.ingenta.com/content/aip/journal/apl/98/15/10.1063/1.3579251
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

TEM of a strain-relaxed WZ InAs–GaAs core-shell nanowire, (a) low magnification BF image, (b) DF (0002) image and associated SADP, and (c) DF and SADP of the same region as in (b). The arrows in each image indicate the normal to those planes that are most strongly diffracting.

Image of FIG. 2.
FIG. 2.

Plot of axial and radial strain relaxation (closed and open circles, respectively) as a function of the shell thickness normalized to the core radius for individual InAs–GaAs core-shell heterowires. The solid line is a best fit exponential curve to the axial strain relaxation. The added data points are from Ref. 13 (square) and Ref. 12 (triangles).

Image of FIG. 3.
FIG. 3.

Dependence of measured electron field-effect mobility on radius of InAs core for InAs–GaAs core-shell WZ nanowires (open squares) compared to bare WZ InAs nanowires (filled squares).

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/content/aip/journal/apl/98/15/10.1063/1.3579251
2011-04-12
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Transport and strain relaxation in wurtzite InAs–GaAs core-shell heterowires
http://aip.metastore.ingenta.com/content/aip/journal/apl/98/15/10.1063/1.3579251
10.1063/1.3579251
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