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Distribution of zinc-blende twins and wurtzite segments in GaAs nanowires probed by X-ray nanodiffraction

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Date

2013

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Abstract

We study by X-ray nanodiffraction the statistical distribution of the two possible twinned zinc-blende (ZB) orientations as well as the occurrence of the wurtzite structure within single GaAs nanowires (NWs) grown by molecular beam epitaxy on Si(111). A fast scanning scheme allowed to perform diffraction experiments on 160 individual NWs. We find that although on average the two ZB orientations show a similar abundance, in 90% of all NWs one ZB orientation dominates and little twinning is observed within each individual NW.

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Keywords

Crystal structure, GaAs, Nanowires, X-ray diffraction

Citation

URI

https://dspace-test.anu.edu.au/handle/1885/733750877

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DevOps Pure Testing

Source

Physica Status Solidi - Rapid Research Letters

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Article

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DOI

10.1002/pssr.201307246

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