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Open Access item Formation of Spatially Addressed Ga(As)Sb Quantum Rings on GaAs(001) Substrates by Droplet Epitaxy

Authors:Alonso-González, Pablo
González, Luisa
Fuster, David
González, Yolanda
Taboada, A. G.
Ripalda, José María
Beltrán, A. M.
Sales, D. L.
Ben, Teresa
Molina, Sergio I.
Issue Date:2009
Publisher:American Chemical Society
Citation:Crystal Growth and Design 9(2): 1216-1218 (2009)
Abstract:In this work we report on the ability to form low density Ga(As)Sb quantum ring-shaped nanostructures (Q-rings) on GaAs(001) substrates by the droplet epitaxy technique. The Q-rings are formed by crystallization of Ga droplets under antimony flux. After being capped by a GaAs layer, these nanostructures show surface mounding features that are correlated with the buried nanostructures, as demonstrated by TEM analysis, permitting an easy surface location of the optically active Q-rings.
Description:3 páginas, 3 figuras.
Publisher version (URL):http://dx.doi.org/10.1021/cg801186w
URI:http://hdl.handle.net/10261/33721
ISSN:1528-7483
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Appears in Collections:(IMM-CNM) Artículos

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