2024-03-28T20:51:27Zhttp://digital.csic.es/dspace-oai/requestoai:digital.csic.es:10261/482362017-02-27T16:48:22Zcom_10261_36com_10261_4col_10261_289
DIGITAL.CSIC
author
Beltrán, A. M.
author
González Taboada, Alfonso
author
Ripalda, José María
author
García Martínez, Jorge Manuel
funder
Ministerio de Ciencia e Innovación (España)
funder
Junta de Andalucía
2012-04-13T10:43:01Z
2012-04-13T10:43:01Z
2011-07-08
Ultramicroscopy 111(8): 1073–1076 (2011)
0304-3991
http://hdl.handle.net/10261/48236
10.1016/j.ultramic.2011.03.018
http://dx.doi.org/10.13039/501100004837http://dx.doi.org/10.13039/501100011011
Unambiguous evidence of ring-shaped self-assembled GaSb nanostructures grown by molecular beam epitaxy is presented on the basis of atom-probe tomography reconstructions and dark field transmission electron microscopy imaging. The GaAs capping process causes a strong segregation of Sb out of the center of GaSb quantum dots, leading to the self-assembled GaAsxSb1−xquantumrings of 20–30 nm in diameter with x∼0.33.
eng
closedAccess
GaSb
Quantumring
Atom probe tomography
Transmission electron microscopy
Three dimensional atom probe imaging of GaAsSb quantum rings
artículo
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