http://www.cnr.it/ontology/cnr/individuo/prodotto/ID284492
Manipulating surface diffusion and elastic interactions to obtain quantum dot multilayer arrangements over different length scales (Articolo in rivista)
- Type
- Label
- Manipulating surface diffusion and elastic interactions to obtain quantum dot multilayer arrangements over different length scales (Articolo in rivista) (literal)
- Anno
- 2014-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1063/1.4896028 (literal)
- Alternative label
E. Placidi, F. Arciprete, V. Latini, S. Latini, R. Magri, M. Scuderi, G. Nicotra and F. Patella (2014)
Manipulating surface diffusion and elastic interactions to obtain quantum dot multilayer arrangements over different length scales
in Applied physics letters
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- E. Placidi, F. Arciprete, V. Latini, S. Latini, R. Magri, M. Scuderi, G. Nicotra and F. Patella (literal)
- Pagina inizio
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
- http://scitation.aip.org/content/aip/journal/apl/105/11/10.1063/1.4896028 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
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- Istituto di Struttura della Materia, CNR, Via del Fosso del Cavaliere 100, 00133 Rome, Italy
Università di Roma \"Tor Vergata\", Dipartimento di Fisica, via della Ricerca Scientifica 1, 00133 Rome, Italy
Dipartimento di Scienze Fisiche, Informatiche e Matematiche (FIM), Università di Modena e Reggio Emilia, and Centro S3 CNR-Istituto Nanoscienze, Via Campi 213/A, 4100 Modena, Italy
CNR-IMM, Strada VIII, 5, 95121 Catania, Italy (literal)
- Titolo
- Manipulating surface diffusion and elastic interactions to obtain quantum dot multilayer arrangements over different length scales (literal)
- Abstract
- An innovative multilayer growth of InAs quantum dots on GaAs(100) is demonstrated to lead to self-aggregation of correlated quantum dot chains over mesoscopic distances. The fundamental idea is that at critical growth conditions is possible to drive the dot nucleation only at precise locations corresponding to the local minima of the Indium chemical potential. Differently from the known dot multilayers, where nucleation of new dots on top of the buried ones is driven by the surface strain originating from the dots below, here the spatial correlations and nucleation of additional dots are mostly dictated by a self-engineering of the surface occurring during the growth, close to the critical conditions for dot formation under the fixed oblique direction of the incoming As flux, that drives the In surface diffusion. (literal)
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