http://www.cnr.it/ontology/cnr/individuo/prodotto/ID176321
Self-organized growth of ZnTe nanoscale islands on (001)GaAs (Articolo in rivista)
- Type
- Label
- Self-organized growth of ZnTe nanoscale islands on (001)GaAs (Articolo in rivista) (literal)
- Anno
- 1998-01-01T00:00:00+01:00 (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- M. Longo 1; N. Lovergine 1, A. M. Mancini 1; A. Passaseo 1; G. Leo 2; M. Mazzer 2; M. Berti 3; A. V. Drigo 3 (literal)
- Pagina inizio
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- Rivista
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- 1 Istituto Nazionale di Fisica della Materia (INFM) and Dipartimento di Scienza dei Materiali, Universita` di Lecce, Via Arnesano, I-73100 Lecce, Italy
2 Istituto per lo studio di nuovi Materiali per l'Elettronica (IME)-C.N.R., Via Arnesano, I-73100 Lecce, Italy
3 INFM and Dipartimento di Fisica ''G. Galilei,'' Universita` di Padova, Via Marzolo 8, I-35131 Padova, Italy (literal)
- Titolo
- Self-organized growth of ZnTe nanoscale islands on (001)GaAs (literal)
- Abstract
- The Stransky-Krastanow metalorganic vapor phase epitaxy growth of self-organized ZnTe islands
on homoepitaxial ~001!GaAs is demonstrated. The 27.4% lattice mismatch of the ZnTe/GaAs
heterostructure leads to a strain-driven distribution of nanoscale ZnTe islands on top of a
two-dimensionally ~2D! grown wetting layer. Atomic force microscopy and Rutherford
backscattering spectrometry are used to determine the island dimensions and the thickness of the
wetting layer. The density of the islands, their average diameter, and aspect ratio turn out to be about
520 mm22, 13.6 nm, and 0.20, respectively, for a 1.2 ML thick 2D layer. Furthermore, the average
aspect ratio of the islands decreases by increasing the thickness of the wetting layer, as expected by
the progressive extinction of the strain-driven island nucleation. (literal)
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