Concentric Multiple Rings by Droplet Epitaxy: Fabrication and Study of the Morphological Anisotropy
نویسندگان
چکیده
We present the Molecular Beam Epitaxy fabrication of complex GaAs/AlGaAs nanostructures by Droplet Epitaxy, characterized by the presence of concentric multiple rings. We propose an innovative experimental procedure that allows the fabrication of individual portions of the structure, controlling their diameter by only changing the substrate temperature. The obtained nanocrystals show a significant anisotropy between [110] and [1-10] crystallographic directions, which can be ascribed to different activation energies for the Ga atoms migration processes.
منابع مشابه
Erratum to: Concentric Multiple Rings by Droplet Epitaxy: Fabrication and Study of the Morphological Anisotropy
C. Somaschini, S. Bietti, N. Koguchi, S. Sanguinetti (*) L-NESS and Dipartimento di Scienza dei Materiali, Universita’ di Milano Bicocca, Via Cozzi 53, 20125 Milano, Italy e-mail: [email protected] A. Fedorov CNISM, L-NESS and Dipartimento di Fisica del Politecnico di Milano, Via Anzani 42, 22100 Como, Italy Open Access This article is distributed under the terms of the Creati...
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