Direct formation of vertically coupled quantum dots in Stranski-Krastanow growth

N. Ledentsov, N.; A. Shchukin, V.; Grundmann, Marius; Kirstaedter, N.; Böhrer, J.; G. Schmidt, Oliver; Bimberg, D.; M. Ustinov, V.; Yu. Egorov, A.; E. Zhukov, A.; S. Kop’ev, P.; V. Zaı̆tsev, S.; Yu. Gordeev, N.; I. Alfërov, Zh.; Borovkov, Alexey; O. Kosogov, A.; Ruvimov, S.; Werner, P.; Gösele, U.; Heydenreich, J.

doi:10.1103/physrevb.54.8743

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Direct formation of vertically coupled quantum dots in Stranski-Krastanow growth

Published in Physical review. B, Condensed matter • Sep 15, 1996

Authors:

N. N. Ledentsov

V. A. Shchukin

Marius Grundmann

Abstract

Alternate short-period GaAs-InAs deposition following InAs pyramid formation on a GaAs (100) surface leads to the creation of vertically split pyramids. This splitting is driven by the energetics of the Stranski-Krastanow growth mode. The strain energy is reduced due to the successive transfer of In...

Subject

Quantum dot

Pyramid (geometry)

Materials science

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