E. E. Vdovin, Yu. N. Khanin, A. V. Veretennikov, A. Levin, A. Patane, Yu. A. Dubrovskii, L. Eaves, P. C. Main, M. Henini, G. Hill, “Anisotropy of electronic wave functions in self-assembled InAs dots embedded in the centre of a GaAs quantum well studied by magnetotunneling spectroscopy”, Pis'ma v Zh. Èksper. Teoret. Fiz., 2001, Volume 74, Issue 1,Pages <nobr>43

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Anisotropy of electronic wave functions in self-assembled InAs dots embedded in the centre of a GaAs quantum well studied by magnetotunneling spectroscopy

E. E. Vdovin^a, Yu. N. Khanin^a, A. V. Veretennikov^b, A. Levin^c, A. Patane^c, Yu. A. Dubrovskii^a, L. Eaves^c, P. C. Main^c, M. Henini^c, G. Hill^d

^a Institute of Microelectronics Technology, Russian Academy of Sciences
^b Institute of Solid State Physics, Russian Academy of Sciences
^c School of Physics and Astronomy, The University of Nottingham
^d Department of Electronic and Electrical Engineering, University of Sheffield

Abstract: We present an experimental study of electron wavefunctions in InAs/GaAs self-assembled quantum dots by magnetotunneling spectroscopy. The electron wavefunctions have a biaxial symmetry in the growth plane, with axes corresponding to the main crystallographic directions in the growth plane. Moreover we observed the in-plane anisotropy of the subbands of the quantum well.

PACS: 71.24.+q, 73.40.Gk, 73.61.Ey, 73.61.Tm

Received: 05.06.2001

Language: English