Magnetotunnelling spectroscopy for probing the electron wave functions in self-assembled quantum dots

Authors
Patane, A Levin, A Main, PC Eaves, L Vdovin, EE Khanin, YN Dubrovskii, YV Henini, M Hill, G
Citation
A. Patane et al., Magnetotunnelling spectroscopy for probing the electron wave functions in self-assembled quantum dots, PHYSICA B, 298(1-4), 2001, pp. 254-259
Citations number
18
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science
Journal title
PHYSICA B
ISSN journal
09214526 → ACNP
Volume
298
Issue
1-4
Year of publication
2001
Pages
254 - 259
Database
ISI
SICI code
0921-4526(200104)298:1-4<254:MSFPTE>2.0.ZU;2-7
Abstract
We show how resonant magnetotunnelling can provide a non-invasive and power ful method for mapping out the probability density of the quantum-confined states in self-assembled quantum dots. By measuring the magnetic field depe ndence of the intensity of the resonant tunnelling current through individu al dots, we identify confined states in the dot displaying the elliptical s ymmetry of the ground state and the characteristic lobes of the higher ener gy states. (C) 2001 Elsevier Science B.V. All rights reserved.