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Photoluminescence measurements of InP quantum dots in pulsed magnetic fields

Provoost, Rik and Hayne, M and Zundel, Markus K and Eberl, Karl and Moshchalkov, Victor V (1998) Photoluminescence measurements of InP quantum dots in pulsed magnetic fields. Physica B: Condensed Matter, 256. pp. 203-206. ISSN 0921-4526

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Abstract

We report the first photoluminescence (PL) measurements on stacked layers of self-assembled InP quantum dots in pulsed magnetic fields up to 50 T at 4.2 K. A strong increase of the diamagnetic shift with magnetic field parallel and perpendicular to the growth direction is observed by decreasing the stacked layer separation from 8 to 4 nm, indicating that in latter case the quantum dot layers are strongly coupled. This is confirmed by the decrease in PL line width, which is determined by the height homogeneity of a single dot or by the fluctuation of the total height of the coupled layers.

Item Type: Article
Journal or Publication Title: Physica B: Condensed Matter
Uncontrolled Keywords: photoluminescence ; InP ; quantum dots ; pulsed magnetic fields
Subjects: UNSPECIFIED
Departments: Faculty of Science and Technology > Physics
ID Code: 50972
Deposited By: ep_importer_pure
Deposited On: 10 Nov 2011 16:40
Refereed?: Yes
Published?: Published
Last Modified: 26 Jul 2012 19:45
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/50972

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