Title
CdSe quantum dot formation induced by amorphous Se CdSe quantum dot formation induced by amorphous Se
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
Amsterdam ,
Subject
Physics
Chemistry
Source (journal)
Surface science: a journal devoted to the physics and chemistry of interfaces. - Amsterdam
Source (book)
International Conference on NANO-Structures Self Assembling, JUL 02-06, 2006, Aix en Provence, FRANCE
Volume/pages
601(2007) :13 , p. 2664-2666
ISSN
0039-6028
ISI
000248030100027
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
The mechanism allowing the transition from a two-dimensional strained layer of CdSe on ZnSe to self-assembled islands induced by the use of amorphous selenium is still not fully understood. For a better understanding, atomic force microscopy and transmission electron microscopy studies were performed on CdSe films with a thickness close to that for quantum dot formation. Below this thickness, the sample surface results in undulations along the [110] crystal direction, while few quantum dots are situated in the wave valleys. Plan view transmission electron microscopy studies reveal a strong anisotropy of the islands and show that the Se desorption conditions are crucial. (C) 2006 Elsevier B.V. All rights reserved.
E-info
https://repository.uantwerpen.be/docman/iruaauth/2481c9/b3e4532.pdf
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