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Browse Journals & Magazines > Applied Physics Letters ...> Volume:93 Issue:17 Help

Quantum confinement effect in ZnO thin films grown by pulsed laser deposition

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9 Author(s)
Nie, J.C. ; Department of Physics, Beijing Normal University, Beijing 100875, People''s Republic of China ; Yang, J.Y. ; Piao, Y. ; Li, H.
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Your organization might have access to this article on the publisher's site. To check, click on this link:http://dx.doi.org/+10.1063/1.3010376 

High quality crystalline nanostructured ZnO thin films were fabricated by pulsed laser deposition on (0001) sapphire substrates. The films were investigated by x-ray diffraction, scanning electron microscopy, and optical absorption spectroscopy. The exciton peak energy from absorption spectra was used to determine the band gap energy Eg, which was found to increase systematically with the decrease in the mean grain size and ranged from 3.388 to 3.647 eV. This is consistent with the quantum confinement model and, up until now, not observed in a convincing manner in the ZnO thin films.

Published in:
Applied Physics Letters  (Volume:93 ,  Issue: 17 )

Date of Publication: Oct 2008

Page(s):
173104 - 173104-3
ISSN :
0003-6951
Digital Object Identifier :
10.1063/1.3010376
Product Type:
Journals & Magazines
Date of Current Version :
18 June 2009
Issue Date :
Oct 2008

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