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Browse Journals & Magazines > Applied Physics Letters ...> Volume:95 Issue:23 Help

Size-effects on the optical properties of zirconium oxide thin films

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4 Author(s)
Ramana, C.V. ; Department of Mechanical Engineering, University of Texas at El Paso, El Paso, Texas 79968, USA ; Vemuri, R.S. ; Fernandez, I. ; Campbell, A.L.

Your organization might have access to this article on the publisher's site. To check, click on this link:http://dx.doi.org/+10.1063/1.3271697 

Zirconium oxide (ZrO2) thin films with an average crystallite-size (L) ranging from 5 to 25 nm were grown by sputter deposition onto optical grade quartz substrates. The optical properties of grown ZrO2 films were evaluated using optical transmission and reflectance spectroscopic measurements. The size-effects were significant on the optical characteristics of ZrO2 films. The bandgap energy (Eg) was found to increase from 5.78 to 6.07 eV with decreasing L values from 20 to 7 nm. A direct, linear inverse L-Eg relationship found for ZrO2 films suggest that tuning optical properties for desired applications can be achieved by controlling the size.

Published in:
Applied Physics Letters  (Volume:95 ,  Issue: 23 )

Date of Publication: Dec 2009

Page(s):
231905 - 231905-3
ISSN :
0003-6951
Digital Object Identifier :
10.1063/1.3271697
Product Type:
Journals & Magazines
Date of Current Version :
15 December 2009
Issue Date :
Dec 2009

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