A microstructural study of transparent metal oxide gas barrier films

Henry, B. M., Dinelli, F., Zhao, K. Y., Grovenor, C. R., Kolosov, O. V., Briggs, G. A., Roberts, A., Kumar, R. S. and Howson, R. P. (1999) A microstructural study of transparent metal oxide gas barrier films. Thin Solid Films, 355-356 500-505. doi:10.1016/S0040-6090(99)00461-7

Author Henry, B. M.
Dinelli, F.
Zhao, K. Y.
Grovenor, C. R.
Kolosov, O. V.
Briggs, G. A.
Roberts, A.
Kumar, R. S.
Howson, R. P.
Title A microstructural study of transparent metal oxide gas barrier films
Journal name Thin Solid Films   Check publisher's open access policy
ISSN 0040-6090
Publication date 1999-11-01
Sub-type Article (original research)
DOI 10.1016/S0040-6090(99)00461-7
Volume 355-356
Start page 500
End page 505
Total pages 6
Place of publication Lausanne
Publisher Elsevier Science
Language eng
Subject C1
240202 Condensed Matter Physics - Structural Properties
780102 Physical sciences
Abstract The relationship between the microstructure and the water vapour transmission rates of aluminium oxide and aluminium coatings deposited by magnetron sputtering on polyethylene terephthalate have been investigated. The gas barrier properties of the films have been measured as a function of temperature and a range of techniques used to characterize the coatings including atomic force microscopy, which also provided information on the early growth mechanism. It was found that the Al/PET film showed a better water vapour barrier than the AlOx/PET although the activation energy for water vapour permeation was the same for both. We propose that the interaction of water with the barrier coating plays a significant part in determining the observed gas barrier performance.
Keyword Aluminum oxide
Aluminum coating
Gas barrier film
Q-Index Code C1

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Physical Sciences Publications
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Created: Tue, 10 Jun 2008, 21:37:44 EST