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Characterization of mechanical, optical and structural properties of bismuth oxide thin films as a write-once medium for blue laser recording

Published online by Cambridge University Press:  04 February 2014

M. Martyniuk ,
D. Baldwin ,
R. Jeffery ,
K.K.M.B.D. Silva ,
R.C. Woodward ,
J. Cliff ,
R.N. Krishnan ,
J.M. Dell  and
L Faraone
M. Martyniuk
Affiliation:
School of Electrical, Electronic and Computer Engineering, The University of Western Australia, 35 Stirling Hwy, Crawley, WA 6009, Australia
D. Baldwin
Affiliation:
4Wave Inc., Sterling, VA, United States
R. Jeffery
Affiliation:
Panorama Synergy Ltd, Balcatta, WA, Australia
K.K.M.B.D. Silva
Affiliation:
School of Electrical, Electronic and Computer Engineering, The University of Western Australia, 35 Stirling Hwy, Crawley, WA 6009, Australia
R.C. Woodward
Affiliation:
School of Physics, The University of Western Australia, 35 Stirling Hwy, Crawley, WA 6009, Australia
J. Cliff
Affiliation:
Centre for Microscopy, Characterisation and Analysis, The University of Western Australia, 35 Stirling Hwy, Crawley, WA 6009, Australia
R.N. Krishnan
Affiliation:
School of Electrical, Electronic and Computer Engineering, The University of Western Australia, 35 Stirling Hwy, Crawley, WA 6009, Australia
J.M. Dell
Affiliation:
School of Electrical, Electronic and Computer Engineering, The University of Western Australia, 35 Stirling Hwy, Crawley, WA 6009, Australia
L Faraone
Affiliation:
School of Electrical, Electronic and Computer Engineering, The University of Western Australia, 35 Stirling Hwy, Crawley, WA 6009, Australia
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Abstract

We report on the preparation and characterization of crystalline bismuth oxide thin films via Biased Target Ion Beam Deposition method. A focused blue laser (405nm) is used to write an array of dots in the bismuth oxide thin film and demonstrate clear and circular recording marks in form of “bubbles” or “little volcanos” (FWHM ∼500nm). Results indicate excellent static recording characteristics, writing sensitivity and contrast. The recording mechanism is investigated and is believed to be related to laser-induced morphology change.

Keywords

thin filmhardnession-beam assisted deposition

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Type
Articles
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MRS Online Proceedings Library (OPL) , Volume 1633: Symposium R – Oxide Semiconductors , 2014 , pp. 87 - 92
Copyright
Copyright © Materials Research Society 2014 

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References

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