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Transformation steps of microstructures in photodeposited films of a-Se

Published online by Cambridge University Press:  31 January 2011

Aaron Peled
Aaron Peled
Affiliation:
IBM Research, Almaden Research Center, 650 Harry Road, San Jose, California 95120-6099
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Abstract

Amorphous selenium (a-Se) colloid particles have been directly photodeposited onto insulating substrates. Scanning Electron Microscopy (SEM) supported by kinetic adsorption measurements reveals the origin of the photodeposition process. The studies show that film formation occurs through a sequence of particle precipitation, growth, and photoadsorption. A plastic flow and coalescence process creates a continuous monolayer before a fast deposition rate of Se on the deposited materials commences. Surface forces seem to have an important role in the creation of the morphological structures of the adsorbed particles.

Type
Articles
Information
Journal of Materials Research , Volume 4 , Issue 1 , February 1989 , pp. 177 - 179
Copyright
Copyright © Materials Research Society 1989

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References

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