Nonlinear Photo-Diffusion in Amorphous Chalcogenide Multilayers

Abstract:

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Enhanced intermixing, induced by a laser beam, has been recently observed in amorphous Se/As2S3 and similar multilayers. We report a model, based on the concept of thermal spikes, which can consistently describe experimental observations. The concentration dependence of the light absorption properties causes the photo-stimulated diffusion to be non-linear even when a concentration independent coefficient of thermo-stimulated diffusion is assumed.

Info:

Periodical:

Defect and Diffusion Forum (Volumes 237-240)

Edited by:

M. Danielewski, R. Filipek, R. Kozubski, W. Kucza, P. Zieba, Z. Zurek

Pages:

1210-1215

DOI:

10.4028/www.scientific.net/DDF.237-240.1210

Citation:

I. Iván et al., "Nonlinear Photo-Diffusion in Amorphous Chalcogenide Multilayers", Defect and Diffusion Forum, Vols. 237-240, pp. 1210-1215, 2005

Online since:

April 2005

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Price:

$35.00

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