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The Influence of Mechanical Deformation on the Optical Properties of Laminated As2S3, GeSe2 and As2Se3 Crystals

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Abstract:

Reversible photostructural conversions (darkening and bleaching) attended by a shift of transmittance edge and by the photoluminescence fatigue effect are revealed. Upon mechanical treatment of crystals the maximum of the luminescence excitation spectrum shifts toward higher energies. The low-energy edge of the luminescence spectrum flattens, and emission intensity increases. The experimental results are interpreted within a configuration model of two stable structural states of molecular groups.

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Mechanical Spectroscopy III View Preview

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Periodical:

Solid State Phenomena (Volume 115)

Pages:

251-254

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.115.251

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Online since:

August 2006

Authors:

A.B. Babaev, I.K. Kamilov, S.B. Sultanov, F.S. Gabibov, A.M. Askhabov

Keywords:

Chalcogenide Glassy Semiconductor, Photoluminescence (PL), Photostructural Conversions

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© 2006 Trans Tech Publications Ltd. All Rights Reserved

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