Optical Absorption and Piezoelectric Effect Investigation in Single Crystal of AgGaGe3Se7.6Te0.4 Solid Solution
Journal Title: Фізика і хімія твердого тіла - Year 2016, Vol 17, Issue 4
Abstract
In present work spectral distribution of absorption coefficient in the range of 100 – 300 K was investigated and band gap values evaluated. Parameters of Urbach rule were calculated and linearity of temperature dependence of Urbach energy was showed. Thermo induced piezoelectric effect in a range of 297 - 357 K was investigated. Laser induced kinetics of piezomodule was investigated and absence of irreversible changes was showed. Influence of heating the crystal during laser illuminating on piezoelectric module was adjusted.
Authors and Affiliations
A. S. Krymus, G. L. Myronchuk, O. V. Parasyuk, I. V. Kityk
Keywords
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- EP ID EP261707
- DOI 10.15330/pcss.17.4.539-543
- Views 96
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