Optical Absorption and Piezoelectric Effect Investigation in Single Crystal of AgGaGe3Se7.6Te0.4 Solid Solution

  • A.S. Krymus Eastern European National University
  • I.V. Kityk Physics Department, Eastern European National University
  • O.V. Parasyuk Department of Chemistry, Eastern European National University
  • G.L. Myronchuk Physics Department, Eastern European National University
Keywords: chalcogenides, single crystal, band gap, Urbach rule, piezoelectric effect

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.

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Published
2016-12-15
How to Cite
KrymusA., KitykI., ParasyukO., & MyronchukG. (2016). Optical Absorption and Piezoelectric Effect Investigation in Single Crystal of AgGaGe3Se7.6Te0.4 Solid Solution. Physics and Chemistry of Solid State, 17(4), 539-543. https://doi.org/10.15330/pcss.17.4.539-543
Section
Scientific articles