Photoluminescence of Erbium-Doped Glasses 70 Ga2S3 – 30 La2S3

  • V.V. Halyan Lesya Ukrainka Eastern European National University
  • I.A. Ivashchenko Lesya Ukrainka Eastern European National University
  • A.H. Kevshyn Lesya Ukrainka Eastern European National University
  • I.D. Olekseyuk Lesya Ukrainka Eastern European National University
  • P.V. Tishchenko Lesya Ukrainka Eastern European National University
Keywords: photoluminescence, Erbium, glasses

Abstract

Glasses of the composition (70–X) mol.% Ga2S3 - 30 mol.% La2S3 - X Er2S3 (at X = 0, 1, 3) were synthesized  and the optical absorption spectra at room temperature were studied. Photoluminescence spectra in the 2.53 - 0.73eV range at 300 and 80K were investigated. Intense PL maxima at 2.25, 1.88, 1.45, 1.26, 1.13, 0.81 eV were found which correspond to transitions in the f-shell of erbium ions. The redistribution of the intensity of PL peaks with temperature was analyzed based on the energy transition diagram of erbium ions.

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Published
2018-12-25
How to Cite
[1]
HalyanV., IvashchenkoI., KevshynA., OlekseyukI. and TishchenkoP. 2018. Photoluminescence of Erbium-Doped Glasses 70 Ga2S3 – 30 La2S3. Physics and Chemistry of Solid State. 19, 4 (Dec. 2018), 331-335. DOI:https://doi.org/10.15330/pcss.19.4.331-335.
Section
Scientific articles