Photoluminescence of Erbium-Doped Glasses 70 Ga2S3 – 30 La2S3

V.V. Halyan; I.A. Ivashchenko; A.H. Kevshyn; I.D. Olekseyuk; P.V. Tishchenko

doi:10.15330/pcss.19.4.331-335

Authors

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

DOI:

https://doi.org/10.15330/pcss.19.4.331-335

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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