Li-impurity effect in optical spectra of KTaO.sub.3./sub.:Er.sup.3+./sup. crystals

SKVORTSOV, A. P., POTŮČEK, Z., POLETAEV, N.K., SYRNIKOV, P. P., BRYKNAR, Z., DEJNEKA, A., JASTRABÍK, L., TREPAKOV, V. Li-impurity effect in optical spectra of KTaO₃:Er³⁺ crystals. Optics and Spectroscopy. 2016, 121(4), 534-537. ISSN 0030-400X. E-ISSN 1562-6911. Available: doi: 10.1134/S0030400X16100222