Photoluminescence characteristics of yttrium niobate doped with Bi 3+ ions


Views: 45 / PDF downloads: 38

Authors

  • А. Кисабекова
  • А. Красников

DOI:

https://doi.org/10.32523/2616-6836-2021-136-3-45-54

Abstract

The article investigates characteristics of the intrinsic and Bi 3+ -related luminescence of YNbO 4 :Bi powders with different Bi contentsstudied by steady-state and time-resolved spectroscopy methods. It is assumed that the YNbO 4 :Bi emission is of exciton origin. The main Bi 3+ -related emission band (2.53 eV) excited at 4.09 eV is ascribed to the radiative decay of an exciton localized around a single Bi 3+ ion. A weak lower-energy (2.41 eV) emission is ascribed to an exciton localized around a dimer Bi 3+ center.There is no emission arising from the 3 P 1,0 → 1 S 0 transitions of a Bi 3+ ion.

Downloads

Published

2022-07-01

How to Cite

Кисабекова , А., & Красников , А. (2022). Photoluminescence characteristics of yttrium niobate doped with Bi 3+ ions. BULLETIN OF THE L.N. GUMILYOV EURASIAN NATIONAL UNIVERSITY. PHYSICS. ASTRONOMY SERIES, 136(3), 45–54. https://doi.org/10.32523/2616-6836-2021-136-3-45-54

Issue

Vol. 136 No. 3 (2021)

Section

Статьи