Indirect excitation of Eu3+ in GaN codoped with Mg and Eu

M Yamaga, H Watanabe, M Kurahashi, K P O'Donnell, K Lorenz, M Boćkowski

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Abstract

Temperature-dependent Eu3+ luminescence spectra in GaN(Mg):Eu can be assigned to, at least, two distinct Eu3+ centres, denoted by Eu0 and Eu1. The splitting energy levels of the 7FJ (J=1,2) multiplets for the Eu0 and Eu1 centres have been calculated using the equivalent operator Hamiltonian for C3v crystal field with the addition of an odd parity distortion.

Original languageEnglish
Article number012025
Number of pages4
JournalJournal of Physics: Conference Series
Volume619
Issue number1
DOIs
Publication statusPublished - 17 Jun 2015

Keywords

  • GaN films
  • crystal structure
  • optical spectroscopy

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