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The Manifestation of Intracentral d5-States of Impurity Ions in Luminescence of Zinc Oxide
Gruzdev N. B.
1, Vokhmintsev A. S.
2, Sokolov V. I.
1, Menshenin V. V.
1, Savchenko S.S.2, Weinstein I. A. 2
1M.N. Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences, Yekaterinburg, Russia
2Ural Federal University after the first President of Russia B.N. Yeltsin, Yekaterinburg, Russia
2Ural Federal University after the first President of Russia B.N. Yeltsin, Yekaterinburg, Russia
Email: nbgruzdev@mail.ru, a.s.vokhmintsev@urfu.ru, visokolov@imp.uran.ru, menshenin@imp.uran.ru, s.s.savchenko@urfu.ru, i.a.weinstein@urfu.ru
In 1992 it was for the first time discovered that in photoluminescence (PL) spectrum of ZnO narrow line A is observed at the energy of 1.7874 eV. This line was attributed to intracentral transition from the first excited state of Fe3+ ion to the ground state 6A1 of d5 -configuration of iron ion. It is natural to suppose that in PL and its excitation (PLE) spectra the other excited intracentral states can manifest themselves. In this paper in PL spectrum of ZnMnO single crystals at room temperature and excitation energies of 4.475 and 4 eV the thin structure of a previously known peak at the energy of 2.9 eV was discovered. One of the peaks of this thin structure at the energy of 2.56 eV is in a good agreement with 4E->6A1 transition of Mn2+ ion, the following peaks can be attributed to transitions from the following excited states to 6A1. Keywords: Photoluminescence, zinc oxide, intracentral states.
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