Luminescence of the Cr3+ R-lines in pure and MgO co-doped near stoichiometric LiNbO3:Cr crystals
Han, T.P.J. and Jaque, F. and Bermudez, V. and Dieguez, E. (2003) Luminescence of the Cr3+ R-lines in pure and MgO co-doped near stoichiometric LiNbO3:Cr crystals. Chemical Physics Letters, 369 (2003). pp. 519-524. ISSN 0009-2614
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The photoluminescence property of pure and MgO co-doped near stoichiometric LiNbO3:Cr crystals has been investigated. It has been found that the presence of low Mg ion content in the crystals induces the coexistence of two types of Cr3þ sites; Cr3þ ion substituting Liþ and Nb5þ sites. In MgO co-doped samples, four narrow emission bands have been found and three of them are correlated with the broad absorption bands associated to the Cr3þ ions located in Nb5þ site (½CrNb centres). The observation of the zero-phonon line at 13 540 cm1 only in pure LiNbO3:Cr crystals of near stoichiometric composition suggests it could be used as a probe to monitor the composition of LiNbO3 crystals.
| Creators(s): |
Han, T.P.J.  ORCID: https://orcid.org/0000-0002-2303-6861, Jaque, F., Bermudez, V. and Dieguez, E.;
| Item type: | Article |
|---|---|
| ID code: | 2948 |
| Keywords: | photoluminescence, crystals, nanoscience, Solid state physics. Nanoscience, Physics and Astronomy(all), Physical and Theoretical Chemistry |
| Subjects: | Science > Physics > Solid state physics. Nanoscience |
| Department: | Faculty of Science > Physics |
| Depositing user: | Strathprints Administrator |
| Date deposited: | 22 Feb 2007 |
| Last modified: | 20 Jan 2021 16:53 |
| Related URLs: | |
| URI: | https://strathprints.strath.ac.uk/id/eprint/2948 |
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