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Photoluminescence of erbium doped KTaO.sub.3./sub. crystals
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SYSNO ASEP 0324144 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Photoluminescence of erbium doped KTaO3 crystals Title Fotoluminiscence erbiem dopovaných krystalů KTaO3. Author(s) Potůček, Zdeněk (FZU-D) RID, ORCID
Bryknar, Z. (CZ)
Trepakov, Vladimír (FZU-D) RIDSource Title Proceedings of the 18th Joint seminar Development of materials science in research and education. - Praha : Czechoslovak association for crystal growth, 2008 / Nitsch K. ; Rodová M. - ISBN 978-80-254-0864-3 Pages s. 54-55 Number of pages 2 s. Action Development of Materials Science in Research and Education, Joint Seminar 2008 /18./ Event date 02.09.2008-05.09.2008 VEvent location Hnanice Country CZ - Czech Republic Event type EUR Language eng - English Country CZ - Czech Republic Keywords photoluminescence ; KTaO3 crystal ; erbium Subject RIV BH - Optics, Masers, Lasers R&D Projects GA202/08/1009 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z10100522 - FZU-D (2005-2011) Annotation Photoluminescence emission spectra of KTaO3:Er crystals was studied within the wide temperature (12 – 300 K) and spectral (300 – 1200 nm) regions in order to reveal luminescence centers related to Er ions and to elucidate their optical properties. Under excitation with band-gap light at low temperatures, the KTaO3:Er crystals shoved a broad asymmetric emission band peaking near 490 nm at 12 K that belongs to well-known “green” photoluminescence of KTaO3 crystals. Erbium doping was accompanied by appearance of narrow structured emission bands in the vicinity of 550, 660, and 850 nm that were attributed to radiative transitions within Er3+ ions with 4f11 electron configuration. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2009
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