The Role of Er3+ Content in the Luminescence Properties of Y3Al5O12 Single Crystals: Incorporation into the Lattice and Defect State Creation-Reference-Cited by-同舟云学术

The Role of Er3+ Content in the Luminescence Properties of Y3Al5O12 Single Crystals: Incorporation into the Lattice and Defect State Creation

Published:2023-03-25 Issue:4 Volume:13 Page:562
ISSN:2073-4352
Container-title:Crystals
language:en
Short-container-title:Crystals

Author:

Buryi Maksym¹²,Gaston-Bellegarde Amayès Médhi¹²,Pejchal Jan¹^ORCID,Levchenko Fedor¹³,Remeš Zdeněk¹^ORCID,Ridzoňová Katarína¹⁴,Babin Vladimir¹,Chertopalov Sergii¹^ORCID

Affiliation:

1. FZU—Institute of Physics of the Czech Academy of Sciences, Na Slovance 1999/2, 182 00 Prague, Czech Republic

2. Faculty of Nuclear Sciences and Physical Engineering, Brehova 7, 115 19 Prague, Czech Republic

3. Department of Inorganic Chemistry, University of Chemistry and Technology, Technická 5, 166 28 Prague, Czech Republic

4. Faculty of Mathematics and Physics, Institute of Physics, Charles University, Ke Karlovu 5, 121 16 Prague, Czech Republic

Abstract

Erbium-doped Y3Al5O12 (YAG) single crystals grown using the micro-pulling-down technique were investigated. Three Er concentrations were chosen: 0.1, 0.3 and 1 at%. Er3+ electron paramagnetic resonance (EPR) spectra were measured in the ground and first excited states. The corresponding g tensors and 167Er hyperfine interaction were changing upon Er content indicating moderation of the Er-O bond length and/or Er local surrounding. Photoluminescence (PL) and radioluminescence (RL) spectra were complex, consisting of strongly overlapped typical Er3+ transitions. In addition, there were other broad PL band (3.1 eV) and RL band (3.95 eV) attributed to the F+ center and yttrium substituting for aluminum (YAl), respectively. The X-ray excited decay kinetics exhibited a decrease of the decay time of the YAl from hundreds of nanoseconds to nanoseconds upon Er doping level. This is discussed and explained considering EPR data.

Publisher

MDPI AG

Subject

Inorganic Chemistry,Condensed Matter Physics,General Materials Science,General Chemical Engineering

Link

https://www.mdpi.com/2073-4352/13/4/562/pdf

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