Comparison of Lu3Al5O12:Ce(Er) bulk and nano single crystals
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21340%2F24%3A00382351" target="_blank" >RIV/68407700:21340/24:00382351 - isvavai.cz</a>
Result on the web
<a href="https://www.confer.cz/nanocon/2024/4979-optical-properties-of-lu3al5o12-ce-er-nanocrystals" target="_blank" >https://www.confer.cz/nanocon/2024/4979-optical-properties-of-lu3al5o12-ce-er-nanocrystals</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.37904/nanocon.2024.4979" target="_blank" >10.37904/nanocon.2024.4979</a>
Alternative languages
Result language
angličtina
Original language name
Comparison of Lu3Al5O12:Ce(Er) bulk and nano single crystals
Original language description
Lutetium aluminum garnet (LuAG) is a crystal well known for being extraordinarily useful for building highly efficient laser devices or ionizing radiation detectors. To design the most favourable physical properties, different dopants and synthesis methods are constantly developed, primarily focused on the advantages of single crystals. However, the downscaling of the luminescent materials to nanosize also creates additional benefits of increased surface to volume ratio and thus, the efficiency of luminescence or doping can be improved. Therefore, the aim of this work is to compare the single crystals and nanogarnets under the influence of Ce and Er doping. Optical properties of the garnet single crystals are very well known while the nanocrystals should have been studied first. Synergy of methods like X-ray diffraction (XRD), photoluminescence (PL), photothermal deflection spectroscopies (PDS) were applied to the LuAG:Ce(Er) nanocrystals whereas the electron paramagnetic resonance (EPR) measurements were carried out in both single and nanocrystals. The main conclusion is that cerium enters nanocrystalline lattice becoming Ce4+ compensated by the Cr2+, Fe2+ ions (accidental impurities) whereas it is also Ce3+ in the single crystal. About one order of magnitude larger Er3+ content was observed in the case of nanocrystals as compared to single crystals.
Czech name
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Czech description
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Classification
Type
D - Article in proceedings
CEP classification
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OECD FORD branch
10302 - Condensed matter physics (including formerly solid state physics, supercond.)
Result continuities
Project
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Continuities
V - Vyzkumna aktivita podporovana z jinych verejnych zdroju
Others
Publication year
2024
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Article name in the collection
16th International Conference on Nanomaterials - Research & Application (NANOCON 2024)
ISBN
978-80-88365-20-4
ISSN
2694-930X
e-ISSN
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Number of pages
8
Pages from-to
33-40
Publisher name
TANGER
Place of publication
Ostrava
Event location
Brno
Event date
Oct 16, 2024
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
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