Europium-doped Lu2O3 phosphors prepared by a sol-gel method

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F19%3A43919148" target="_blank" >RIV/60461373:22310/19:43919148 - isvavai.cz</a>
Result on the web
<a href="https://iopscience.iop.org/article/10.1088/1757-899X/465/1/012009/pdf" target="_blank" >https://iopscience.iop.org/article/10.1088/1757-899X/465/1/012009/pdf</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1088/1757-899X/465/1/012009" target="_blank" >10.1088/1757-899X/465/1/012009</a>

Result language
angličtina
Original language name
Europium-doped Lu2O3 phosphors prepared by a sol-gel method
Original language description
Cubic lutetium sesquioxide (Lu2O3) presents a suitable host material because of its favourable properties including chemical and phase stability. Lu2O3 has a wide band gap (> 5.5 eV) and its doping with lanthanide ions, which behave as activators, gives rise to some unique optical properties. Also, due to a high effective atomic number (Zeff = 68.8) and high density (9.42 g/cm3) of the Lu2O3 host, providing high stopping power for ionizing radiation, it has also attracted attention as a scintillator material. Since optical properties are affected by both crystal structure and morphology, which depend strongly on the synthesis method and conditions employed, many different methods have been studied for its synthesis. However, due to high melting temperature of Lu2O3 (2490 degrees C), the preparation of single crystals is difficult. In our work, we prepared polycrystalline samples of Eu:Lu2O3 using a sol-gel route based on the Pechini polycondensation. We tested three europium doping concentrations, two different annealing regimes were examined as well. The influence of mentioned parameters on photoluminescent and radioluminescent properties was established. Our samples proved that the used synthesis method can be used for further research of Lu2O3 doped with other rare-earth metals.
Czech name
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Czech description
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Project
<a href="/en/project/TJ01000411" target="_blank" >TJ01000411: New oxide materials doped with lanthanides and transition metals for production of scintillators</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2019
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
IOP Conference Series: Materials Science and Engineering
ISBN
—
ISSN
1757-8981
e-ISSN
—
Number of pages
7
Pages from-to
"Article number UNSP 012009"
Publisher name
IOP Publishing
Place of publication
Bristol
Event location
Pavlov
Event date
Sep 3, 2018
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
000471165300009

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