Eu:Lu2O3 transparent ceramics prepared by spark-plasma-sintering

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F19%3A43919861" target="_blank" >RIV/60461373:22310/19:43919861 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.1117/12.2544573" target="_blank" >http://dx.doi.org/10.1117/12.2544573</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1117/12.2544573" target="_blank" >10.1117/12.2544573</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Eu:Lu2O3 transparent ceramics prepared by spark-plasma-sintering

Popis výsledku v původním jazyce

Lutetium oxide (Lu2O3) is an interesting host material for scintillating applications due to its properties, including high density (9.4 g/cm3), high effective atomic number (Zeff = 67), chemical and mechanical stability. Although it exhibits some intrinsic luminescent properties, its emission can be tuned to better suit the specific needs of individual applications by doping with lanthanide elements. However, the extremely high melting point of Lu2O3 (~2490 °C) makes the fabrication of a single crystal both difficult and costly. Lu2O3 is therefore commonly studied in the form of polycrystalline powder and thin films, or highly transparent dense ceramics. In this work, the fabrication of europium-doped Lu2O3 transparent ceramics is presented. First, a powder precursor was prepared using a reverse co-precipitation and characterized utilizing X-ray diffraction, scanning electron microscopy and transmission electron microscopy. Powder was then compacted into dense transparent ceramics by spark-plasmasintering. Photoluminescence, radioluminescence and transmittance spectra, as well as scanning electron microscopy pictures, of sintered Eu:Lu2O3 samples are presented.

Název v anglickém jazyce

Eu:Lu2O3 transparent ceramics prepared by spark-plasma-sintering

Popis výsledku anglicky

Lutetium oxide (Lu2O3) is an interesting host material for scintillating applications due to its properties, including high density (9.4 g/cm3), high effective atomic number (Zeff = 67), chemical and mechanical stability. Although it exhibits some intrinsic luminescent properties, its emission can be tuned to better suit the specific needs of individual applications by doping with lanthanide elements. However, the extremely high melting point of Lu2O3 (~2490 °C) makes the fabrication of a single crystal both difficult and costly. Lu2O3 is therefore commonly studied in the form of polycrystalline powder and thin films, or highly transparent dense ceramics. In this work, the fabrication of europium-doped Lu2O3 transparent ceramics is presented. First, a powder precursor was prepared using a reverse co-precipitation and characterized utilizing X-ray diffraction, scanning electron microscopy and transmission electron microscopy. Powder was then compacted into dense transparent ceramics by spark-plasmasintering. Photoluminescence, radioluminescence and transmittance spectra, as well as scanning electron microscopy pictures, of sintered Eu:Lu2O3 samples are presented.

Druh

D - Stať ve sborníku

CEP obor

—

OECD FORD obor

10402 - Inorganic and nuclear chemistry

Projekt

<a href="/cs/project/TJ01000411" target="_blank" >TJ01000411: Nové oxidové materiály dopované lanthanoidy a přechodnými kovy pro výrobu scintilátorů</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2019

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

Proceedings of SPIE

ISBN

—

ISSN

0277-786X

e-ISSN

1996-756X

Počet stran výsledku

12

Strana od-do

"Article number 113850K"

Název nakladatele

SPIE- The International Society for Optical Engineering

Místo vydání

Denvers,MA

Místo konání akce

Liberec

Datum konání akce

8. 10. 2019

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

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