The Ga-admixed GSAG:Ce single crystal scintillator: Composition tuning

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F23%3A00574629" target="_blank" >RIV/68378271:_____/23:00574629 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/68407700:21340/23:00371124

Výsledek na webu

<a href="https://doi.org/10.1016/j.jlumin.2023.119984" target="_blank" >https://doi.org/10.1016/j.jlumin.2023.119984</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.jlumin.2023.119984" target="_blank" >10.1016/j.jlumin.2023.119984</a>

Jazyk výsledku

angličtina

Název v původním jazyce

The Ga-admixed GSAG:Ce single crystal scintillator: Composition tuning

Popis výsledku v původním jazyce

The scintillation, luminescence and optical properties of the multicomponent Gd3Sc2Ga(2+x)Al(1-x)O12:Ce (x = 0, 0.25, 0.5, 0.75, 1), Gd2.957Sc1.905Ga(2.138+x)Al(1-x)O12:Ce (x = 0, 1) and the (200, 1000, 5000 ppm) Mg2+ codoped Gd3Sc2Ga2.75Al0.25O12:Ce single crystals grown by the μ-PD method were characterized. Scintillation decay kinetics and light yield were correlated with the sum of the content of Ga and Sc in the host. While the Gaadmixed GSAG:Ce composition exhibited higher scintillation efficiency compared to pure GSAG:Ce, it also showed very high afterglow, due to an intense delayed electron-hole recombination at Ce3+ centres. This was supported by the calculated activation energy obtained from the temperature dependence of photoluminescence decay times. Codoping with Mg2+ significantly improved afterglow compared to pure GSAG:Ce, however, at the expense of light yield

Název v anglickém jazyce

The Ga-admixed GSAG:Ce single crystal scintillator: Composition tuning

Popis výsledku anglicky

The scintillation, luminescence and optical properties of the multicomponent Gd3Sc2Ga(2+x)Al(1-x)O12:Ce (x = 0, 0.25, 0.5, 0.75, 1), Gd2.957Sc1.905Ga(2.138+x)Al(1-x)O12:Ce (x = 0, 1) and the (200, 1000, 5000 ppm) Mg2+ codoped Gd3Sc2Ga2.75Al0.25O12:Ce single crystals grown by the μ-PD method were characterized. Scintillation decay kinetics and light yield were correlated with the sum of the content of Ga and Sc in the host. While the Gaadmixed GSAG:Ce composition exhibited higher scintillation efficiency compared to pure GSAG:Ce, it also showed very high afterglow, due to an intense delayed electron-hole recombination at Ce3+ centres. This was supported by the calculated activation energy obtained from the temperature dependence of photoluminescence decay times. Codoping with Mg2+ significantly improved afterglow compared to pure GSAG:Ce, however, at the expense of light yield

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10302 - Condensed matter physics (including formerly solid state physics, supercond.)

Projekt

<a href="/cs/project/GA21-17731S" target="_blank" >GA21-17731S: Pokročilé scintilátory na bázi scandiem admixovaných granátů</a><br>

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2023

Kód důvěrnosti údajů

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

Název periodika

Journal of Luminescence

ISSN

0022-2313

e-ISSN

1872-7883

Svazek periodika

263

Číslo periodika v rámci svazku

Nov

Stát vydavatele periodika

NL - Nizozemsko

Počet stran výsledku

8

Strana od-do

119984

Kód UT WoS článku

001030035600001

EID výsledku v databázi Scopus

2-s2.0-85163143014