Temperature-dependent characteristics, light yield nonproportionality, and intrinsic energy resolution of Ce,Mg:Lu2Y(Al,Ga)5O12 garnet ceramics

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F25%3A00619780" target="_blank" >RIV/68378271:_____/25:00619780 - isvavai.cz</a>

Výsledek na webu

<a href="https://doi.org/10.1016/j.radphyschem.2025.112886" target="_blank" >https://doi.org/10.1016/j.radphyschem.2025.112886</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.radphyschem.2025.112886" target="_blank" >10.1016/j.radphyschem.2025.112886</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Temperature-dependent characteristics, light yield nonproportionality, and intrinsic energy resolution of Ce,Mg:Lu2Y(Al,Ga)5O12 garnet ceramics

Popis výsledku v původním jazyce

The temperature-dependent characteristics of Ce,Mg:Lu2YGaxAl5-xO12 (x = 1.5, 2, 2.5, 3) garnet ceramics, fabricated by two-step sintering combined with air annealing, were investigated under photo and X-ray excitation. At high temperature, the decrease of radioluminescence intensity and photoluminescence decay time was observed in all samples due to thermal ionization of the Ce3+ excited 5d1 state. The activation energies of the thermal ionization process were determined from the temperature-dependent photoluminescence decay time measurements. Afterglow level was also measured under X-ray excitation. The light yield ratio (α/γ ratio) under excitation with α particles and γ photons, light yield nonproportionality, and energy resolution versus γ-ray energy were measured, and the intrinsic resolution was calculated and discussed.

Název v anglickém jazyce

Temperature-dependent characteristics, light yield nonproportionality, and intrinsic energy resolution of Ce,Mg:Lu2Y(Al,Ga)5O12 garnet ceramics

Popis výsledku anglicky

The temperature-dependent characteristics of Ce,Mg:Lu2YGaxAl5-xO12 (x = 1.5, 2, 2.5, 3) garnet ceramics, fabricated by two-step sintering combined with air annealing, were investigated under photo and X-ray excitation. At high temperature, the decrease of radioluminescence intensity and photoluminescence decay time was observed in all samples due to thermal ionization of the Ce3+ excited 5d1 state. The activation energies of the thermal ionization process were determined from the temperature-dependent photoluminescence decay time measurements. Afterglow level was also measured under X-ray excitation. The light yield ratio (α/γ ratio) under excitation with α particles and γ photons, light yield nonproportionality, and energy resolution versus γ-ray energy were measured, and the intrinsic resolution was calculated and discussed.

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

—

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2025

Kód důvěrnosti údajů

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

Název periodika

Radiation Physics and Chemistry

ISSN

0969-806X

e-ISSN

1879-0895

Svazek periodika

236

Číslo periodika v rámci svazku

Nov

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

6

Strana od-do

112886

Kód UT WoS článku

001490620600002

EID výsledku v databázi Scopus

2-s2.0-105004413418