Effects of alkali earth metal doping on the luminescence and scintillation properties of Cs2HfCl6 single crystals
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F25%3A00619878" target="_blank" >RIV/68378271:_____/25:00619878 - isvavai.cz</a>
Result on the web
<a href="https://doi.org/10.1016/j.radmeas.2025.107438" target="_blank" >https://doi.org/10.1016/j.radmeas.2025.107438</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.radmeas.2025.107438" target="_blank" >10.1016/j.radmeas.2025.107438</a>
Alternative languages
Result language
angličtina
Original language name
Effects of alkali earth metal doping on the luminescence and scintillation properties of Cs2HfCl6 single crystals
Original language description
In recent years, intrinsic self-trapped exciton (STE) emission materials have been developed as promising scintillators due to their bright and self-absorption free luminescence. Among these materials, cesium hafnium chloride (Cs2HfCl6, CHC) has received attention for its high light yield, remarkable energy resolution, high radiation-stopping capability, absence of radioactive background, and low non-proportionality. This study investigated the luminescence and scintillation properties of both the undoped and alkali earth metals (AE)-doped CHC. The findings revealed that undoped and AE-doped CHC exhibited four emission peaks at 368, 383, 435, and 465 nm, corresponding to intrinsic STE emission, defect-related emission, Zr-related emission, and Irelated emission, respectively. The corresponding decay time were about 1.5, 5.5, 11, and 2.3 μs. Notably, AE doping did not introduce any new emission centers, as confirmed by photoluminescence and radioluminescence spectra. The light yield and energy resolution for undoped CHC and CHC:AE were measured to be 34,000–37,000 ph/MeV and 3.5–4.1 % at 662 keV, respectively. Although AE doping did not enhance scintillation properties of CHC, this study elucidated several sources of luminescence centers in CHC, providing valuable insights for future optimization of its scintillation properties.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
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
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2025
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Radiation Measurements
ISSN
1350-4487
e-ISSN
1879-0925
Volume of the periodical
184
Issue of the periodical within the volume
June
Country of publishing house
GB - UNITED KINGDOM
Number of pages
7
Pages from-to
107438
UT code for WoS article
001475483800001
EID of the result in the Scopus database
2-s2.0-105002698315