Deciphering the Mechanism of Ultrafast Scintillation in 1D Silver Halides
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389021%3A_____%2F24%3A00617250" target="_blank" >RIV/61389021:_____/24:00617250 - isvavai.cz</a>
Alternative codes found
RIV/68378271:_____/24:00599253
Result on the web
<a href="https://onlinelibrary.wiley.com/doi/10.1002/lpor.202400518" target="_blank" >https://onlinelibrary.wiley.com/doi/10.1002/lpor.202400518</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1002/lpor.202400518" target="_blank" >10.1002/lpor.202400518</a>
Alternative languages
Result language
angličtina
Original language name
Deciphering the Mechanism of Ultrafast Scintillation in 1D Silver Halides
Original language description
The development of ultrafast scintillators is critical to the GHz X-ray and time-of-flight (TOF) imaging techniques. Low-dimensional silver-based halides have emerged as promising candidates due to high radioluminescence efficiency and ultrafast decay time. However, the ultrafast scintillation mechanism in silver-based halides, such as Rb2AgBr3 (RAB), remains controversial. Here, the study reveals the origin of ultrafast scintillation timing response in melt-grown RAB bulk crystals. The RAB shows light-yellow emission with a photoluminescence quantum yield (PLQY) of 13.9%. Under the picosecond (ps) pulse X-ray irradiation, RAB has an ultrafast decay time of 3.2 ns that accounts for 40.5% of the total emitted light. The light yield is estimated as 3100 photons MeV−1 under 22Na irradiation. Based on the temperature-dependent radioluminescence (RL) spectroscopy, electron paramagnetic resonance (EPR) spectroscopy, and spectrally resolved thermally-stimulated luminescence (TSL) glow curves, it is confirmed that the bromine vacancy as the F-center is the origin of the ultrafast scintillation component. These findings provide elaborated and fundamental insights into the ultrafast luminescent mechanisms of low-dimensional silver-based halides, thereby opening up new design horizons in the development of ultrafast scintillators.
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
2024
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Laser & Photonics Reviews
ISSN
1863-8880
e-ISSN
1863-8899
Volume of the periodical
18
Issue of the periodical within the volume
12
Country of publishing house
DE - GERMANY
Number of pages
9
Pages from-to
2400518
UT code for WoS article
001276153500001
EID of the result in the Scopus database
2-s2.0-85199397766