Performance comparison of scintillators for alpha particle detectors

Morishita, Yuki; Yamamoto, Seiichi; Izaki, Kenji; Kaneko, Junichi; Toui, Kohei; Tsubota, Youichi; Higuchi, Mikio

doi:10.1016/j.nima.2014.07.046

Cited by 49 publications

(17 citation statements)

References 14 publications

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“…C ERIUM-doped Gd 3 Al 2 Ga 3 O 12 (Ce:GAGG) is a relatively new single crystal scintillator with several properties that make it interesting for applications such as gamma spectroscopy [1], [2], alpha particle detection [3], [4] and nuclear medicine [5]- [9]. The material was first reported in 2011 and single crystals can be grown by the Czochralski (Cz) method [10], [11].…”

Section: Introductionmentioning

confidence: 99%

Energy Resolution and Temperature Dependence of Ce:GAGG Coupled to Silicon Photomultipliers

Seitz

Rivera

Stewart

2016

IEEE Trans. Nucl. Sci.

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Abstract-Scintillators are a critical component of sensor systems for the detection of ionizing radiation. Such systems have a diverse portfolio of applications from medical imaging, well logging in oil exploration and detection systems for the prevention of the illicit movement of nuclear materials. The rare earth element cerium is an ideal dopant for a variety of host scintillating materials due to the fast 5d1 → 4f radiative transition of Ce 3+ . Cerium-doped Gadolinium Aluminium Gallium Garnet (Ce:GAGG) is a relatively new single crystal scintillator with several interesting properties. These include high light yield; an emission peak well-matched to silicon sensors; and a low intrinsic energy resolution. Moreover, the material has a high density and is non-hygroscopic. In this article we review the properties of cerium-doped GAGG and report Energy Resolution (ER) measurements over the temperature range -10• C to +50• C for 3 × 3 × 30 mm 3 Ce:GAGG crystals optically coupled to a Silicon Photomultipler (SiPM) sensor with a 3mm × 3mm active area. In addition the linearity of the scintillator-SiPM response as a function of gamma energy is reported.

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Section: Introductionmentioning

confidence: 99%

Energy Resolution and Temperature Dependence of Ce:GAGG Coupled to Silicon Photomultipliers

Seitz

Rivera

Stewart

2016

IEEE Trans. Nucl. Sci.

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“…Scintillation detectors such as polycrystalline silver doped zinc sulfide, ZnS(Ag), gadolinium pyrosilicate (GPS) and gadolinium aluminum gallium garnet (GAGG) single crystals are used for alpha radiation detection 4 . In the last two decades, work on zinc oxide in different forms such as phosphor, transparent ceramics, thin film, single crystal has been reported as a potential scintillator.…”

Section: Introductionmentioning

confidence: 99%

Efficient Alpha Radiation Detector using Low Temperature Hydrothermally Grown ZnO:Ga Nanorod Scintillator

Sahani

Kumari

Pandya

et al. 2019

Sci Rep

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We report efficient detection of alpha radiation on highly textured and vertically aligned along (002) Gallium-doped Zinc Oxide (ZnO:Ga) nanorods on a glass substrate with an average diameter ~150 ± 10 nm. Photoluminescence measurement showed near band emission 393 nm, in agreement with the bandgap value ~3.22 eV, measured by UV-Vis spectroscopy. The developed ZnO:Ga nanorod scintillator is coupled with a commercially available photomultiplier tube and 1K Multichannel Analyser to fabricate an alpha radiation detector. The performance of the alpha radiation detector is evaluated using various activities alpha radiation sources. A large pulse height spectrum is recorded by the detector for different alpha sources against the background spectrum. The calculated detection efficiency and Minimum Detectable Activity (MDA) showed that the detector is highly sensitive to alpha radiation. The repeatability and reproducibility of the performance are studied by evaluating the response of a single scintillator for numerous exposures and by studying inter-batch response variations, respectively. The response is repeatable within ±1% whereas reproducibility varies from ±20% for extremely low activity alpha sources to ±5% for high activity alpha sources. The performance of ZnO:Ga nanorod scintillator grown on glass substrate demonstrates that it can be a promising material system for the detection of alpha radiation.

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“…The energy resolution toward 5.486 MeV α-particles was 23.8%, comparable to some typical scintillators, like NE-102 (16.1%). 36 Well-resolved full-energy peaks were also visible under exposure from other α source ( 239 Pu (E α = 5.157 MeV), 237 Np (E α = 4.788 MeV). We calibrated the α-particle energy loss in air according to the Stopping and Range of Ions in Matter (SRIM; Figure S5).…”

Section: Scintillation Performance Characterizationmentioning

confidence: 91%

Organic–inorganic hybrid perovskite scintillators for mixed field radiation detection

Xia

Niu

Liu

et al. 2022

InfoMat

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Sensitive and fast detection of neutrons and gamma rays is vital for homeland security, high‐energy physics, and proton therapy. Fast‐neutron detectors rely on light organic scintillators, and γ‐ray detectors use heavy inorganic scintillators and semiconductors. Efficient mixed‐field detection using a single material is highly challenging due to their contradictory requirements. Here we report hybrid perovskites (C8H12N)2Pb(Br1−xClx)4 that combine light organic cations and heavy inorganic skeletons at a molecular level to achieve unprecedented performance for mixed‐field radiation detection. High neutron absorption due to a high density of hydrogen, strong radiative recombination within the highly confined [PbX6]4− layer, and sub‐nanometer distance between absorption sites and radiative centers, enable a light yield of 41 000 photons/MeV, detection pulse width of 2.97 ns and extraordinary linearity response toward both fast neutrons and γ‐rays, outperforming commonly used fast‐neutron scintillators. Neutron energy spectrum, time‐of‐flight based fast‐neutron/γ‐ray discrimination and neutron yield monitoring were all successfully achieved using (C8H12N)2Pb(Br0.95Cl0.05)4 detectors. We further demonstrate the monitoring of reaction kinetics and total power of a nuclear fusion reaction. We envision that molecular hybridized scintillators open a new avenue for mixed‐field radiation detection and imaging.

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Performance comparison of scintillators for alpha particle detectors

Cited by 49 publications

References 14 publications

Energy Resolution and Temperature Dependence of Ce:GAGG Coupled to Silicon Photomultipliers

Energy Resolution and Temperature Dependence of Ce:GAGG Coupled to Silicon Photomultipliers

Efficient Alpha Radiation Detector using Low Temperature Hydrothermally Grown ZnO:Ga Nanorod Scintillator

Organic–inorganic hybrid perovskite scintillators for mixed field radiation detection

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