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Advances in Nuclear Radiation Detection Materials

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Optical and Photonic Materials".

Deadline for manuscript submissions: closed (10 June 2022) | Viewed by 5923

Special Issue Editor

School of Materials Science and Engineering, Xiangtan University, Xiangtan, China
Interests: sensors; nanomaterials; optoelectronics; photonics; nanophotonics; semiconductors; photodetectors

Special Issue Information

Dear Colleagues,

Ionizing radiation detector systems have been applied in a range of applications including homeland security, nondestructive testing, diagnostic nuclear medicine, astrophysics, and high-energy physics. To detect these invisible radiation signals, it is necessary to use materials that convert their energy to UV–Visible photons (indirect conversion method) or electronic signals (direct conversion method).

A series of scintillator (NaI, CsI, BGO, plastic, etc. ) and semiconductor (Ge, Si, CdZnTe, etc.) materials including nanomaterials, thin films, and bulk crystals have been developed to detect invisible radiation signals. Recently, due to their unique optoelectronic properties, new materials such as perovskites and nanocomposites have been fabricated as radiation detectors. The research in this area has significantly improved radiation technology applications, which will make our lives safer and better.

This Special Issue will compile recent developments in the field of radiation detection materials. The articles will focus on growth methods of radiation materials, characterization, device fabrication, and radiation detection device applications.

Dr. Qiang Xu
Guest Editor

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Keywords

  • radiation detection
  • scintillators
  • X-ray detection
  • materials
  • X-ray imaging
  • semiconductor
  • crystals
  • nanocomposites
  • radiation applications

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Published Papers (2 papers)

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Research

16 pages, 15331 KiB  
Article
Ionization Radiation Shielding Effectiveness of Lead Acetate, Lead Nitrate, and Bismuth Nitrate-Doped Zinc Oxide Nanorods Thin Films: A Comparative Evaluation
by Mohamed Abdulsattar Al-Balushi, Naser M. Ahmed, Samer H. Zyoud, Mohammed Khalil Mohammed Ali, Hanan Akhdar, Osamah A. Aldaghri and Khalid Hassan Ibnaouf
Materials 2022, 15(1), 3; https://doi.org/10.3390/ma15010003 - 21 Dec 2021
Cited by 4 | Viewed by 3016
Abstract
The fabrication of Nano-based shielding materials is an advancing research area in material sciences and nanotechnology. Although bulky lead-based products remain the primary choice for radiation protection, environmental disadvantages and high toxicity limit their potentials, necessitating less costly, compatible, eco-friendly, and light-weight alternatives. [...] Read more.
The fabrication of Nano-based shielding materials is an advancing research area in material sciences and nanotechnology. Although bulky lead-based products remain the primary choice for radiation protection, environmental disadvantages and high toxicity limit their potentials, necessitating less costly, compatible, eco-friendly, and light-weight alternatives. The theme of the presented investigation is to compare the ionization radiation shielding potentialities of the lead acetate (LA), lead nitrate (LN), and bismuth nitrate (BN)-doped zinc oxide nanorods-based thin films (ZONRs-TFs) produced via the chemical bath deposition (CBD) technique. The impact of the selected materials’ doping content on morphological and structural properties of ZONRs-TF was investigated. The X-ray diffractometer (XRD) analyses of both undoped and doped TFs revealed the existence of hexagonal quartzite crystal structures. The composition analysis by energy dispersive (EDX) detected the corrected elemental compositions of the deposited films. Field emission scanning electronic microscope (FESEM) images of the TFs showed highly porous and irregular surface morphologies of the randomly aligned NRs with cracks and voids. The undoped and 2 wt.% BN-doped TFs showed the smallest and largest grain size of 10.44 nm and 38.98 nm, respectively. The linear attenuation coefficient (µ) values of all the optimally doped ZONRs-TFs measured against the X-ray photon irradiation disclosed their excrement shielding potency. The measured µ values of the ZONRs-TFs displayed the trend of 1 wt.% LA-doped TF > 1 wt.% LN-doped TF > 3 wt.% BN-doped TF > undoped TFs). The values of μ of the ZONRs-TFs can be customized by adjusting the doping contents, which in turn controls the thickness and morphology of the TFs. In short, the proposed new types of the LA-, LN- and BN-doped ZONRs-TFs may contribute towards the development of the prospective ionization radiation shielding materials. Full article
(This article belongs to the Special Issue Advances in Nuclear Radiation Detection Materials)
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10 pages, 3749 KiB  
Article
Quartz Tuning Fork Sensor-Based Dosimetry for Sensitive Detection of Gamma Radiation
by Nadyah Alanazi, Abdullah N. Alodhayb, Atheer Almutairi, Hanan Alshehri, Sarah AlYemni, Ghadah Alsowygh, Sabaa Abdulmawla, Khaled Shamma, Hamad Albrithen, Muthumareeswaran Muthuramamoorthy and Aljawhara H. Almuqrin
Materials 2021, 14(22), 7035; https://doi.org/10.3390/ma14227035 - 19 Nov 2021
Cited by 6 | Viewed by 2432
Abstract
This study generally relates to nuclear sensors and specifically to detecting nuclear and electromagnetic radiation using an ultrasensitive quartz tuning fork (QTF) sensor. We aim to detect low doses of gamma radiation with fast response time using QTF. Three different types of QTFs [...] Read more.
This study generally relates to nuclear sensors and specifically to detecting nuclear and electromagnetic radiation using an ultrasensitive quartz tuning fork (QTF) sensor. We aim to detect low doses of gamma radiation with fast response time using QTF. Three different types of QTFs (uncoated and gold coated) were used in this study in order to investigate their sensitivity to gamma radiations. Our results show that a thick gold coating on QTF can enhance the quality factor and increase the resonance frequency from 32.7 to 32.9 kHz as compared to uncoated QTF. The results also show that increasing the surface area of the gold coating on the QTF can significantly enhance the sensitivity of the QTF to radiation. We investigated the properties of gold-coated and uncoated QTFs before and after irradiation by scanning electron microscopy. We further investigated the optical properties of SiO2 wafers (quartz) by spectroscopic ellipsometry (SE). The SE studies revealed that even a small change in the microstructure of the material caused by gamma radiation would have an impact on mechanical properties of QTF, resulting in a shift in resonance frequency. Overall, the results of the experiments demonstrated the feasibility of using QTF sensors as an easy to use, low-cost, and sensitive radiation detector. Full article
(This article belongs to the Special Issue Advances in Nuclear Radiation Detection Materials)
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