Preparation and Characterization of ZnO and CdWO۴ Nanopowders for Radiation Sensing
Publish Year: 1400
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_PPAM-1-1_003
تاریخ نمایه سازی: 26 شهریور 1403
Abstract:
Today, there is a great request for radiation detection in medical and industrial fields. Zinc oxide (ZnO) and cadmium tungstate (CWO) are two types of scintillator perspective due to their useful features such as high density, large Z, and efficient scintillation output. In this study, ZnO and CWO nanopowders were synthesized by the simple sol-gel method, and ZnO and CWO films were prepared by spin coating technique on glass substrates. Samples were characterized by X-ray diffraction, transmission electron microscopy, and X-ray induced luminescence measurements. XRD analysis showed that ZnO and CWO powders were well synthesized with wurtzite and monoclinic wolframite structures, respectively. It was observed that the particle diameters for ZnO and CWO nanopowders are ۲۲ and ۱۰۰ nm, respectively. The scintillation response of samples was measured using a ۲۴۱Am alpha source. Compared to ZnO, CWO nanopowders showed prominent luminescence properties with higher radiation sensitivity for applications in fields of radiation detection.
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Authors
Sanaz Alamdari
Faculty of Physics, Semnan University, Semnan, Iran
Majid Jafar Tafreshi
Faculty of Physics, Semnan University, Semnan, Iran
Morteza Sasani Ghamsari
Photonics & Quantum Technologies Research School, Nuclear Science and Technology Research Institute, ۱۱۱۵۵-۳۴۸۶, Tehran, Iran
Mohammad Hosein Majles Ara
Applied Science Research Center(ASRC), Kharazmi University, Tehran ۳۱۹۷۹-۳۷۵۵۱, Iran
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