Advances in Scintillation Ceramic: Design, Preparation and Characterization

Dear Colleagues,

Since the scintillation material first appeared in the 19^th century, research work on scintillation materials has focused more on crystal materials. Until now, many kinds of crystal scintillators have been applied in application fields like high energy physics experiments, medical imaging, security inspection, aerospace, and some other fields. Even so, the time cost and the relatively harsh growth conditions for the growth of crystalline materials are also problems that crystal scintillators have always been facing. Moreover, the segregation of co-doping ions and coloring problems often appear in crystal materials as well. Besides, the harsh growth environment of the crystal material may also introduce some defects, which are harmful to the scintillation performance of the scintillator, such as the anti-site defects in garnet crystal material. In garnet ceramics, the generation of anti-site defects can be greatly suppressed.

What’s more, the preparation process of ceramic materials is simple and the production cost is lower than that of single crystals. Furthermore, it is much easier to achieve uniform ion doping in ceramic materials. All of these make the research of ceramic scintillators of great significance. In recent years, some breakthroughs have been made in the research on low-valent ion co-doping based on "defect engineering" and multi-component garnet based on "band-band engineering". Moreover, the performance of LYSO:Ce ceramics is now also close to its crystals counterpart. These new results all prove that ceramic scintillators are becoming more and more important and are expected to replace crystal materials in the future.

This Special Issue will compile recent developments on scintillation ceramics. The articles on new scintillation material composition, luminescence mechanism of scintillation ceramics, optimization of the preparation method, radiation hardness of scintillation ceramic, optical properties of ceramic, the defects in scintillation ceramic and scintillation response are welcomed.

Dr. Benxue Jiang
Guest Editor

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• scintillation ceramic
• ceramic composition
• scintillation performance
• light output
• slow component
• defects
• luminescence