Doping effects on microstructure and scintillation properties of cadmium tungstate films

Huamei Shang; Ying Wang; Brian Milbrath; Mary Bliss; Guozhong Cao

doi:10.1117/12.563220

14 October 2004 Doping effects on microstructure and scintillation properties of cadmium tungstate films

Huamei Shang, Ying Wang, Brian Milbrath, Mary Bliss, Guozhong Cao

Proceedings Volume 5510, Nanophotonic Materials; (2004) https://doi.org/10.1117/12.563220
Event: Optical Science and Technology, the SPIE 49th Annual Meeting, 2004, Denver, Colorado, United States

Abstract

This paper reports experimental study on the development of cadmium tungstate scintillator material in the form of nanocrystal films through controlled sol-gel processing and pre-designed doping. We chose cadmium tungstate as a base material for doping and nanostructure development due to its excellent inherent photoluminescence property. In addition, our studies revealed that doping with Li⁺, B³⁺ and Bi³⁺ resulted in appreciably reduced grain size and porosity, leading to enhanced optical transmittance. Further analyses indicated that photoluminescence output changed significantly with dopants. The relationships between doping, defects and luminescence were discussed.

Citation Download Citation

Huamei Shang, Ying Wang, Brian Milbrath, Mary Bliss, and Guozhong Cao "Doping effects on microstructure and scintillation properties of cadmium tungstate films", Proc. SPIE 5510, Nanophotonic Materials, (14 October 2004); https://doi.org/10.1117/12.563220

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