Emission spectra,longitudinal transmission and light output for the Sb-doped and Y-doped PbWO_(4) crystals are presented.Scintillation decay kinetics has been measured by using gate integration and single photon count...Emission spectra,longitudinal transmission and light output for the Sb-doped and Y-doped PbWO_(4) crystals are presented.Scintillation decay kinetics has been measured by using gate integration and single photon counting method with blue and green filters.Radiation hardness has also been measured by using ^(60)Coγ-ray irradiation under different dose rates and different dose rate profiles.The light yield and radiation hardness of the Sb-doped and Y-doped PbWO_(4) crystals are improved as compared to the undoped crystals and are suitable for the requirements of compact muon solenoid.展开更多
La 4- x (P 2O 5) 3:Eu x were synthesized from a mixed solution of La(NO 3) 3 and Eu(NO 3) 3 in nitric acid solution(pH=4.5) followed by precipitation on addition of Na 4P 2O 7 solution and calcination at 900 ℃. The p...La 4- x (P 2O 5) 3:Eu x were synthesized from a mixed solution of La(NO 3) 3 and Eu(NO 3) 3 in nitric acid solution(pH=4.5) followed by precipitation on addition of Na 4P 2O 7 solution and calcination at 900 ℃. The products showed a highest excitation peak at 349 nm and highest emission peak at 596 nm .展开更多
基金Supported by the National Natural Science Foundation of China under Grant No.59932002.
文摘Emission spectra,longitudinal transmission and light output for the Sb-doped and Y-doped PbWO_(4) crystals are presented.Scintillation decay kinetics has been measured by using gate integration and single photon counting method with blue and green filters.Radiation hardness has also been measured by using ^(60)Coγ-ray irradiation under different dose rates and different dose rate profiles.The light yield and radiation hardness of the Sb-doped and Y-doped PbWO_(4) crystals are improved as compared to the undoped crystals and are suitable for the requirements of compact muon solenoid.
文摘La 4- x (P 2O 5) 3:Eu x were synthesized from a mixed solution of La(NO 3) 3 and Eu(NO 3) 3 in nitric acid solution(pH=4.5) followed by precipitation on addition of Na 4P 2O 7 solution and calcination at 900 ℃. The products showed a highest excitation peak at 349 nm and highest emission peak at 596 nm .
