نتایج جستجو برای: scintillation crystals
تعداد نتایج: 60774 فیلتر نتایج به سال:
In this paper we present the studies performed on a set of Lu Al O :Pr (LuAG:Pr) crystals with praseodymium concentration between 1.5 and 10%, grown by the micro-pulling-down ( PD) technique. The research comprises the measurements of X-ray excited emission spectra and Cs gamma-ray pulse height spectra in a range from 78 to 600 K, and thermoluminescence glow curves. Based on experimental data w...
Recently, there has been great interest in developing finely pixellated position-sensitive scintillation detectors for ultra-high-resolution Positron Emission Tomography (PET) systems designed for breast cancer detection, diagnosis, and staging and for imaging small laboratory animals. We are developing a different high-resolution PET detector design that promotes nearly complete scintillation ...
A new tantalum silicate, Rb 4 Ta 2 Si 8 O 23 , was synthesized as high-quality single crystals by the high temperature flux growth method. found to exhibit intense blue luminescence and scintillation a self-activated luminescent silicate. crystallizes in triclinic space group P 1 ? with lattice parameters of = 6.8916(2) Å, b 7.7669(2) c 11.0018(3) ? 76.3110(10)°, ? 89.2560(10)°, ? 71.8090(10)°....
We have developed a position-sensitive scintillation camera with a large area absorber for use as an advanced Compton gamma-ray camera. At first we tested GSO(Ce) crystals. We compared light output from the GSO(Ce) crystals under various conditions: the method of surface polishing, the concentration of Ce, and co-doping Zr. As a result, we chose the GSO(Ce) crystals doped with only 0.5 mol% Ce,...
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