دراسة مدى دقائق ألفا وبيتا في الكادميوم النقي والمطعم ڊ ـ ( Te , Se , S )

Abstract

IN THIS RESEARCHER, A THEORETICAL STUDY WAS APPLIED FOR THE SUBJECT OF NUCLEAR PARTICLES CROSSING THROUGH SEMICONDUCTOR MATERIALS WITH DIFFERENT VELOCITIES DEPENDING ON THE TYPE AND ENERGY OF THE RADIOACTIVE SOURCE USING THE BRANCH PROGRAM (ZRATIO) WHICH WAS WRITTEN THE MAIN PROGRAM IN FORTRAN LANGUAGE (77).THE RANG FOR CADMIUM HAS BEEN CALCULATED BY SEMIEMPRICAL FORMULA. IT HAS BEEN FOUND THAT DOPING WITH ELEMENTS FROM THE SIX GROUP ( S,Se, eT )OF THE PERIODICAL TABLE HAS REMARKABLE EFFECT ON THE EFFECTIVE RANGE OF ALPHA AND BETA PARTICLES. IT IS SHOWN THAT THE INCREASE OF PERCENTAGE WEIGHT ( 0.005, 0.05, 0.5 ) WT% OF EACH DOPANT ELEMENT CAUSES AN INCREASE OF THE EFFECTIVE RANGE FOR BOTH ALPHA AND BETA PARTICLES IN CADMIUM. ALSO, IT IS FOUND THAT THE RANGE OF ALPHA AND BETA PARTICLES INCREASES WITH THE INCREASE OF THEIR ENERGY.