cross linking of high density polyethylene (hdpe) was first performed via high energy10 mev electron beam (eb) irradiation. hdpe was also cross linked withdicumyle peroxide (dcp).the gel content of samples was determined by solvent extraction.degree of cross linking was evaluated by hot set apparatus; as well .in order to clarify the effectof nature of cross linking, correlation of electrical p...

polyvinylpyrrolidone  /  nickel  oxide  (pvp/nio)  dielectrics  were fabricated  with  sol-gel  method  using  0.2  g  of  pvp  at  different working  temperatures  of  80,  150  and  200  ºc.  structural  properties and surface morphology of the hybrid films were investigated by x-ray  diffraction  (xrd)  and  scanning  electron microscope  (sem) respectively. energy dispersive x-ray spectrosc...

SiO2 nanoparticles of average size 15-20 nm have been synthesized and its dielectric properties investigated as a function frequency (between 20 Hz to 2 MHz). A very high constant ca. 14000 at room temperature has observed which is compared the conventional bulk particles (ca. 50-100). For this new loss value found be less than 1. These with low can offered use in constructing efficient electro...