Charge trapping in gamma irradiated low-density polyethylene

Effects of charge trapping on the electrical conductivity of low‐density Polyethylene–Carbon black composites

“…14 about structural inhomogeneity in HDPE-CB composites and our previous results of the effects of charge trapping in crystalline LDPE, 12,13 the presence of two peaks on the graphs in Figure 3 can be attributed to different dispersions of CB particles in structural inhomogeneities and micro defects of LDPE. A more significant frequency dependence at the higher percolation peak than at the low one can be related to different surroundings of CB fillers.…”

“…10,11 On the other hand, in some of our previous studies, we investigated the effects of charge trapping and their release in crystalline LDPE. 12,13 Among other mechanisms of electrical transport (hopping, tunneling, and percolation), their release can have some influences on the DC and AC conductivities of CB-LDPE composites. Because of that, in this work, we have studied the effects of morphology on the DC and particularly on the complex AC conductivity of CB-LDPE composites, using DC conductivity measurements as a function of composition at room temperature and measurements of complex AC conductivity as a function of frequency, composition, and temperature.…”

TSDC spectroscopy of relaxational and interfacial phenomena

“…Kostoski et al [313] and Suljovrujic et al [314] studied charge trapping and dielectric relaxations of gamma irradiated radiolytically oxidized highly oriented low-density polyethylene (LDPE). The effects of gamma and X-ray irradiation of PVC [315], LDPE [316], CoCl 2 -doped poly (vinyl alcohol) films [317] and other systems [318,319] were studied by TSDC and other methods.…”

Polyethylene crosslinked in different media: structural changes versus dielectric behaviour

“…Fleming has considered the formation of the ''cavity'' traps in the amorphous regions of the polymer [20][21][22]. Also, in our previous works, we studied the effects of charge trapping in LDPE, induced by gamma irradiation [30][31][32]. The presence of carriers in the traps and their release has been detected by thermally stimulated discharge current (TSDC) measurements.…”