Title :
Charge transport in irradiated low-density polyethene
Author :
Banford, H.M. ; Frame, R.I. ; Siew, W.H. ; Tedford, D.J.
Author_Institution :
Scottish Universities´ Research and Reactor Centre, Glasgow, UK
fDate :
11/1/1987 12:00:00 AM
Abstract :
A study has been made of the remanent effects of nuclear radiation on charge transport in additive-free low-density polyethene (LDPE) at 323 K. It was found that irradiation increased the conductivity of LDPE, with pure gamma radiation having a greater effect for a given absorbed dose than the mixed radiation of a thermal nuclear reactor. This increase in conductivity may be ascribed to an increase in trap density based on a trap-hopping conduction model. The measured current density also appears to be a function of Fn/n + 1, where F is the applied field and n a positive number.
Keywords :
current density; electron traps; gamma-ray effects; hole traps; hopping conduction; polymers; radiation effects; 323 degK; LDPE; absorbed dose; additive-free low-density polyethene; applied field; charge transport; conductivity; current density; irradiated low-density polyethene; nuclear radiation; pure gamma radiation; remanent effects; thermal nuclear reactor; trap density; trap-hopping conduction model;
Journal_Title :
Physical Science, Measurement and Instrumentation, Management and Education - Reviews, IEE Proceedings A
DOI :
10.1049/ip-a-1.1987.0099
