Jpn. J. Appl. Phys. 16 (1977) pp. 1339-1342 |Next Article| |Table of Contents|
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Thermoluminescence in High Density Polyethylene and Its Oxidation Effects
Department of Electrical Engineering, Faculty of Engineering, Nagoya University
(Received March 7, 1977)
Thermoluminescence (TL) in high density polyethylene and its oxidation effects were investigated. Four TL peaks due to trapped carriers were observed. Oxidation reduced the three TL peaks in the low temperature region and enhanced the other one around 300K. Traps responsible for the former three peaks were concluded to lie in the amorphous parts and lamellar surfaces. Those responsible for the latter were assigned to the oxidation products in the crystalline parts or the crystalline-amorphous boundaries. Oxidation also changed the nature of luminescence centers as well as trap centers. The quenching of TL peaks by oxidation was attributed to these changes.
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