THERMOLUMINESCENCE AND DIELECTRIC RESPONSE OF LIKSO4GD TO GAMMA-RADIATION

被引：5
|
作者：
ELKOLALY, MA
KASSEM, ME
HIGAZY, AA
ISMAIL, LZ
ALHOUTY, LI
机构：
[1] Physics Department, Faculty of Science, Qatar University, Doha
来源：
RADIATION PHYSICS AND CHEMISTRY | 1994年 / 44卷 / 04期
关键词：
D O I：
10.1016/0969-806X(94)90085-X
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The effect of gamma-radiation dose up to about 324 kGy on the thermoluminescence and dielectric properties of LiKSO4: Gd was studied. All glow curves exhibited a single peak around 373 K. The activation energy of this peak was estimated to be about 0.82 eV. The variation of the TL intensity with gamma-dose is characterized by a maximum at 6.75 kGy. The dielectric dispersion was studied as a function of irradiation dose. In the low frequency range straight line behaviour was obtained for low dose (up to 12.3 kGy) while for higher gamma-dose, semicircles are obtained. The bulk conductivity was found to increase with dose up to 6.75 kGy.
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页码：441 / 446
页数：6
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