Non-steady-state tunnelling recombination in insulating solids, controlled by defect diffusion and rotation
作者:
U. Rogulis,
E. Kotomin,
期刊:
Radiation Effects and Defects in Solids
(Taylor Available online 1989)
卷期:
Volume 111-112,
issue 1-2
页码: 191-205
ISSN:1042-0150
年代: 1989
DOI:10.1080/10420158908212994
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
The experimental data for KCl—Ag, KBr, NaCl—Ag and KCl—SO4crystals as well as Na2O.3SiO2—Tb3+glass are summarized which demonstrate the delayed increase (decrease) of the intensity of the thermally stimulated tunnelling recombination of radiation defects after step-wise defrosting (frosting) of their mobility. Both theory and experiment presented here allow to distinguish the cases when the recombination kinetics is controlled by the rotation of an anisotropic defects or their diffusion respectively. It can be achieved studying the non-steady-state stages of kinetics. The effect of relative spatial defect distribution upon the kinetics under study is considered; it is argued that the {F,Vk} recombination in KBr occurs within spatially correlated pairs.
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