Kinetics of lattice defects induced in lithium fluoride crystals during irradiation with swift ions at room temperature

被引：8
作者：
Sorokin, M. V. [1 ]
Schwartz, K. [2 ]
Dubinko, V. I. [3 ]
Khodan, A. N. [4 ]
Dauletbekova, A. K. [5 ]
Zdorovets, M. V. [5 ,6 ,7 ]
机构：
[1] Kurchatov Inst, Natl Res Ctr, Kurchatov Sq 1, Moscow 123182, Russia
[2] GSI Helmholtszentrum Schwerionenforschung, Planckstr 1, D-64291 Darmstadt, Germany
[3] Kharkov Inst Phys & Technol, Natl Sci Ctr, Akad Skaya St 1, UA-61108 Kharkov, Ukraine
[4] RAS, AN Frumkin Inst Phys Chem & Electrochem, Leninsky Prospect 31, Moscow 119071, Russia
[5] LN Gumilyov Eurasian Natl Univ, 2 Satpayev Str, Astana 010008, Kazakhstan
[6] Inst Nucl Phys, 1 Ibragimova Str, Alma Ata 050032, Kazakhstan
[7] Ural Fed Univ, 19 Mira Str, Ekaterinburg 620002, Russia
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2020年 / 466卷
关键词：
Ion irradiation; Color centers; Point defect kinetics; LIF CRYSTALS; COLOR-CENTERS; AGGREGATE CENTERS; CENTER CREATION; ALKALI-HALIDES; ACCUMULATION; NUCLEATION; RECOMBINATION; RADIOLYSIS; TRACKS;
D O I：
10.1016/j.nimb.2020.01.007
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
Rate equations are employed to the kinetic description of lattice defects, created in lithium fluoride by ion irradiation. The F centers are assumed to be created in a mobile state (anion vacancies or excited F* centers), having a certain relaxation time to become stable at room temperature. Concentrations of the P centers and their aggregates are analyzed depending on the irradiation conditions and model parameters. Comparison of the swift ion and electron/gamma irradiations using the suggested model captures the prominent experimental results of a higher complex defect fraction, which created under irradiation with the heavier projectiles.
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收藏
页码：17 / 19
页数：3
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