@article{Даулетбекова_Скуратов_Маника_Маникс_Забельс_Кирилкин_Акилбеков_Гиниятова_Байжуманов_Сейтбаев_Кудайбергенова_2022, title={Dislocation mechanism of fading of luminescence intensity}, volume={122}, url={https://bulphysast.enu.kz/index.php/physast/article/view/101}, DOI={10.32523/2616-6836-2018-122-1-91-100}, abstractNote={<p>Depth profiles of nanohardness and photoluminescence of F2 and F+3 centers in LiF crystals irradiated with 12 MeV 12 С, 56 MeV 40 and 34 MeV 84 Kr ions at fluences 1010 −1015 ions/cm 2 have been studied using laser scanning confocal<br />microscopy, dislocation etching and nanoindentation techniques. The depth-resolved nanohardness measurements and dislocation etching data have shown a remarkable hardening effect and increased concentration of dislocations and other nanodefects in the end-of-range region with dominant contribution of defects formed via elastic collision (nuclear loss) mechanism. The observed<br />fading of luminescence intensity at high fluences is related to intense nucleation of dislocations as sinks for aggregate color centers. An activating role of local stress field of dislocations and other extended defects in the evolution of damage structures is suggested.</p>}, number={1}, journal={BULLETIN OF THE L.N. GUMILYOV EURASIAN NATIONAL UNIVERSITY PHYSICS. ASTRONOMY SERIES}, author={Даулетбекова, А. and Скуратов, В. and Маника, И. and Маникс, Я. and Забельс, Р. and Кирилкин, Н. and Акилбеков, А. and Гиниятова, Ш. and Байжуманов, М. and Сейтбаев, А. and Кудайбергенова, С.}, year={2022}, month={Jul.}, pages={91–100} }