A pulsed optical characterization of optical crystals with mobile cations

A pulsed optical characterization of optical crystals with mobile cations

Bibliographic Details
Parent link:Известия вузов. Физика: научный журнал/ Национальный исследовательский Томский государственный университет (ТГУ).— , 1957-
Т. 55, № 11, ч. 3.— 2012.— [С. 141-146]
Main Author: Ogorodnikov I. N. Igor Nikolaevich
Corporate Author: Национальный исследовательский Томский политехнический университет (ТПУ) Институт физики высоких технологий (ИФВТ) Кафедра сильноточной электроники (СЭ)
Other Authors: Kiseleva M. S. Mariya Sergeevna, Yakovlev V. Yu. Viktor Yurjevich
Summary:Заглавие с экрана
The decay kinetics of transient optical absorption of wide bandgap crystals of lithium borates Li 2B 4O7, LiB 3O 5, and Li 6Gd(BO 3) 3 and potassium (KH 2PO 4) and ammonium (NH 4H 2PO 4) dihydrogen phosphates in the visible and ultraviolet spectral regions are analyzed using the theory of diffusion-controlled tunneling recombination. A nanosecond pulsed radiation action on these crystals is shown to form defect pairs, such as polaron-type hole centers and electron centers based on interstitial cations. The relaxation kinetics of these centers over a wide time range of 10 ns-10 s is described by the proposed model of tunneling electron transfer between antimorphous defects in the cation sublattice under the thermally stimulated mobility of recombination partners. The numerical values of the kinetic parameters are determined and the time dependences of the reaction rate constants are calculated for all the crystals under study.
Режим доступа: по договору с организацией-держателем ресурса
Language:English
Published: 2012
Subjects:
электронный ресурс
труды учёных ТПУ
Online Access:http://elibrary.ru/item.asp?id=19015573
Format: Electronic Book Chapter
KOHA link:https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=652767

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