Specific Features of Photoconductivity of Tl1-xIn1-xSnxSe2 Monocrystals at Low Temperatures
<p>The photoconductivity spectra in the temperature range T≈36-200 K and the spectra of thermostimulated currents in the temperature range T≈70-300 K of Tl<sub>1-x</sub>In<sub>1-x</sub>Sn<sub>x</sub>Se<sub>2</sub> single crystals obtained by dire...
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Vasyl Stefanyk Precarpathian National University
2019-04-01
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doaj-30c1bacdc8ff46d59e1aa7bc2d14be012020-11-25T02:06:22ZengVasyl Stefanyk Precarpathian National UniversityФізика і хімія твердого тіла1729-44282309-85892019-04-01201505510.15330/pcss.20.1.553049Specific Features of Photoconductivity of Tl1-xIn1-xSnxSe2 Monocrystals at Low TemperaturesOksana Zamurueva0G. L. Myronchuk1S. P. Danylchuk2O. V. Zamurueva3L. V. Piskach4I. V. Kityk5M. V. Piasecki6O. V. Tsisar7Східноєвропейський національний університет імені Лесі УкраїнкиСхідноєвропейський національний університет імені Лесі УкраїнкиСхідноєвропейський національний університет імені Лесі УкраїнкиСхідноєвропейський національний університет імені Лесі УкраїнкиСхідноєвропейський національний університет імені Лесі УкраїнкиCzestochowa University of Technology; Східноєвропейський національний університет імені Лесі УкраїнкиJ. Dlugosz University; Східноєвропейський національний університет імені Лесі УкраїнкиСхідноєвропейський національний університет імені Лесі Українки<p>The photoconductivity spectra in the temperature range T≈36-200 K and the spectra of thermostimulated currents in the temperature range T≈70-300 K of Tl<sub>1-x</sub>In<sub>1-x</sub>Sn<sub>x</sub>Se<sub>2</sub> single crystals obtained by directional crystallization of Bridgman-Stockbarger have been studied. The induced photoconductivity and long-term photoconductivity relaxation processes have been found. To interpret the found results, a model of two-center recombination has been suggested. It is illustrated that the role of the <em>r</em>-centers of slow recombination are formed by Tl vacancies. On the basis of the studies of the spectra of thermally stimulated currents, the thermal energy of electrons activation with <em>t</em>-levels of adhesion has been determined.</p> <p> </p>http://journals.pu.if.ua/index.php/pcss/article/view/3529монокристали, дефекти, фотопровідність, термостимульована провідність |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Oksana Zamurueva G. L. Myronchuk S. P. Danylchuk O. V. Zamurueva L. V. Piskach I. V. Kityk M. V. Piasecki O. V. Tsisar |
spellingShingle |
Oksana Zamurueva G. L. Myronchuk S. P. Danylchuk O. V. Zamurueva L. V. Piskach I. V. Kityk M. V. Piasecki O. V. Tsisar Specific Features of Photoconductivity of Tl1-xIn1-xSnxSe2 Monocrystals at Low Temperatures Фізика і хімія твердого тіла монокристали, дефекти, фотопровідність, термостимульована провідність |
author_facet |
Oksana Zamurueva G. L. Myronchuk S. P. Danylchuk O. V. Zamurueva L. V. Piskach I. V. Kityk M. V. Piasecki O. V. Tsisar |
author_sort |
Oksana Zamurueva |
title |
Specific Features of Photoconductivity of Tl1-xIn1-xSnxSe2 Monocrystals at Low Temperatures |
title_short |
Specific Features of Photoconductivity of Tl1-xIn1-xSnxSe2 Monocrystals at Low Temperatures |
title_full |
Specific Features of Photoconductivity of Tl1-xIn1-xSnxSe2 Monocrystals at Low Temperatures |
title_fullStr |
Specific Features of Photoconductivity of Tl1-xIn1-xSnxSe2 Monocrystals at Low Temperatures |
title_full_unstemmed |
Specific Features of Photoconductivity of Tl1-xIn1-xSnxSe2 Monocrystals at Low Temperatures |
title_sort |
specific features of photoconductivity of tl1-xin1-xsnxse2 monocrystals at low temperatures |
publisher |
Vasyl Stefanyk Precarpathian National University |
series |
Фізика і хімія твердого тіла |
issn |
1729-4428 2309-8589 |
publishDate |
2019-04-01 |
description |
<p>The photoconductivity spectra in the temperature range T≈36-200 K and the spectra of thermostimulated currents in the temperature range T≈70-300 K of Tl<sub>1-x</sub>In<sub>1-x</sub>Sn<sub>x</sub>Se<sub>2</sub> single crystals obtained by directional crystallization of Bridgman-Stockbarger have been studied. The induced photoconductivity and long-term photoconductivity relaxation processes have been found. To interpret the found results, a model of two-center recombination has been suggested. It is illustrated that the role of the <em>r</em>-centers of slow recombination are formed by Tl vacancies. On the basis of the studies of the spectra of thermally stimulated currents, the thermal energy of electrons activation with <em>t</em>-levels of adhesion has been determined.</p> <p> </p> |
topic |
монокристали, дефекти, фотопровідність, термостимульована провідність |
url |
http://journals.pu.if.ua/index.php/pcss/article/view/3529 |
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