Electrical and deilectric properties of CdWO₄ crystals

Electrophysical investigations of CdWO₄ crystals have been carried out by thermostimulated polarization and thermoelectret state depolarization in interrelation with temperature dependences 290-550 K of DC conductivity and permittivity at 1 kHz frequency. The depolarization currents are correlated w...

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Datum:2006
Hauptverfasser: Shevchuk, V.N., Kayun, I.V.
Format: Artikel
Sprache:English
Veröffentlicht: НТК «Інститут монокристалів» НАН України 2006
Schriftenreihe:Functional Materials
Online Zugang:http://dspace.nbuv.gov.ua/handle/123456789/135071
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Назва журналу:Digital Library of Periodicals of National Academy of Sciences of Ukraine
Zitieren:Electrical and deilectric properties of CdWO₄ crystals / V.N. Shevchuk, I.V. Kayun // Functional Materials. — 2006. — Т. 13, № 4. — С. 584-590. — Бібліогр.: 21 назв. — англ.

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spelling irk-123456789-1350712018-06-15T03:07:01Z Electrical and deilectric properties of CdWO₄ crystals Shevchuk, V.N. Kayun, I.V. Electrophysical investigations of CdWO₄ crystals have been carried out by thermostimulated polarization and thermoelectret state depolarization in interrelation with temperature dependences 290-550 K of DC conductivity and permittivity at 1 kHz frequency. The depolarization currents are correlated with activation of the dipole defect complex reorientation processes (current peaks at 308, 319, 338 and 365 K) and with development of spatially heterogeneous of the volumetric charge which as a result of localization of the current carriers on capture levels (the wide non-elementary intense maximum at 400-550 K). The basic parameters of the main relaxators and conductivity have been estimated. The explanation of the electrical properties and polarization effects are based on the assumed predominance of intrinsic structural defects that may be probably the cadmium and oxygen vacancies and also defect complex based on these vacancies. The experimental data on conductivity do not contradict to small-polaron theory. 2006 Article Electrical and deilectric properties of CdWO₄ crystals / V.N. Shevchuk, I.V. Kayun // Functional Materials. — 2006. — Т. 13, № 4. — С. 584-590. — Бібліогр.: 21 назв. — англ. 1027-5495 http://dspace.nbuv.gov.ua/handle/123456789/135071 en Functional Materials НТК «Інститут монокристалів» НАН України
institution Digital Library of Periodicals of National Academy of Sciences of Ukraine
collection DSpace DC
language English
description Electrophysical investigations of CdWO₄ crystals have been carried out by thermostimulated polarization and thermoelectret state depolarization in interrelation with temperature dependences 290-550 K of DC conductivity and permittivity at 1 kHz frequency. The depolarization currents are correlated with activation of the dipole defect complex reorientation processes (current peaks at 308, 319, 338 and 365 K) and with development of spatially heterogeneous of the volumetric charge which as a result of localization of the current carriers on capture levels (the wide non-elementary intense maximum at 400-550 K). The basic parameters of the main relaxators and conductivity have been estimated. The explanation of the electrical properties and polarization effects are based on the assumed predominance of intrinsic structural defects that may be probably the cadmium and oxygen vacancies and also defect complex based on these vacancies. The experimental data on conductivity do not contradict to small-polaron theory.
format Article
author Shevchuk, V.N.
Kayun, I.V.
spellingShingle Shevchuk, V.N.
Kayun, I.V.
Electrical and deilectric properties of CdWO₄ crystals
Functional Materials
author_facet Shevchuk, V.N.
Kayun, I.V.
author_sort Shevchuk, V.N.
title Electrical and deilectric properties of CdWO₄ crystals
title_short Electrical and deilectric properties of CdWO₄ crystals
title_full Electrical and deilectric properties of CdWO₄ crystals
title_fullStr Electrical and deilectric properties of CdWO₄ crystals
title_full_unstemmed Electrical and deilectric properties of CdWO₄ crystals
title_sort electrical and deilectric properties of cdwo₄ crystals
publisher НТК «Інститут монокристалів» НАН України
publishDate 2006
url http://dspace.nbuv.gov.ua/handle/123456789/135071
citation_txt Electrical and deilectric properties of CdWO₄ crystals / V.N. Shevchuk, I.V. Kayun // Functional Materials. — 2006. — Т. 13, № 4. — С. 584-590. — Бібліогр.: 21 назв. — англ.
series Functional Materials
work_keys_str_mv AT shevchukvn electricalanddeilectricpropertiesofcdwo4crystals
AT kayuniv electricalanddeilectricpropertiesofcdwo4crystals
first_indexed 2025-07-09T22:38:44Z
last_indexed 2025-07-09T22:38:44Z
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