Transport Phenomena In Single Crystals Tl1−XIn1−XGeXSe2 (x=0.1, 0.2)

• Autorzy: Zamurueva O. V. , Myronchuk G. I. , Oźga K. , Szota M. , El-Naggar A. M. , Albassam A. A. , Parasyuk O. V. , Piskach L. V. , Kityk I. V.

Identyfikatory

DOI

10.1515/amm-2015-0343

Warianty tytułu

PL

Zjawiska transportu w monokryształach Tl_1-XIn_1-XGe_XSe₂ (x=0.1, 0.2)

• Języki publikacji: EN

Abstrakty

EN

Temperature dependences of electroconductivity for single crystals Tl_1−xIn_1−xGe_xSe₂ were analyzed. It was established an occurrence of thermoactivated states within the temperature range 100-300 K. The conductivity is formed by delocalized carriers within the conductivity band and the jumping conductivity over the localized states which are situated in the narrow localized states near the Fermi level. Following the performed data the activation energy was evaluated with accuracy up to 0.02 eV. The density of the localized states as well as the distribution of the energy over the mentioned states was evaluated. Additionally the average distance between the localized states is evaluated at different temperatures.

PL

Analizowano zależności temperaturowe przewodności elektrycznej dla monokryształów Tl_1−xIn_1−xGe_xSe₂. Ustalono pojawienie się stanów termo-aktywnych w zakresie temperatur 100-300 K. Przewodnictwo tworzone jest przez zdelokalizowane nośniki w paśmie przewodnictwa i skoki przewodnictwa po stanach zlokalizowanych, znajdujących się w wąskich zlokalizowanych stanach w pobliżu poziomu energii Fermiego. Wartość energii aktywacji oszacowano z dokładnością do 0,02 eV. Wyznaczono wartości gęstości stanów zlokalizowanych, jak i rozkład energii na wymienionych stanach. Dodatkowo w różnych temperaturach oszacowano średnią odległość pomiędzy stanami zlokalizowanymi.

Słowa kluczowe

EN

Tl1−xIn1−xGexSe2 single crystal; chalcogenide crystals; transport features; photoinduced birefringence; electroconductivity mechanisms; Urbach rule

PL

monokryształy TL1-xIn1-xGax Se2; zdelokalizowane nośniki; stany zlokalizowane; funkcje komunikacyjne w monokryształach; fotoindukowanie; przewodzenie elektryczne; zasada Urbacha

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2015
• Tom: Vol. 60, iss. 3A
• Strony: 2025--2028
• Opis fizyczny: Bibliogr. 21 poz., rys., tab., wykr.

Twórcy

autor

Zamurueva O. V.

• Eastern European National University, Department of Solid State Physics, 13 Voli Ave., 43025 Lutsk, Ukraine

autor

Myronchuk G. I.

• Eastern European National University, Department of Solid State Physics, 13 Voli Ave., 43025 Lutsk, Ukraine

autor

Oźga K.

• Czestochowa University of Technology, Institute of Electronic and Control System, 17 Armii Krajowej Av., 42-200 Czestochowa, Poland

autor

Szota M.

• Czestochowa University of Technology, Institute of Material Science Engineering, 19 Armii Krajowej Av., 42-200 Czestochowa, Poland

autor

El-Naggar A. M.

• Research Chair of Exploitation of Renewable Energy Applications in Saudi Arabia, Physics & Astronomy Dept., College Of Science, King Saud University, P.0.Box 2455, Riyadh 11451, Saudi Arabia
• Ain Shams University, Physics Department, Faculty of Science, Abassia, Cairo 11566, Egypt

autor

Albassam A. A.

• Research Chair of Exploitation of Renewable Energy Applications in Saudi Arabia, Physics & Astronomy Dept., College Of Science, King Saud University, P.0.Box 2455, Riyadh 11451, Saudi Arabia

autor

Parasyuk O. V.

• Eastern European National University, Department of Inorganic and Organic Chemistry, , 13 Voli Ave., 43025 Lutsk, Ukraine

autor

Piskach L. V.

• Eastern European National University, Department of Inorganic and Organic Chemistry, , 13 Voli Ave., 43025 Lutsk, Ukraine

autor

Kityk I. V.

• Czestochowa University of Technology, Institute of Electronic and Control System, 17 Armii Krajowej Av., 42-200 Czestochowa, Poland

Bibliografia

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Uwagi

EN

The project was financially supported by King Saud University, Vice Deanship of research chairs, research chair of Exploitation of Renewable Energy Applications in Saudi Arabia.