Archive: 2018 - Moldavian Journal of the Physical Sciences

27 Dec 2018

2018
V. 17
3-4
(p.148 - 153)

Determination of charge carrier system parameters in Pb1–xSnxTe by joint analysis of temperature dependences of four kinetic coefficients

CZU: 537.6

Authors:

Meglei, Dragoş; Alexeeva, Svetlana

Summary:

The temperature dependences of electrical conductivity (σ), Hall coefficient (R), thermopower (α), and Nernst–Ettingshausen coefficient (Q) for five Pb0.82Sn0.18Te samples with different charge carrier concentrations in a temperature range of 100–300 K have been studied. According to the obtained experimental data, the temperature dependences of the mobility and the effective scattering parameter have been calculated. The main features of the experimental data can be interpreted in terms of a two-band model of the valence band structure with several groups of holes involved in the transport phenomena. It has been found that the behavior of the temperature dependence of the effective scattering parameter significantly depends on the charge carrier concentration. The determined quantitative values of the effective scattering parameter are consistent with the concepts of a mixed scattering mechanism.

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BibTeX

@article{ibn_71373,
author = {Meglei, D.F. and Alexeeva, S.A.},
title = {<p>Determination of charge carrier system parameters in Pb1&ndash;<em>x</em>Sn<em>x</em>Te by joint analysis of temperature dependences of four kinetic coefficients</p>},
journal = {Moldavian Journal of the Physical Sciences},
year = {2018},
volume = {17 (3-4)},
pages = {148-153},
month = {Dec},
abstract = {(EN) <p>The temperature dependences of electrical conductivity (&sigma;), Hall coefficient (R), thermopower (&alpha;), and Nernst&ndash;Ettingshausen coefficient (Q) for five Pb0.82Sn0.18Te samples with different charge carrier concentrations in a temperature range of 100&ndash;300 K have been studied. According to the obtained experimental data, the temperature dependences of the mobility and the effective scattering parameter have been calculated. The main features of the experimental data can be interpreted in terms of a two-band model of the valence band structure with several groups of holes involved in the transport phenomena. It has been found that the behavior of the temperature dependence of the effective scattering parameter significantly depends on the charge carrier concentration. The determined quantitative values of the effective scattering parameter are consistent with the concepts of a mixed scattering mechanism.</p>},
url = {https://ibn.idsi.md/vizualizare_articol/71373},
}

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Dublin Core

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<dc:creator>Meglei, D.F.</dc:creator>
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<dc:date>2018-12-27</dc:date>
<dc:description xml:lang='en'><p>The temperature dependences of electrical conductivity (&sigma;), Hall coefficient (R), thermopower (&alpha;), and Nernst&ndash;Ettingshausen coefficient (Q) for five Pb0.82Sn0.18Te samples with different charge carrier concentrations in a temperature range of 100&ndash;300 K have been studied. According to the obtained experimental data, the temperature dependences of the mobility and the effective scattering parameter have been calculated. The main features of the experimental data can be interpreted in terms of a two-band model of the valence band structure with several groups of holes involved in the transport phenomena. It has been found that the behavior of the temperature dependence of the effective scattering parameter significantly depends on the charge carrier concentration. The determined quantitative values of the effective scattering parameter are consistent with the concepts of a mixed scattering mechanism.</p></dc:description>
<dc:source>Moldavian Journal of the Physical Sciences 17 (3-4) 148-153</dc:source>
<dc:title><p>Determination of charge carrier system parameters in Pb1&ndash;<em>x</em>Sn<em>x</em>Te by joint analysis of temperature dependences of four kinetic coefficients</p></dc:title>
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“ ... ”

SM ISO690:2012

MEGLEI, Dragoş; ALEKSEEVA, Svetlana. Determination of charge carrier system parameters in Pb1–xSnxTe by joint analysis of temperature dependences of four kinetic coefficients. In: Moldavian Journal of the Physical Sciences. 2018, nr. 3-4(17), pp. 148-153. ISSN 1810-648X.