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Journals / Turkish Journal of Physics / 1998 / Cilt: 22 - Sayı: 4

Study of kinetic coeficients of $(GeTe)_{1-x}=(Ga_2Te_3)_x$ solid solutions

Mir Hasan AKPEROV
Turgay ATALAY
HALİT TAŞKIN
A. Mustafa ERER
Pages
325–331
DOI
—
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

Decreasing of Hall coefficient while increasing thermo e.m.f near phase transition point, in the cubic phase were explained with changing of Hall factor A.

📌 3 Key Takeaways

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Objective & Hypothesis:In this study, such kinetic cparametres as thermoelectro motor force (thermo e.m.f), electrical coductivity, heat conductivity, Hall and Nernst-Ettingshausen coeficients are investigated, as a function of chemical composition of $(GeTe)_{1-x}-(Ga_2Te_3)_x$ and temperature, by physicochemical methods and x-rays analysis.
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Key Findings & Data:The kinetic parameters ($(GeTe)_{1-x}=(Ga_2Te_3)_x$ solid solutions are investigated between x=0 and 0,015 and between 77 and 900 K.
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Conclusion & Impact:Decreasing of Hall coefficient while increasing thermo e.m.f near phase transition point, in the cubic phase were explained with changing of Hall factor A.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Özet

In this study, such kinetic cparametres as thermoelectro motor force (thermo e.m.f), electrical coductivity, heat conductivity, Hall and Nernst-Ettingshausen coeficients are investigated, as a function of chemical composition of $(GeTe)_{1-x}-(Ga_2Te_3)_x$ and temperature, by physicochemical methods and x-rays analysis. The kinetic parameters ($(GeTe)_{1-x}=(Ga_2Te_3)_x$ solid solutions are investigated between x=0 and 0,015 and between 77 and 900 K. Adding of $Ga_2Te_3$ to GeTe reduces the phase transition temperature of $\beta$-GeTe to $\alpha$-GeTe. It is observed that in the region of solid solution the rhombohedral modification of GeTe are protected. Doping of GeTe with $Ga_2Te_3$ does not affect the kinetic parameters of GeTe. Anomalies in the rhombohedral phase of solid solutions are related with splitting of cubic phase extremums due to deformation of the rhombohedral lattice. Decreasing of Hall coefficient while increasing thermo e.m.f near phase transition point, in the cubic phase were explained with changing of Hall factor A.

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Cite This Article

AKPEROV, M. H., ATALAY, T., TAŞKIN, H., ERER, A. M. (1998). Study of kinetic coeficients of $(GeTe)_{1-x}=(Ga_2Te_3)_x$ solid solutions. Turkish Journal of Physics, Cilt: 22 - Sayı: 4, 325–331. https://ajindex.com/articles/378935

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References (1)

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