Low-temperature anomalies and nanosized levels formation of self-organized structures in the non-crystalline solids of As(Ge)-S(Se) systems

Mykhaylo Mar'yan; Nataliya Yurkovych; Vladimir Seben

doi:10.15330/pcss.24.2.367-373

Authors

Mykhaylo Mar'yan Uzhhorod National University, Uzhhorod, Ukraine
Nataliya Yurkovych Uzhhorod National University, Uzhhorod, Ukraine
Vladimir Seben University of Presov, Presov, Slovakia

DOI:

https://doi.org/10.15330/pcss.24.2.367-373

Keywords:

low-temperature anomalies, nanosized effects, non-crystalline materials, self-organized structures, synergetics, soft atomic configurations, two-level states

Abstract

The relationship between low-temperature anomalies of physical and chemical properties and the formation of self-organized structures in non-crystalline solids of the As(Ge)-S(Se) systems is discussed. Obtained temperature dependences for the specific heat capacity and coefficient of linear expansion in the temperature domain , detailing the linear and nonlinear contributions. The influence of the obtaining conditions of non-crystalline solids on the low-temperature behavior of physico-chemical properties and the change in the ratios of various contributions and temperature intervals is considered. The correlation and common features of the formation of self-organized structures of non-crystalline materials in the region of low temperatures and softening temperatures, manifested in the presence of nanolevels of structuring, are analyzed.

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