Explanation of the cluster structures melting mechanism and their influence on the molten state’s physical and chemical nature

G.S. Shaikhova

doi:10.31643/2021/6445.08

Authors

G.S. Shaikhova Karaganda Technical University

DOI:

https://doi.org/10.31643/2021/6445.08

Keywords:

Pair potentials, radial distribution of atoms, semiconductor, structural factor atoms, molecular dynamics, density function, сluster structure.

Abstract

There are results of the melts of semimetals and semiconductors of various structural groups research in the article. On the example of simplified regular Bethe lattice one can model destruction and aggregation of structures in clusters and on it’s basis to substantiate the metal melts properties in the form of nanolayers. The variety of compressibility polytherms forms in electronic melts requires typing, since their analysis makes it possible to explain the mechanism of the aggregation and dissolution processes of extended objects in melts. The article contains formulas that allow explaining the mechanism of the dissolution of cluster structures and their influence on the physicochemical nature of the molten state. There is considered the process of cluster fragmentation. Larger fragments of clusters are formed in the process of crushing, and this fact leads to the compressibility that decreases more rapidly, only after passing through the extremum it begins to increase due to the thermal loosening. The study of the function's compressibility for an extremum in the compressibility's temperature dependence also indicates the changing process of the clusters decomposition mechanisms in melts with an increase in temperature and vice versa to aggregation with a decrease in the melt temperature to the melting temperature.

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Author Biography

G.S. Shaikhova, Karaganda Technical University

Candidate of Technical sciences, acting associate professor,Karaganda Technical University, Karaganda, Kazakhstan.

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