Open AccessANISOTROPY OF THE SURFACE OF CUBIC BODY-CENTERED CRYSTAL LATTICES
Author(s) -
V.М. Yurov
Publication year - 2021
Publication title -
eurasian physical technical journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.194
H-Index - 2
eISSN - 2413-2179
pISSN - 1811-1165
DOI - 10.31489/2021no1/9-15
Subject(s) - anisotropy , work function , surface energy , materials science , condensed matter physics , crystal (programming language) , surface layer , work (physics) , metal , electron , cubic crystal system , surface (topology) , thermodynamics , layer (electronics) , nanotechnology , geometry , optics , physics , metallurgy , composite material , mathematics , quantum mechanics , computer science , programming language
In the work of Shebzukhova and Arefieva, by the method of electronic-statistical calculation of the anisotropy of the surface energy of metals, a method for estimating the work function of electrons from a metal was determined. The surface energy and electron work function of four main faces of cadmium and zinc crystals and five faces of mercury are estimated. In the work of Bokarev, the anisotropy of the surface energy of single crystals was calculated from the model of coordination melting of crystals. Based on experimental studies and theoretical calculations, it is shown that the model of coordination melting of crystals unambiguously links the physicochemical properties of the surface of single crystals with their crystal structure. In our proposed empirical model, not only the anisotropy is calculated, but also the thickness of the surface layer of the metal. It is shown that the thickness of the surface layer is determined by one fundamental parameter - the molar (atomic) volume, which periodically changes in accordance with the table of D.I. Mendeleev. It is shown in the work that the work function of electrons changes proportionally with a change in the surface energy of the metal. This means that the device we have developed can be used to measure the state of the metal surface and its anisotropy.