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Funct. Mater. 2018; 25 (2): 319-328.


Thermodynamic and adhesive parameters of nanolayers in the system metal-dielectric

V. M. Yuzevych1, B. P. Koman2, R. M. Dzhala1

1 G. Karpenko Physicomechanical Institute National Academy of Sciences of Ukraine, 5, Naukova Str., 79060 Lviv, Ukraine
2 I.Franko Lviv National University, faculty of electronics and computer echnologies, Dragomanova Str., 50, 79005 Lviv, Ukraine,


Evaluation technique of thermodynamic and adhesive parameters of interphase nanolayers in metal - insulator was developed by use of macroscopic methods of surface physics and thermodynamics methods of nonequilibrium processes. Typical parameters of interfacial interactions (interfacial energy, tension, density of electric charges, specific electrocapacity, electrical components of interfacial energy) for metals (Ag, Au, Cu, Fe) at Al2O3 interphase were calculated. It was found that increment of dielectric layer (Al2O3) surface tension which is accompanied with increasing of interfacial tensions and energies, electric component of the surface energy, specific surface charge of double electric layer and contact potential difference. The developed echnique can be used for evaluation of interfacial energy parameters of interaction between another physical nature composited pairs with aking into account the nature of the double electrical layer.

dielectric, metal, double electric layer, energy of adhesive bonds, surface energy, hardness, electric capacity.

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