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Shkurdoda Y.O.,Sumy State University | Chornous A.M.,Sumy State University | Loboda V.B.,Sumy State University | Shabelnyk Y.M.,Sumy State University | And 2 more authors.
Journal of Nano- and Electronic Physics | Year: 2016

Structural and phase composition and magnetoresistive properties of three-layer film systems based on permalloy and copper were investigated. The samples were obtained by layer by layer condensation method with followed heat treatment to the 300-700 K temperature range. Shown that the spin-dependent scattering of electrons realizing in the range of layer thicknesses (dCu = 6-15 nm and dPy = 25-40 nm) of the condensed and annealed at 400 K samples. The Maximum GMR observed after annealing the samples at 400 K and annealing to 550 K leads to anisotropic magnetoresistance occurrence. © 2016 Sumy State University. Source


Chub I.A.,University of Kharkiv | Novozhylov M.V.,University of Kharkiv | Novozhylov M.V.,Kharkiv National University of Construction and Architecture | Murin M.N.,University of Kharkiv
Cybernetics and Systems Analysis | Year: 2013

The authors consider the mathematical model and solution method for the optimization problem of the allocation of limited resources of a project as a problem of the arrangement of rectangular objects, where objects being placed have variable metric characteristics that are subject to functional dependences. The partial quality criteria and the constraints of the feasible domain of the problem are formalized. © 2013 Springer Science+Business Media New York. Source


Samorodov A.V.,Kharkiv National University of Construction and Architecture | Tabachnikov S.V.,Kharkiv National University of Economics
Soil Mechanics and Foundation Engineering | Year: 2016

A method is proposed for determining the load-bearing capability of drilled piles depending on the effects of upward or downward loading. The validity of the method is confirmed by analysis. © 2016 Springer Science+Business Media New York Source


Kharkiv National University of Construction and Architecture | Entity website

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Korytchenko K.V.,Kharkiv Polytechnic Institute | Poklonskiy E.V.,Kharkiv National University of Construction and Architecture | Vinnikov D.V.,National Science Center Kharkov Institute of Physics and Technology | Kudin D.V.,National Science Center Kharkov Institute of Physics and Technology
Problems of Atomic Science and Technology | Year: 2013

A numerical model of gas-dynamic stage of spark discharge in oxygen that takes into consideration transient processes in an electric circuit and a change in the composition of gas-discharge atmosphere has been presented. The components of e, O, O+, O++ were considered for the conductive channel of a spark. The plasma ionization was neglected in the region beyond the conductive channel and the consideration was given to the components of O2, O. The results of the distribution of thermodynamic parameters, spark channel resistance, radiation losses, and those of expenditure of discharge energy for dissociation and ionization have been given. Source

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