Search Results - "Kachmar, A."

Cobalt-iron spinel/reduced graphene oxide composite material for supercapacitor applications by Hodlevska, M. A., Zapukhlyak, R. I., Boychuk, V. M., Kotsyubynsky, V. O., Kachmar, A. I., Fedorchenko, S. V.

“…Cobalt-iron spinel/reduced graphene oxide composite material was obtained by one-step hydrothermal synthesis. XRD, low temperature nitrogen adsorption,…”
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Electrophysical and Morphological Properties of a Hydrothermally Synthesized CuFe2O4 and CuFe2O4 / Reduced Graphene Oxide Composite by Kotsyubynsky, V.O., Boychuk, V.M., Zapukhlyak, R.I., Hodlevskyi, M.A., Budzulyak, I.M., Kachmar, A.I., Hodlevska, M.A., Turovska, L.V.

“…The aim of this paper is to compare the structural, morphological and electrical properties of the CuFe2O4 and CuFe2O4 / reduced graphene oxide composite. XRD…”
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Structure and morphology of MoS2 / Carbon nanocomposite materials by Boychuk, V.M., Shyyko, L.O., Kotsyubynsky, V.O., Kachmar, A.

“…The paper presents the experimental results of the hydrothermal synthesis composite materials based on the MoS2 and carbon using different types of detergents…”
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Structure, topology, rings, and vibrational and electronic properties of GexSe1-x glasses across the rigidity transition: A numerical study by Micoulaut, M., Kachmar, A., Bauchy, M., Le Roux, S., Massobrio, C., Boero, M.

“…The structural, electronic, and vibrational properties of glassy GexSe1-x are studied using density-functional-based molecular dynamics. The focus is on four…”
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MoO2/mesoporous carbon and MoO2/reduced graphene oxide composite electrodes for supercapacitor applications by Boichuk, V., Kachmar, A., Kotsyubynsky, V., Bandura, Kh, Fedorchenko, S.

“…The electrochemical properties of MoO2/mesoporous carbon and MoO2/reduced graphene oxide (rGO) materials have been investigated. Composite materials have been…”
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The Effect of the pH on the Nucleation of Iron-Containing Phases: Analysis Based on Partial Charge Theory and Mossbauer Studies

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The ground state energy of the three dimensional Ginzburg–Landau functional. Part II: Surface regime by Fournais, S., Kachmar, A., Persson, M.

“…We study the Ginzburg–Landau model of superconductivity in three dimensions and for strong external magnetic fields. For magnetic field strengths above the…”
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Quantum tunneling in deep potential wells and strong magnetic field revisited by Helffer, B, Kachmar, A

“…Inspired by a recent paper$^*$ by C. Fefferman, J. Shapiro and M. Weinstein, we investigate quantum tunneling for a Hamiltonian with a symmetric double well…”
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Changes of motor function in patients with cerebral palsy during the treatment using the intensive neurophysiological rehabilitation system by Koziavkin, V I, Voloshin, T B, Gordievich, M S, Kachmar, O A

“…Changes in gross motor function during the intensive neurophysiological rehabilitation were studied in 61 patients, aged from 2 to 15 years, with spastic forms…”
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Promising Cathode Material for Supercapacitors LaFe0.5Cr0.5O3 Perovskite Nanoparticles by Mokhnatskyi, M.L., Yaremiy, I.P., Kolkovskyi, P.I., Mokhnatska, L.V., Yaremiy, S.I., Kachmar, A.I., Cherkach, Kh.P.

“…In this work, the Perovskite powders LaFe0.5Cr0.5O3 with a space group of P m - 3 m was obtained by the sol-gel method. The nanoscale powders of LaFe0.5Cr0.5O3…”
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Semi-classical edge states for the Robin Laplacian by Helffer, B, Kachmar, A

“…Motivated by the study of high energy Steklov eigenfunctions, we examine the semi-classical Robin Laplacian. In the two dimensional situation, we determine an…”
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Formation and Properties of MoS2/C Composite for Lithium Current Sources

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Ultrafine beta-FeOOH and Fe3O4 obtained by precipitation method: comparative study of electrical and electrochemical properties by Mokhnatska, L.V., Kotsyubynsky, V.O., Boichuk, V.M., Mokhnatskyi, M.L., Bandura, Kh.V., Kachmar, A.I., Hodlevska, M.A., Bachuk, V.V.

“…In this work, ultrafine powders of b-FeOOH and Fe3O4 have been obtained by the precipitation method. The values of the specific surface area for materials…”
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Effect of Thermochemical Modification of Activated Carbon Materials on Specific Capacity of Electrochemical Capacitors

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Promising Cathode Material for Lithium Power Sources LaFe0.5Cr0.5O3 by Yaremiy, I. P., Mokhnatskyi, M. L., Mokhnatska, L. V., Yaremiy, S. I., Kachmar, A. I.

“…Nanoscale powders of LaFe0.5Cr0.5O3 with perovskite structure were synthesized by the sol-gel combustion method in this work. From X-rays phase analysis…”
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Diamagnetism versus Robin condition and concentration of ground states by Kachmar, A

“…We estimate the ground state energy for the magnetic Laplacian with a Robin condition. In a special asymptotic limit, we find that the magnetic field does not…”
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Structure, topology, rings, and vibrational and electronic properties of Ge x Se 1 − x glasses across the rigidity transition: A numerical study by Micoulaut, M., Kachmar, A., Bauchy, M., Le Roux, S., Massobrio, C., Boero, M.

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Structure, topology, rings, and vibrational and electronic properties of Ge sub(x) Se sub(1-x) glasses across the rigidity transition: A numerical study by Micoulaut, M, Kachmar, A, Bauchy, M, Le Roux, S, Massobrio, C, Boero, M

“…The structural, electronic, and vibrational properties of glassy Ge sub(x) Se sub(1-x) are studied using density-functional-based molecular dynamics. The focus…”
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Weyl formulae for the Robin Laplacian in the semiclassical limit by Kachmar, A, Keraval, P, Raymond, N

“…This paper is devoted to establish semiclassical Weyl formulae for the Robin Laplacian on smooth domains in any dimension. Theirs proofs are reminiscent of the…”
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The ground state energy of the three dimensional Ginzburg-Landau functional. Part I: Bulk regime by Fournais, S, Kachmar, A

“…We consider the Ginzburg-Landau functional defined over a bounded and smooth three dimensional domain. Supposing that the magnetic field is comparable with the…”
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