Search Results - "Komashko, V. A."

Thermally activated depinning of individual vortices in YBa2Cu3O7 superconducting films by PAN, A. V, ZHAO, Y, IONESCU, M, DOU, S. X, KOMASHKO, V. A, FLIS, V. S, PAN, V. M

“…A number of YBa2Cu3O7 thin superconducting films have been grown on different single crystal substrates under different conditions using pulsed-laser…”
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Observation of resistance switching between insulating and metallic states in nano-crystalline La0.65Ca0.35MnO3 film by PROKHOROV, V. G, KAMINSKY, G. G, KOMASHKO, V. A, LEE, Y. P, KRAVCHENKO, I. I

“…The magnetic and transport properties of a 20-nm-scale twinned La0.65Ca0.35MnO3 film have been investigated in a temperature range of 77-300 K. The coexistence…”
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Two-peak temperature dependence of microwave surface impedance of single-crystalline YBCO thin films : Role of pairing symmetry and defect structure by PAN, V. M, KASATKIN, A. L, KOMASHKO, V. A, TRETIATCHENKO, C. G, IVANYUTA, O. M, MELKOV, G. A

“…Temperature dependencies of microwave surface impedance were measured for c-oriented highly perfect YBCO thin films deposited by off-axis dc magnetron…”
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Physicotechnological Principles of Deposition of Thin High-Tc Superconducting Films of YBa2Cu3O7−δ by V. S. Flis, V. M. Pan, V. A. Komashko, V. O. Moskalyuk, I. I. Peshko

“…The careful experimental and theoretical studies followed by a subsequent improvement of high-Tc superconducting YBa2Cu3O7−δ films’ and buffer CeO2 layers’…”
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Field behavior of the critical current in quasi-single-crystalline YBCO films by Fedotov, Yu.V, Pashitskii, E.A, Ryabchenko, S.M, Semenov, A.V, Pan, A.V, Dou, S.X, Tretiatchenko, C.G, Komashko, V.A, Cherpak, Yu.V, Pan, V.M

“…Magnetic field, angular and temperature dependencies of the critical current density were measured by SQUID-magnetometry, ac magnetic susceptibility, and…”
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Observation of charge-ordered state in heterogeneous La0.7Ca0.3MnO3-δ thin film with oxygen deficiency by Prokhorov, V. G., Lee, Y. P., Komashko, V. A., Svetchnikov, V. L., Park, J. S.

“…The magnetic and transport investigations were carried out for oxygen‐deficit La0.7Ca0.3MnO3–δ films (δ ≈ 0.1) with different thicknesses d. The X‐ray…”
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Lattice-strain-driven ferromagnetic ordering in La0.8Sr0.2MnO3 thin films by Lee, Y. P., Park, S. Y., Prokhorov, V. G., Komashko, V. A., Svetchnikov, V. L.

“…The effects of lattice strain on the magnetic and the transport properties of La0.8Sr0.2MnO3 films grown on an (001) LaAlO3 substrate and on a La0.8Ca0.2MnO3…”
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Oxygen-deficiency-activated phase transition in a long-aged La0.8Ca0.2MnO3 film by Prokhorov, V. G., Kaminsky, G. G., Komashko, V. A., Lee, Y. P., Park, J. S., Ri, H. C.

“…The magnetic and transport properties of as-deposited and long-aged La0.8Ca0.2MnO3−δ films have been investigated in a wide temperature range. The x-ray…”
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Magnetic properties of crystalline La0.7Ca0.3MnO3 films including a nanoscale disordered phase by Prokhorov, V. G., Komashko, V. A., Svetchnikov, V. L., Lee, Y. P., Hyun, Y. H., Kim, J. B.

“…The magnetic properties of amorphous, crystalline (with disordered inclusions) and perfectly crystalline La0.7Ca0.3MnO3 thin films have been investigated. It…”
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Critical current density of HTS single crystal YBCO thin films in applied dc field by Cherpak, Y.V., Komashko, V.A., Pozigun, S.A., Semenov, A.V., Tretiatchenko, C.G., Pashitskii, E.A., Pan, V.M.

“…Magnetic field and angle dependencies of critical current density J/sub c/(H,/spl theta/) are measured for single-crystal c-oriented epitaxial YBa/sub 2/Cu/sub…”
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Superconducting properties of TaN and VN films by Pan, V.M., Prokhorov, V.G., Komashko, V.A., Kaminsky, G.G., Kousenetsov, M.A., Tretiatchenko, C.G.

“…Thin superconducting TaN and VN films produced by reactive cathode sputtering have been investigated. Superconducting-phase-transition smearing in applied…”
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The properties of ZrN films and ZrN-based tunnel junctions by Pan, V., Komashko, V., Rudenko, E., Boguslavsky, Yu, Zelenkevich, R.

“…The results of investigation of the structure and physical properties of zirconium nitride films and tunnel junctions made of them are presented. Formation…”
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Linear defects in epitaxial Y-Ba-Cu-O films: their role in anisotropic vortex pinning and microwave surface resistance by Pan, V.M., Flis, V.S., Komashko, V.A., Karasevska, O.P., Setchnikov, V.L., Lorenz, M., Ivanyuta, A.N., Melkov, G.A., Pashitskii, E.A., Zandbergen, H.W.

“…YBa/sub 2/Cu/sub 3/O/sub 7-/spl delta// films exhibit two orders of magnitude higher critical current density, J/sub c/, and a few times higher microwave…”
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Defects-induced thermal instability in YBCO films in microwave field by Pan, Vladimir M, Tretiatchenko, Constantin G, Flis, Victor S, Komashko, Valentin A, Pashitskii, Ernst A, Ivanyuta, Alexander N, Melkov, Gennadiy A, Zandbergen, Henny, Svetchnikov, Vassily L

“…The heat instability induced by linear defects is assumed to enhance the remarkable difference between microwave properties of YBCO single crystals and thin…”
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Vortex pinning anisotropy in perfect YBCO films studied by transport current measurements by Pan, V.M, Komashko, V.A, Flis, V.S, Kasatkin, A.L, Svetchnikov, V.L, Karasevskaja, O.P, Popov, A.G, Pronin, A.V, Snead, C.L, Suenaga, M, Zandbergen, H.W

“…Critical current densities J c are studied for YBa 2Cu 3O 7− δ films with J c (77 K)>3 MA/ cm 2 in a range of applied fields, temperatures, angles between the…”
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Observation of charge-ordered state in heterogeneous La0.7Ca0.3MnO3-d thin film with oxygen deficiency by Prokhorov, V G, Lee, Y P, Komashko, V A, Svetchnikov, V L, Park, J S

“…The magnetic and transport investigations were carried out for oxygen-deficit La0.7Ca0.3MnO3-*d films (*d #~ 0.1) with different thicknesses d. The X-ray…”
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Observation of charge-ordered state in heterogeneous La0.7Ca0.3MnO3 thin film with oxygen deficiency by Prokhorov, V. G., Lee, Y. P., Komashko, V. A., Svetchnikov, V. L., Park, J. S.

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Critical current density in highly biaxially-oriented YBCO films:Can we control J)c)(77 K) and optimize up to more than 10(6) amp/cm(2)? by Pan, V M, Kasatkin, A L, Svetchnikov, V L, Komashko, V A, Popov, A G, Galkin, A Yu, Freyhardt, H C, Zandbergen, H W

“…High-J)c) YBCO conductors of the second generation are based on processing of YBCO highly-textured film, It is important to develop deposition techniques to…”
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Critical current density in highly biaxially-oriented YBCO films: can we control J sub(c)(77K) and optimize up to more than 10 super(6) Amp/cm super(2)? by Pan, V M, Kasatkin, A L, Svetchnikov, V L, Komashko, V A, Popov, A G, Galkin, A Yu, Freyhardt, H C, Zandbergen, H W

“…High-J sub(c) YBCO conductors of the second generation are based on processing of YBCO highly-textured film. It is important to develop deposition techniques…”
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Vortex pinning/dynamics in YBCO films with J sub(c)(77 K)>3 times 10 super(6) A/cm super(2) studied by direct transport measurements by Pan, V M, Kasatkin, AL, Flis, V S, Komashko, V A, Svetchnikov, V L, Pronin, A V, Snead, CL, Suenaga, M, Zandbergen, H W

“…Critical current density, J sub(c), is studied for highly biaxially-oriented YBCO thin films with J sub(c)(77 K)>3 MA/cm super(2) in a range of magnetic…”
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