Search Results - "IVANOV, Z. G"

Weak links and dc SQUIDS on artificial nonsymmetric grain boundaries in YBa2Cu3O7-δ by IVANOV, Z. G, NILSSON, P. A, WINKLER, D, ALARCO, J. A, CLAESON, T, STEPANTSOV, E. A, TZALENCHUK, A. Y

“…We have studied weak links and dc–SQUIDs made from pulsed laser deposited YBa2Cu3O7−δ thin films on Y–ZrO2 bicrystal substrates. The transport properties of…”
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Critical behavior of vortices in epitaxial Tl-2201 films at zero external field by Chen, H. Q., Johansson, L.-G., Ivanov, Z. G.

“…The resistive transition and current–voltage characteristics of a Tl‐2201 superconducting microbridge are measured close to the critical temperature in zero…”
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X-ray study of SrTiO3 thin films in multilayer structures by PETROV, P. K, IVANOV, Z. G, GEVORGYAN, S. S

“…A set of YBa2Cu3O7-x (YBCO)/SrTiO3 (STO) multilayer structures are investigated using conventional and grazing-incidence X-ray diffraction techniques. For all…”
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Dielectric response of BaxSr1−xTiO3 layer between metallic and superconducting oxide electrodes by Khamchane, K, Boikov, Yu.A, Ivanov, Z.G

“…Epitaxial (001) films of oxide superconductor (200 nm) YBa2Cu3O7-d and metallic oxide (200 nm) SrRuO3 were used as bottom and top electrodes in multilayer…”
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Quasiparticle injection into YBCO four terminal Josephson devices by Lombardi, F., Ivanov, Z.G., Claeson, T., Scotti di Uccio, U.

“…A four terminal Josephson device, based on quasiparticle injection into an YBCO step edge Josephson junction was analysed. Two injector junctions are defined…”
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Particle formation on the YBCO thin film surface: effect of stoichiometry and substrate material by Mozhaev, P.B, Rönnung, F, Komissinskii, P.V, Ivanov, Z.G, Ovsyannikov, G.A

“…Particle formation on the YBa 2Cu 3O 7− x (YBCO) thin film surface deposited by laser ablation was studied. Ablation of a stoichiometric YBCO target results in…”
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The influence of thallium and oxygen content on the superconducting properties of Tl-2201 films on single crystal LaAlO3 by Chen, H.Q., Johansson, L.-G., Ivanov, Z.G.

“…The influence of the Tl and O content on the superconducting properties of Tl-2201 films has been investigated. Tl-2201 films were grown ex situ on single…”
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Improved step edges on LaAlO3 substrates by using amorphous carbon etch masks by Yi, H. R., Ivanov, Z. G., Winkler, D., Zhang, Y. M., Olin, H., Larsson, P., Claeson, T.

“…We report a technique for the fabrication of sharp and straight step edges on LaAlO3 (LAO) substrates by ion milling. An electron beam lithography defined…”
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Characterization of YBCO thin films for microwave applications by Nurgaliev, T, Tsaneva, V.N, Donchev, T.I, Barber, Z.H, Tarte, E.J, Blamire, M.G, Hogg, M, Evetts, J.E, Taslakov, M, Miteva, S, Spasov, A.Y, Ovsyannikov, G, Ivanov, Z.G, Nilsson, H

“…The results of a systematic study of YBCO films for microwave applications deposited on LaAlO 3 substrates using 2-opposed-magnetron sputtering technique in…”
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Determining the crystal symmetry of epitaxial Tl-2201 thin films by X-ray diffraction by Chen, H.Q, Johansson, L.-G, Langer, V, Ivanov, Z.G

“…The crystal symmetry of epitaxial Tl-2201 films on LaAlO 3 and SrTiO 3 substrates is investigated by X-ray diffraction. In the case of Tl 1.85Ba 2CuO 6 film, a…”
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The structural symmetry of epitaxial Tl-2201 films by Chen, H.Q., Johansson, L.-G., Ivanov, Z.G.

“…Tl 2 − xBa 2CuO 6 (Tl-2201) films with a thallium content of 1.85 and 2.04 were prepared on single crystal LaAlO 3 and SrTiO 3 substrates using a multi-step…”
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YBa2Cu3O7-δ Josephson junctions on directionally ion beam etched MgO substrates by RAMOS, J, IVANOV, Z. G, OLSSON, E, ZAREMBINSKI, S, CLAESON, T

“…Shallow, 1–40 nm deep steps were ion beam milled at 60° angle of incidence to the normal of the MgO substrate in order to form Josephson junctions…”
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Low-field magnetoresistance in perovskite manganites: Magnetic field, temperature, and current dependence by Gunnarsson, R., Ivanov, Z. G., Dubourdieu, C., Roussel, H.

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Transport properties of a Tl-2201 film close to the critical temperature: The vortex glass transition by Chen, H Q, Johansson, L-G, Ivanov, Z G

“…We have studied the I-V characteristics of a Tl-2201 film at zero field. In the regime in which flux creep is the dominant dissipation mechanism, the J…”
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Fabrication and properties of HTS diffusion type weak links by Ivanov, Z.G., Brorsson, G., Claeson, T.

“…Intentionally weakened links were produced by diffusing Al or Cu into the grain boundaries of microbridges of high-T/sub c/ superconductors. Thin and narrow…”
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Effects of substrate temperature on the microstructure of YBa2Cu3O7-δ films grown on (001) Y-ZrO2 substrates by ALARCO, J. A, BRORSSON, G, IVANOV, Z. G, NILSSON, P.-A, OLSSON, E, LÖFGREN, M

“…High-quality YBa2Cu3O7−δ films grown on (001) single-crystal Y-ZrO2 substrates by pulsed laser deposition have been studied as a function of substrate…”
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Structural studies of YBCO ramp Josephson junctions for rapid single flux quantum circuits by Gustafsson, M, Olsson, E, Huang, M Q, Komissinski, P V, Mozhaev, P B, Ivanov, Z G

“…Ramp-type Josephson junctions with barrier layers of Ga doped PrBa sub(2)Cu sub(3)O sub(7- delta ) have been investigated using scanning and transmission…”
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Epitaxial Tl-2201 Thin Films on Single Crystal LaAlO3: Preparation and Properties by Chen, H. Q., Johansson, L.-G., Ivanov, Z. G., Erts, D.

“…Epitaxial Tl‐2201 films have been prepared on single crystal LaAlO3 substrates. Precursor films made by laser ablation were treated with Tl2O(g) at high…”
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Josephson transport in Tl-cuprate bicrystal weak links by Hu, Q-H, Johansson, L-G, Langer, V, Chen, Y F, Claeson, T, Ivanov, Z G, Kislinski, Yu, Stepantsov, E A

“…Superconducting epitaxial Tl sub(2)Ba sub(2)CaCu sub(2)O sub(8) (Tl-2212) and Tl sub(2)Ba sub(2)CuO sub(6) (Tl-2201) thin films are synthesized on single…”
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Properties of Tl-2201 thin films by Hu, Q.-H., Johansson, L.-G., Chen, H.Q., Ivanov, Z.G., Erts, D., Olin, H., Claeson, T., Stepantsov, E.A.

“…Tl 2Ba 2CuO 6 (Tl-2201) thin films were synthesised on single crystal LaAlO 3 and SrTiO 3 substrates and on bicrystal LaAlO 3 by an ex-situ process. Depending…”
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