Výsledky vyhledávání - "A. V. Varlashkin"

Thermal Resistance at the Epitaxial Interface of YBaCuO and PrBaCuO

Autor: A. V. Varlashkin

Publikováno v: Bulletin of the Lebedev Physics Institute. 46:215-218

Among classical applications of superconductivity, superconductor bolometers representing a superconducting thin-film strip in the resistive state occupy an important place [1-4]. The present study concerns HTSC bolometer samples based on YBa2Cu3O7�

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::40d58255b100aef52c179fa42431dfb9
https://doi.org/10.3103/s1068335619070017

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Features of low-temperature thermal expansion of n-type Bi2Se3 single crystals in magnetic field

Autor: A. V. Varlashkin, I. B. Krynetskii, V. I. Kovalenko, S. Yu. Gavrilkin, V. P. Martovitsky, N. P. Shabanova

Publikováno v: Bulletin of the Lebedev Physics Institute. 44:324-326

Tensometric study of n-type Bi2Se3 single crystals in dc magnetic fields to 6 T in a temperature range of 7–23 K detected a weak negative thermal expansion (NTE) in the basal plane. The NTE increases with the field strength and depends on its orien

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ee95d08bcef29ff6c4dc3cb78ea17988
https://doi.org/10.3103/s1068335617110033

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High-temperature superconducting films on flexible substrates for flux transformers

Autor: Eduard E. Levin, D. N. Rakov, M. L. Chukharkin, O.V. Snigirev, A. E. Vorob’eva, A. V. Varlashkin, N. V. Porokhov

Publikováno v: Journal of Communications Technology and Electronics. 57:1130-1137

The growth of the hightemperature supercondu ctors (HTSCs) on flexible films for the fabrica� tion of nanoelectronic devices is considered. A method for the creation of the HTSC films on the nickel- tungsten substrates is proposed. The deposition o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::32062f597b114c8fb10a9429c153b9f5
https://doi.org/10.1134/s1064226912070091

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Au nanoparticles on atomically smooth gold film surfaces

Autor: A. N. Kuturov, A. V. Varlashkin, L. A. Polyakova, S. P. Gubin, E. S. Soldatov

Publikováno v: Inorganic Materials. 47:947-951

We have developed a method for producing an atomically smooth (surface roughness within 0.2 nm over an area of 1000 nm2) gold surface and depositing Au nanoparticles (3–13 nm) on it via a self-assembly process.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::74b4d4e3e42df18e675906e54d91ad10
https://doi.org/10.1134/s0020168511090147

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Critical magnetic field H c2 and electron scattering in MgB2

Autor: V. S. Nozdrin, Aleksander I. Golovashkin, S. I. Krasnosvobodtsev, N. P. Shabanova, A. V. Varlashkin

Publikováno v: Physics of the Solid State. 50:1397-1400

The correlation between the upper critical field Hc2 and the residual resistivity ρ of the MgB2 compound is studied in a wide range of ρ values. The slope −dHc2/dT of the temperature dependence of Hc2 near Tc is found to increase steadily with in

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a7dd657a9384fb8171a291daeef60f70
https://doi.org/10.1134/s1063783408080015

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Critical magnetic field of the vortex-free state in NbC thin films and prospects for its observation in MgB2

Autor: N. P. Shabanova, S. I. Krasnosvobodtsev, A. V. Varlashkin, Aleksander I. Golovashkin

Publikováno v: Physics of the Solid State. 49:1040-1045

The critical magnetic fields H c‖ and H c2 are measured for thin films of the isotropic superconductor NbC. It is revealed that the critical fields exhibit strong anisotropy due to the vortex-free state of the film in a magnetic field aligned paral

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9272df9754a73152309e0141080da2ac
https://doi.org/10.1134/s1063783407060030

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Effect of ion irradiation on the upper critical magnetic field in electronic and hole d-wave superconductors

Autor: N. P. Shabanova, A. V. Varlashkin, Aleksander I. Golovashkin, S. I. Krasnosvobodtsev

Publikováno v: Physics of the Solid State. 44:1840-1844

The effect of ion irradiation on the upper critical magnetic field H c2 in electronic and hole high-temperature superconductors is studied. It is shown that the variation of H c2 may be connected with the d-wave symmetry of the order parameter.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f64d1d2826d2ce4bfdcc73a771ab39e3
https://doi.org/10.1134/1.1514769

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Deposition of smooth high-T c superconducting films with a solid-state YAG: Nd3+ laser

Autor: M. L. Chukharkin, A. V. Varlashkin, A. V. Tsikunov, N. P. Shabanova, S.I. Krasnosvobodtsev, O.V. Snigirev

Publikováno v: Technical Physics. 52:660-662

A method is presented for the deposition of smooth epitaxial high-T c superconducting films using a pulsed infrared YAG: Nd3+ laser and velocity filtration. This method is based on the removal of drops and solid particles from the flow of deposited s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::636660c228a1be8dead233eac8ac99dc
https://doi.org/10.1134/s1063784207050192

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