Zobrazeno 1 - 9 of 9 pro vyhledávání: '"O. V. Magradze"'
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Formation of proposed superconducting phases in nominal compositions Bi1.7Pb0.3Sr2Ca x − 1Cu x O y (x = 4, 5, 7, 9) on the basis of amorphous precursors, obtained under the action of concentrated sunlight
Autor: O. V. Magradze, D. G. Chigvinadze, Zh. Sh. Turdiev, D. D. Gulamova, D. E. Uskenbaev
Publikováno v: Applied Solar Energy. 45:196-199
The possibility of obtaining superconducting phases in compositions Bi1.7Pb0.3Sr2Cax − 1CuxOy (x = 4, 5, 7, 9) with increased Ca and Cu content from amorphous precursors that are obtained under the action of concentrated sunlight is investigated. I
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9aa8df0d519d5c35274770ac67ef6fbc
https://doi.org/10.3103/s0003701x09030141
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3
Phase composition and properties of superconducting ceramics based on Bi1.7Pb0.3Sr2Ca2Cu3O y precursors fabricated by melt quenching in a solar furnace
Autor: O. V. Magradze, D. E. Uskenbaev, J. G. Chigvinadze, G. Fantozzi, D. D. Gulamova
Publikováno v: Technical Physics
Technical Physics, 2009, 54 (6), pp.860-864. ⟨10.1134/S1063784209060140⟩
Technical Physics, 2009, 54 (6), pp.860-864. 〈10.1134/S1063784209060140〉
cited By 1; International audience; Production of superconducting ceramics based on precursors with rated composition Bi1.7Pb0.3Sr2Ca2Cu 3O y is studied. The precursors are synthesized in a solar furnace by melt rapid quenching. The phase composition
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7a50e839d9cdb7541f986a03936f0ce4
https://doi.org/10.1134/s1063784209060140
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4
Crystallization and synthesis of HTSC of compositions 2234, 2245 in the Bi-Pb-Sr-Ca-Cu-O system based on amorphous precursors obtained by solar radiation hardening
Autor: D. G. Chigvinadze, O. V. Magradze, D. D. Gulamova, D. E. Uskenbaev
Publikováno v: Applied Solar Energy. 44:42-45
The crystallization of the amorphous precursors BSCCO 2234, 2245, obtained by rapid quenching of a melt exposed to concentrated solar radiation, has been investigated. The formation of the 2223 and 2234 superconducting phases in the synthesis has bee
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::77aaa86c04192453a6450d17a81489b4
https://doi.org/10.3103/s0003701x08010131
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5
Study of flux pinning by torque measurements in superconducting Al - 10% at Ag
Autor: O. V. Magradze, S.M. Ashimov, A. Nemoz, V.Z. Gabdulin, J. S. Tsakadze
Publikováno v: Cryogenics. 16:589-592
The influence of magnetic field and temperature on Abrikosov fluxoid pinning in supersaturated Al-10 at % Ag solid solution is investigated by the torque measurement method. The minimum rotation angle of the magnetic field for the breakaway of fluxoi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ac52d4856b674e59007a39203a10ebc4
https://doi.org/10.1016/0011-2275(76)90189-2
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6
Abrikosov fluxoid pinning in Al-13.5 at % Ag alloy by magnetic and torque measurements
Autor: O. V. Magradze, J. S. Tsakadze, A. Nemoz, P. I. Metrevely, S.M. Ashimov
Publikováno v: Journal of Low Temperature Physics. 44:319-333
The pinning force in a supersaturated solid solution of Al-13.5 at % Ag with defect structures of various types (Guinier-Preston zones, γ′- and γ-phase lamellae) formed by isothermal aging treatment has been investigated. To determine the fluxoid
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5486c2a793f9a181ddc5a18582a22b6f
https://doi.org/10.1007/bf00120780
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7
Vortex motion in type II superconductors with controllable type defects
Autor: V. A. Shukhman, L. V. Matyushkina, O. V. Magradze
Publikováno v: Journal of Low Temperature Physics. 55:475-494
A model that connects the nonlinearity of the voltage-current characteristicsV(I) in the mixed state with the statistical distribution of the pinning forces acting on moving vortices is considered. The role of the elastic properties of the vortex lat
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::301be682f78eb6f127cfa3f5a26f8b8e
https://doi.org/10.1007/bf00681777
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8
Measurements of the Dipolar Velocity in Superfluid 3 He-B
Autor: Pertti Hakonen, K. K. Nummila, O. V. Magradze
Publikováno v: Europhysics Letters (EPL). 9:355-360
We have measured the frequency shift of the counterflow-induced peak in the NMR spectrum of the flare-out texture in rotating 3He in a vortex-free state. From a comparison with the calculated shifts, the temperature dependence of the dipolar velocity
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5329e71dc026af0df18591f3a2203c3a
https://doi.org/10.1209/0295-5075/9/4/010
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9
Coupling of zero sound to the real squashing mode in rotatingB3
Autor: J. M. Kyynäräinen, V. P. Mineev, Antti Manninen, K. Torizuka, O. V. Magradze, Jukka P. Pekola, O. Avenel, M. P. Berglund, O. V. Lounasmaa, G. K. Tvalashvili, Eric Varoquaux, Riitta Salmelin
Publikováno v: Physical Review Letters. 63:620-623
Rotation of superfluid $^{3}\mathit{B}$ in an magnetic field enhances the coupling of the nonzero ${\mathrm{m}}_{\mathrm{J}}$ substrates of the real squashing collective mode to the zero sound, and the fivefold line splitting becomes observable even
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::af5f455b1158e8ff296100c3bab705af
https://doi.org/10.1103/physrevlett.63.620
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