Výsledky vyhledávání - "N. G. Margiani"

Impact of Sr(BO2)2 Dopant on Power Factor of Bi2Sr2Co1.8Oy Thermoelectric

Autor: G. A. Mumladze, I. G. Kvartskhava, N. G. Margiani, A. S. Kuzanyan, G. R. Badalyan, V. V. Zhghamadze

Publikováno v: Journal of Contemporary Physics (Armenian Academy of Sciences). 56:146-149

Doping of thermoelectric materials with various additives is a promising approach for increasing the functional efficiency of thermoelectric materials of different classes. This paper presents preliminary results of studying the impact of the stronti

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5b3bac1f25fb828f8bd26e4b39038239
https://doi.org/10.3103/s1068337221020092

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Impact of Boron Nitride Additive on the Phase Formation and Transport Properties of Bi(Pb)-2223 Superconductor

Autor: V. V. Zhghamadze, G. A. Mumladze, A. S. Kuzanyan, N. G. Margiani, I. G. Kvartskhava, G. R. Badalyan

Publikováno v: Journal of Contemporary Physics (Armenian Academy of Sciences). 55:240-247

Doping of a high-temperature Bi(Pb)-2223 superconductor with various additives, which can act as pinning centers and / or accelerate the formation of a superconducting phase, is an effective tool for obtaining Bi(Pb)-2223 samples with improved charac

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1d0fc1a7044562e162db985282f19013
https://doi.org/10.3103/s1068337220030081

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Influence of B4C-doping and high-energy ball milling on phase formation and critical current density of (Bi,Pb)-2223 HTS

Autor: Z. A. Adamia, V. V. Zhghamadze, А.S. Kuzanyan, N. G. Margiani, G. A. Mumladze

Publikováno v: Physica C: Superconductivity and its Applications. 548:86-89

In this paper, the combined effects of B4C-doping and planetary ball milling on the phase evolution, microstructure and transport properties of Bi1.7Pb0.3Sr2Ca2Cu3Oy(B4C)x HTS with x = 0 ÷ 0.125 were studied through X-ray diffraction (XRD), scanning

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2f09ecf927efe10aacbeea55a35dfcb4
https://doi.org/10.1016/j.physc.2018.02.025

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Influence Of Sr(Bo2)2 Doping On Superconducting Properties Of (Bi,Pb)-2223 Phase

Autor: N. G. Margiani, I. G. Kvartskhava, G. A. Mumladze, Z. A. Adamia

Chemical doping with different elements and compounds at various amounts represents the most suitable approach to improve the superconducting properties of bismuth-based superconductors for technological applications. In this paper, the influence of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::22faedad577a6d101c556636c22bea61

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Influence of Pb(BO2)2 Doping on Superconducting Properties of (Bi,Pb)-2223 HTS

Autor: Z. A. Adamia, N. G. Margiani, G. A. Mumladze, D. I. Dzanashvili, N. A. Papunashvili

Publikováno v: Journal of Superconductivity and Novel Magnetism. 28:499-502

The effect of lead borate Pb(BO2)2 doping on the phase formation and superconducting properties of (Bi,Pb)-2223 high-temperature superconductivity (HTS) has been studied. Samples with nominal composition Bi1.7Pb0.3−xSr2Ca2Cu3O y [Pb(BO2)2] x , x =

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2252aec964260a6af1d005daefaaa6c2
https://doi.org/10.1007/s10948-014-2709-7

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Effect of BN-Added Precursors on Phase Formation and Transport Properties of (Bi,Pb)-2223 HTS

Autor: N. A. Papunashvili, Z. A. Adamia, D. I. Dzanashvili, N. G. Margiani, G. A. Mumladze

Publikováno v: Journal of Superconductivity and Novel Magnetism. 27:397-400

(Bi,Pb)-2223 HTSs (high temperature superconductors) were synthesized from nominally pure (reference) and BN-added Bi1.7Pb0.3Ca2Sr2Cu3O y (BN) x precursors (x=0,0.10,0.15, and 0.20) by the solid state reaction method using alumina crucibles. The infl

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a8ae9c25f7df4f7a9548a9c3b66be07b
https://doi.org/10.1007/s10948-013-2330-1

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Influence of Boron-Containing Dopants on Superconducting Properties of (Bi, Pb)-2223 HTS

Autor: T. D. Medoidze, N. A. Papunashvili, Z. A. Adamia, N. G. Margiani, D. I. Dzanashvili, M. I. Chubabria, I. R. Metskhvarishvili

Publikováno v: Journal of Superconductivity and Novel Magnetism. 26:965-968

The influence of addition of lead borate Pb(BO2)2 and boron oxide B2O3 on the phase evolution and superconducting properties of (Bi, Pb)-2223 HTSs synthesized by the solid-state reaction method in alumina crucibles has been studied. X-ray diffraction

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cdb7fb853ddf7d3f70aabbdaf26f9ff8
https://doi.org/10.1007/s10948-012-1886-5

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Superconducting Properties of B2O3-Added (Bi,Pb)-2223 HTSs Prepared on Alumina Plates

Autor: I. R. Metskhvarishvili, D. I. Dzanashvili, N. G. Margiani, G. A. Shurgaia, N. A. Papunashvili

Publikováno v: Journal of Superconductivity and Novel Magnetism. 24:2275-2278

Nominally pure and B2O3-added (Bi,Pb)-2223 HTS samples were synthesized in air on alumina plates. The influence of boron-doping as well as annealing conditions on the high-Tc 2223 phase evolution was studied using X-ray diffraction (XRD), resistivity

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8a6af2c71fd10f3c50079b3b71b30d20
https://doi.org/10.1007/s10948-011-1196-3

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