Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Ya M Savchuk"'
Autor:
A.V. Vlasenko, P. A. Nagornyi, Xavier Chaud, Jacques Rabier, Wolfgang Gawalek, Ya. M. Savchuk, Viktor Moshchil, Tatiana Prikhna, Nina Sergienko, Tobias Habisreuther, V. B. Sverdun, Sergey Dub, A. Joulain, Doris Litzkendorf, Vladimir S. Melnikov
Publikováno v:
Journal of Superhard Materials. 30:215-232
The possibility to oxygenate the YBa2Cu3O7−δ(Y123) structure to 7−δ ≈ 6.9 atoms (which ensures the highest temperature of transition into the superconductive state of this compound) at high temperature (800°C) and relatively low pressure (16
Autor:
Tobias Habisreuther, Tatiana Prikhna, Wolfgang Gawalek, Ya. M. Savchuk, P.A. Nagorny, Doris Litzkendorf, Ch. Schmidt, Vladimir S. Melnikov, U. Dittrich, Viktor Moshchil, M. Wendt, Nina Sergienko, V. B. Sverdun, Jan Dellith
Publikováno v:
Superconductor Science and Technology. 20:S257-S263
A systematic study of the structure and superconductive characteristics of high-pressure?high-temperature (2?GPa, 700?1000??C)-synthesized and sintered MgB2 without additions from different initial powders was performed. Among various secondary phase
Autor:
Jan Dellith, Tobias Habisreuther, Nina Sergienko, V. B. Sverdun, Vladimir S. Melnikov, Wolfgang Gawalek, Ch. Schmidt, P.A. Nagorny, Sergey Dub, Matthias Zeisberger, M. Wendt, Shi Xue Dou, Viktor Moshchil, Ya. M. Savchuk, Tetiana Prikhna
Publikováno v:
Journal of Physics: Conference Series. 43:496-499
The developed method of high-pressure synthesis (HPS) allows producing nanostructural highly dense material based on MGB2, which possesses the highest superconducting and mechanical characteristics among the known world analogues, in the form of bloc
Autor:
P.A. Nagorny, Tobias Habisreuther, Viktor Moshchil, Wolfgang Gawalek, Vladimir S. Melnikov, Doris Litzkendorf, A. B. Surzhenko, Nina Sergienko, S. Abell, Ya. M. Savchuk, Sergey Dub, Tatiana Prikhna, Matthias Zeisberger
Publikováno v:
IEEE Transactions on Appiled Superconductivity. 13:3506-3509
High pressure (HP) synthesized MgB/sub 2/ (from Mg scobs and amorphous B with Ta addition in the form of powder of about 2-10 wt%) exhibits critical current density j/sub c//spl ges/10/sup 5/ A/cm/sup 2/ up to 4 T field at 10 K, 2.5 T at 20 K and 0.5
Autor:
Tatiana Prikhna, Ch. Schmidt, P.A. Nagorny, A. B. Surzhenko, Nina Sergienko, Viktor Moshchil, Sergey Dub, Wolfgang Gawalek, Ya. M. Savchuk, M. Wendt, Vladimir S. Melnikov
Publikováno v:
Physica C: Superconductivity. 386:565-568
The addition of Ta (2–10 wt.%) to a starting mixture of Mg and B (taken in the MgB 2 stoichiometry) and application of high pressure (2 GPa) during the synthesis process (800–900 °C for 1 h) allow us to produce bulk MgB 2 -based materials with t
Autor:
Nina Sergienko, Tobias Habisreuther, Vladimir S. Melnikov, M. Wendt, Wolfgang Gawalek, Sergey Dub, P.A. Nagorny, Ya. M. Savchuk, Tatiana Prikhna, Ch. Schmidt, Jan Dellith, Doris Litzkendorf, A. B. Surzhenko, Viktor Moshchil
Publikováno v:
Processing of High Temperature Superconductors, Volume 140
High-pressure (HP) synthesis and sintering are promising methods for manufacturing of the bulk MgB2 superconductive material. The available high-pressure apparatuses with 100 cm3 working volume can allow us to use the bulk MgB2 for practical applicat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::505f21fdc952d5420aad87ddaf70f64d
https://doi.org/10.1002/9781118405932.ch32
https://doi.org/10.1002/9781118405932.ch32
Autor:
Tobias Habisreuther, Vladimir S. Melnikov, Viktor Moshchil, Jan Dellith, M. Wendt, Ya. M. Savchuk, Sergey Dub, Ch. Schmidt, G. Krabbes, A. B. Surzhenko, Wolfgang Gawalek, Tatiana Prikhna, A.V. Vlasenko, Doris Litzkendorf, Nina Sergienko, P.A. Nagorny
Publikováno v:
Physica C: Superconductivity. :1543-1545
The high-pressure (HP) synthesis seems to be very promising for manufacturing of the bulk MgB 2 superconductive material. The positive influence of tantalum in the form of a foil that covered the sample and as an addition of Ta powder in the starting
Autor:
Nina Sergienko, A. P. Shapovalov, Ya. M. Savchuk, Vladimir Sokolovsky, W. Gawalek, V. M. Tkach, Ch. Schmidt, T. Habisreuther, Michael Eisterer, Vladimir Sverdun, Artem Kozyrev, J. Vajda, Jan Dellith, N. I. Danilenko, Alexandra Starostina, János Kósa, M. Wendt, Tatiana Prikhna, Sergey Dub, Doris Litzkendorf, Vladimir S. Melnikov, Harald W. Weber, V. Moshchil, F. Karau, P.A. Nagorny
The effect of doping with Ti, Ta, SiC in complex with synthesis temperature on the amount and distribution of structural inhomogeneities in MgB2 matrix of high-pressuresynthesized-materials (2 GPa) which can influence pining: higher borides (MgB12) a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::befad654960abdf9072100a86581c36f
http://arxiv.org/abs/0912.4889
http://arxiv.org/abs/0912.4889
Autor:
István Vajda, Nina Sergienko, Tatiana Prikhna, Ya. M. Savchuk, V. B. Sverdun, Viktor Moshchil, Vladimir S. Melnikov, J. Bierlich, Doris Litzkendorf, A. Joulain, Xavier Chaud, Wolfgang Gawalek, Sergey Dub, Tobias Habisreuther, P.A. Nagorny, Jacques Rabier, János Kósa
Publikováno v:
Journal of Physics: Conference Series
Journal of Physics: Conference Series, IOP Publishing, 2008, 97, ⟨10.1088/1742-6596/97/1/012023⟩
Journal of Physics: Conference Series, IOP Publishing, 2008, 97, ⟨10.1088/1742-6596/97/1/012023⟩
The possibility to saturate MT-YBCO with oxygen up to about 7 oxygen atoms per one unit cell of YBa2Cu3O7-δ at 800 °C under controllable oxygen pressure (from 0.5 kPa to 16 MPa) has been established. On condition that the material heating to high t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6f886bf4f0b52164548fb952fbe37921
https://hal.archives-ouvertes.fr/hal-01921488
https://hal.archives-ouvertes.fr/hal-01921488
Autor:
T. A. Prikhna, X. Chaud, W. Gawalek, A. Joulain, J. Rabier, V. E. Moshchil, Ya. M. Savchuk, N. V. Sergienko, S. N. Dub, V. S. Melnikov, T. Habisreuther, D. Litzkendorf, J. Bierlich, U. (Balu) Balachandran, Kathleen Amm, David Evans, Eric Gregory, Peter Lee, Mike Osofsky, Sastry Pamidi, Chan Park, Judy Wu, Mike Sumption
Publikováno v:
AIP Conference Proceedings.
The oxygenation of MT‐YBCO under isostatic oxygen pressure (up to 16 MPa) at 900‐800 °C allowed reduced process time, lower macrocracking, and reduced microcracks. Additionally higher critical currents, trapped fields and mechanical characterist