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Вид документа : Статья из журнала Шифр издания :
Автор(ы) : Koblischka, Michael R., Naik, Sugali Pavan Kumar, Koblischka-Veneva, Anjela, Murakami, Masato, Gokhfeld D. M., Reddy, Eddula Sudhakar, Schmitz, Georg J.
Заглавие : Superconducting YBCO Foams as Trapped Field Magnets
Коллективы :
ANR [ANR-17-CE05-0030]; DFG [DFG-ANR Ko2323-10]; SIT start-up grant
Место публикации : Materials. - 2019. - Vol. 12, Is. 6. - Ст.853. - ISSN 1996-1944, DOI 10.3390/ma12060853 Примечания : Cited References: 62. - This work is part of the SUPERFOAM international project funded by ANR and DFG under the references ANR-17-CE05-0030 and DFG-ANR Ko2323-10, respectively. Further funding by a SIT start-up grant is also gratefully acknowledged.
Предметные рубрики: CRITICAL CURRENT-DENSITY TRANSPORT-PROPERTIES SINGLE-GRAIN BULK Ключевые слова (''Своб.индексиров.''): high-tc superconductors--ybco--foam--trapped fields--current flow Аннотация: Superconducting foams of YBa2Cu3Oy (YBCO) are proposed as trapped field magnets or supermagnets. The foams with an open-porous structure are light-weight, mechanically strong and can be prepared in large sample sizes. The trapped field distributions were measured using a scanning Hall probe on various sides of an YBCO foam sample after field-cooling in a magnetic field of 0.5 T produced by a square Nd-Fe-B permanent magnet. The maximum trapped field (TF) measured is about 400 G (77 K) at the bottom of the sample. Several details of the TF distribution, the current flow and possible applicatons of such superconducting foam samples in space applications, e.g., as active elements in flux-pinning docking interfaces (FPDI) or as portable strong magnets to collect debris in space, are outlined.
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