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Superconducting YBCO Foams as Trapped Field Magnets

Superconducting Materials Laboratory, Department of Materials Science and Engineering, Shibaura Institute of Technology, Tokyo 135-8548, Japan
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk 660036, Russia
ACCESS, Intzestrasse 5, 52072 Aachen, Germany
Author to whom correspondence should be addressed.
Current address: Superconducting Electronics Group, Electronics and Photonics Research Institute, National Institute of Advanced Industrial Science and Technology (AIST) 1-1-1 Central 2, Umezono, Tsukuba, Ibaraki 305-8568, Japan.
Current address: Raychem RPG Pvt Ltd., Namdev Garnet, Aga Abbas Ali Road Off Halasur Road, Bangalore 560042, India.
Materials 2019, 12(6), 853;
Received: 14 January 2019 / Revised: 22 February 2019 / Accepted: 5 March 2019 / Published: 13 March 2019
(This article belongs to the Section Materials Physics)
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. View Full-Text
Keywords: High-Tc superconductors; YBCO; foam; trapped fields; current flow High-Tc superconductors; YBCO; foam; trapped fields; current flow
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MDPI and ACS Style

Koblischka, M.R.; Naik, S.P.K.; Koblischka-Veneva, A.; Murakami, M.; Gokhfeld, D.; Reddy, E.S.; Schmitz, G.J. Superconducting YBCO Foams as Trapped Field Magnets. Materials 2019, 12, 853.

AMA Style

Koblischka MR, Naik SPK, Koblischka-Veneva A, Murakami M, Gokhfeld D, Reddy ES, Schmitz GJ. Superconducting YBCO Foams as Trapped Field Magnets. Materials. 2019; 12(6):853.

Chicago/Turabian Style

Koblischka, Michael R., Sugali P.K. Naik, Anjela Koblischka-Veneva, Masato Murakami, Denis Gokhfeld, Eddula S. Reddy, and Georg J. Schmitz 2019. "Superconducting YBCO Foams as Trapped Field Magnets" Materials 12, no. 6: 853.

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