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Energies 2017, 10(3), 409;

Doping-Induced Isotopic Mg11B2 Bulk Superconductor for Fusion Application

State Key Lab of Hydraulic Engineering Simulation and Safety, School of Materials Science & Engineering, Tianjin University, Tianjin 300072, China
Institute of Superconducting and Electronic Materials, Australian Institute for Innovative Materials (AIIM), University of Wollongong, Squires Way, North Wollongong, NSW 2500, Australia
Chemistry Department, Koc University, Rumelifeneri Yolu, TR-34450 Sariyer-Istanbul, Turkey
Department of Mechatronics, Faculty of Engineering and Architecture, Gelisim University, Istanbul 34315, Turkey
International Thermonuclear Experimental Reactor (ITER) Organization, 13115 Saint Paul Lez Durance, France
Australian Nuclear Science and Technology Organization (ANSTO), Lucas Heights, NSW 2232, Australia
Department of Physics and Astronomy, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
International Laboratory of High Magnetic Fields (HMF) and Low Temperatures (LT), Gajowicka 95, 53-421 Wroclaw, Poland
International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS) 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
Institute for Plasma Research, Bhat, Gandhinagar 382 428, Gujarat, India
Authors to whom correspondence should be addressed.
Academic Editor: Tapas Mallick
Received: 2 November 2016 / Revised: 8 March 2017 / Accepted: 10 March 2017 / Published: 21 March 2017
(This article belongs to the Special Issue Fusion Power)
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Superconducting wires are widely used for fabricating magnetic coils in fusion reactors. Superconducting magnet system represents a key determinant of the thermal efficiency and the construction/operating costs of such a reactor. In consideration of the stability of 11B against fast neutron irradiation and its lower induced radioactivation properties, MgB2 superconductor with 11B serving as the boron source is an alternative candidate for use in fusion reactors with a severe high neutron flux environment. In the present work, the glycine-doped Mg11B2 bulk superconductor was synthesized from isotopic 11B powder to enhance the high field properties. The critical current density was enhanced (103 A·cm−2 at 20 K and 5 T) over the entire field in contrast with the sample prepared from natural boron. View Full-Text
Keywords: MgB2 superconductor; isotope 11B; transition temperature; critical current density MgB2 superconductor; isotope 11B; transition temperature; critical current density

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Cai, Q.; Guo, Q.; Liu, Y.; Ma, Z.; Li, H.; Qiu, W.; Patel, D.; Jie, H.; Kim, J.H.; Somer, M.; Yanmaz, E.; Devred, A.; Luzin, V.; Fatehmulla, A.; Farooq, W.A.; Gajda, D.; Bando, Y.; Yamauchi, Y.; Pradhan, S.; Hossain, M.S.A. Doping-Induced Isotopic Mg11B2 Bulk Superconductor for Fusion Application. Energies 2017, 10, 409.

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