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REBCO superconductors by pulsed laser deposition: Key innovations and large-scale applications. [PDF]

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Jetybayeva A, Mukanova A, Nurpeissova A, Bakenov Z, Petrykin V, Lee S.   +5 more
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Planar MgB2 superconductor-normal metal-superconductor Josephson junctions fabricated using epitaxial MgB2∕TiB2 bilayers

Applied Physics Letters, 2006
We have fabricated planar superconductor-normal metal-superconductor MgB2 Josephson junctions using TiB2 as the barrier material. On a bilayer film of MgB2∕TiB2 on SiC substrate, MgB2 was locally removed to create a gap of ⩽50nm, separating the MgB2 film into two electrodes.
Ke Chen, Y. Cui, Qi Li, X. X. Xi, Shane A. Cybart, R. C. Dynes, X. Weng, E. C. Dickey, J. M. Redwing   +8 more
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MgB2 superconductors for applications

Physica C: Superconductivity, 2003
Abstract The paper presents up to date results on MgB 2 filamentary conductors and coated conductors from the point of view of their possible applications. Basic physical parameters of MgB 2 compound relevant to conductor design are introduced. The correlation between the slope of the irreversibility line, critical temperature and critical current ...
B.A. Glowacki, M. Majoros, M. Eisterer, S. Toenies, H.W. Weber, M. Fukutomi, K. Komori, K. Togano   +7 more
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Electronic state of MgB2 superconductor

Current Applied Physics, 2002
Thanks to the high quality single crystals of MgB2, we have measured various physical properties to extract important features of the electronic state in this superconductor. The electron density maps calculated from a precise X-ray diffraction analysis and the band dispersions determined by the angle-resolved photoemission spectroscopy demonstrate ...
S. Tajima, T. Masui, H. Uchiyama, J.W. Quilty, Yu. Eltsev, S. Lee, A. Yamamoto, H. Mori   +7 more
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Degradation behavior of MgB2 superconductor

Physica C: Superconductivity, 2001
The degradation behavior of polycrystalline MgB 2 superconductor, exposed to water and ambient atmosphere, has been studied. We have found that prolonged exposure to water completely destroys superconductivity. Optical microscopic and X-ray diffraction analyses indicate that, on exposure to water, the material becomes amorphous like.
D.K Aswal, K.P Muthe, Ajay Singh, Shahswati Sen, Kunjal Shah, L.C Gupta, S.K Gupta, V.C Sahni   +7 more
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The surprising superconductor: MgB2

JOM, 2001
For the past decade and a half, scientists have been happily developing a new picture of superconductivity based on the rich phenomena found in the copper-oxide compounds. These superconductors define fascinating new directions: high transition temperatures, weakly coupled layers, exotic states of vortex matter, pseudogaps, stripes, and applications in
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Practical Magnesium Diboride (MgB2) Superconductor

2021
Even though the \(T_{\text{c}}\) of MgB2 is 39 K only, much lower than the HTSs, yet it has been exploited for the manufacture of wires and cables for a variety of applications within a short span of time. It has already positioned itself as a practical superconductor to be used at 20 K and thus superior to Nb-Ti and Nb3Sn which need liquid helium for ...
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Magnetic flux noise in MgB2 superconductor

Applied Physics Letters, 2008
Magnetic flux noise in MgB2 polycrystalline sample is measured using a high-TC rf-superconducting quantum interference device in the temperature range of 6–40K. A small magnetic field (∼200mG) was applied while cooling the sample. The flux noise exhibits 1∕fα type of behavior with α∼1.0–1.3 and shows enhanced noise around 24 and 37K.
Neeraj Khare, D. P. Singh, Ajai K. Gupta
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Microwave direct synthesis of MgB2 superconductor

Materials Letters, 2008
Abstract Intermetallic compound superconductor MgB 2 was synthesized from spherical magnesium powder and lower purity amorphous boron powder by microwave direct heating. Powder X-ray diffraction (XRD) analysis indicates that the phases of the synthesis sample are MgB 2 (major phase) and a small amount of MgO.
Qinglin Xia, Jianhong Yi, Yuandong Peng, Shudong Luo, Liya Li   +4 more
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Preparation and characterization of MgB2 superconductor

Pramana, 2002
The MgB2 superconductor, synthesized using solid-state and liquid-phase sintering methods, have been characterized for various properties. The upper critical field, irreversibility line and critical current density have been determined using magnetization data.
Shashwati Sen, DK Aswal, Ajay Singh, TV Chandrasekhar Rao, KP Muthe, JC Vyas, LC Gupta, SK Gupta, VC Sahni   +8 more
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