Results 121 to 130 of about 21,457 (258)

Development of design for large scale conductors and coils using MgB2 for superconducting magnetic energy storage device

Cryogenics (Guildford), 2018
MgB2 wires are commercially available, and their superconducting characteristics have been continuously developed in the last decade. The relatively high critical temperature of these wires has attracted the attention of researchers, especially in the ...
T. Yagai, Sinya Mizuno, T. Okubo, S. Mizuochi, M. Kamibayashi, Mana Jimbo, T. Takao, N. Hirano, Y. Makida, T. Shintomi, T. Komagome, K. Tsukada, T. Onji, Y. Arai, A. Ishihara, M. Tomita, D. Miyagi, M. Tsuda, T. Hamajima   +18 more
semanticscholar   +1 more source

Low noise terahertz MgB2 hot-electron bolometer mixers with an 11 GHz bandwidth

, 2017
Terahertz (THz) hot-electron bolometer mixers reach a unique combination of low noise, wide noise bandwidth, and high operation temperature when 6nm thick superconducting MgB2 films are used. We obtained a noise bandwidth of 11GHz with a minimum receiver
E. Novoselov, S. Cherednichenko
semanticscholar   +1 more source

MgB2 Josephson junctions produced by focused helium ion beam irradiation

AIP Advances, 2018
Planar magnesium diboride Josephson junctions are fabricated using focused helium ion beam irradiation. A single track of ion irradiation with a 30 kV He+ beam with nominal beam diameter < 0.5 nm is used to create a normal-metal barrier on a MgB2 film ...
L. Kasaei, T. Melbourne, V. Manichev, L. Feldman, T. Gustafsson, Ke Chen, X. Xi, B. Davidson   +7 more
semanticscholar   +1 more source

Fabrication of superconducting nanowires from ultrathin MgB2 films via focused ion beam milling

AIP Advances, 2015
High quality superconducting nanowires were fabricated from ultrathin MgB2 films by a focused ion beam milling technique. The precursor MgB2 films in 10 nm thick were grown on MgO substrates by using a hybrid physical-chemical vapor deposition method ...
Chen Zhang, Da Wang, Zheng-Hao Liu, Yan Zhang, Ping Ma, Qing-Rong Feng, Yue Wang, Zi-Zhao Gan   +7 more
doaj   +1 more source

Electrochemical Oxidation of Ascorbic Acid Using MgB2-MWCNT Modified Glassy Carbon Electrode

International Journal of Electrochemical Science, 2013
The electrochemical properties of ascorbic acid (AA) have been studied using cyclic voltammetry technique at the surface of MgB2-MWCNT mixture modified glassy carbon electrode (MgB2-MWCNT/GCE) via mechanical attachment method.
D. Banan, W.T. Tan, Y. Sulaiman, M.F. Yusri, M. Zidan, S. Ab Ghani   +5 more
doaj   +1 more source

Transport properties of MgB2

, 2001
In this paper we present the resistivity, the Seebeck effect, and the thermal conductivity measurements on a MgB2 sintered sample. Such transport properties highlight the role of the junctions between the grains to a different extent. In particular, the temperature dependence of resistivity may be explained with the assumption that grain boundaries ...
Putti, M., d'Agliano, E. Galleani, Marre, D., Napoli, F., Tassisto, M., Manfrinetti, P., Palenzona, A.   +6 more
openaire   +2 more sources

Nature of bonding and electronic structure in MgB2, a boron intercalation superconductor

, 2001
Chemical bonding and electronic structure of MgB2, a boron-based newly discovered superconductor, is studied using self-consistent band structure techniques.
A. Catellani, A.I. Ivanovskii, E. Sirtl, H. Urayama, H.J.F. Jansen, I.T. Belash, I.T. Belash, J. Kortus, J. Nagamatsu, J.K. Burdett, K. D. Belashchenko, K. Tanigaki, M. Methfessel, M. van Schilfgaarde, M. Worle, S.L. Bud’ko, V. P. Antropov, V. P. Antropov, W. A. Harrison   +18 more
core   +2 more sources

Magnetic field dependence of vortex activation energy: a comparison between MgB2, NbSe2 and Bi2Sr2Ca2Cu3O10 superconductors

, 2008
The dissipative mechanism at low current density is compared in three different classes of superconductors. This is achieved by measurement of resistance as a function of temperature and magnetic field in clean polycrystalline samples of NbSe2, MgB2 and ...
A. Gurevich, E. J. Cramer, G. Blatter, G. Q. Yuan, J. Bardeen, J. Jiang, J. M. Rowell, J. R. Thompson, J. R. Thompson, K. Nato, L. Cooley, M. Angst, M. Ikebe, P. Grant, Q. Li, Q. Li, S. D. Kaushik, S. Kang, S. Patnaik, S. Xueyan, T. Masui, T. T. M. Palstra, V. Braccini, V. Braccini   +23 more
core   +1 more source

Soft x-ray spectroscopy experiments on the near K-edge of B in MB2 (M=Mg, Al, Ta, and Nb)

, 2001
Soft X-ray absorption and emission measurements are performed for the K- edge of B in MB$_2$ (M=Mg, Al, Ta and Nb). Unique feature of MgB$_2$ with a high density of B 2$p_{xy}(\sigma)$-state below and above the Fermi edge, which extends to 1 eV above the
A.S. Cooper, David L. Ederer, G. Satta, H. Schmidt, J. Kortus, J. Nagamatsu, J.J. Jia, J.M. An, J.S. Slusky, Jin Nakamura, Jonathan D. Denlinger, K. Kuroki, K.D. Belashchenko, Kazuhiko Kuroki, L. Leyarovskaya, Nobuyoshi Yamada, Rupert C. C. Perera, S.L. Bud’ko, T.A. Callcott, Thomas A. Callcott, Y. Kong   +20 more
core   +1 more source

Fabrication and transport critical currents of multifilamentary MgB2/Fe wires and tapes

, 2002
Multifilamentary MgB2/Fe wires and tapes with high transport critical current densities have been fabricated using a straightforward powder-in-tube (PIT) process.
Beneduce C, C Beneduce, Glowacki B A, Goldacker W, H L Suo, Kambara M, Liu C F, R Fl$uuml$kiger, Suo H L, Suo H L, X D Su   +10 more
core   +1 more source