英国物理学会
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作者:Shanshan Sun , Shaohua Wang , Chenghe Li ...
来源:[J].Superconductor Science and Technology(IF 2.758), 2018, Vol.31 (1)IOP
摘要:We study the electric transport properties of Li x (NH3) y Fe2(Te z Se )2 single crystals with and 0.6 in the mixed state. Thermally-activated flux-flow, vortex glass and flux-flow Hall effect (FFHE) behaviors are ...
作者:Y Trenikhina , S Posen , A Romanenko ...
来源:[J].Superconductor Science and Technology(IF 2.758), 2018, Vol.31 (1)IOP
摘要:Nb3Sn has potential to become the material of choice for fabrication of SRF cavities. The higher critical temperature of Nb3Sn potentially allows for an increased operational temperature in SRF cavities, which could enable a simplification of the cryogenic s...
作者:K Hogan , J-F Fagnard , L Wéra ...
来源:[J].Superconductor Science and Technology(IF 2.758), 2018, Vol.31 (1)IOP
摘要:Hard type-II hollow superconductors are well suited for low frequency magnetic shielding. The properties and performances of superconducting magnetic shields subjected to homogeneous magnetic fields have been extensively discussed in the literature. In the present work, we invest...
作者:M Breschi , L Cavallucci , P L Ribani ...
来源:[J].Superconductor Science and Technology(IF 2.758), 2018, Vol.31 (1)IOP
摘要:Proton therapy for the treatment of cancers adopts a rotating gantry to irradiate the tumor from any direction. The gantry system consists of different beamline magnets that bend the proton beam towards the patient. The use of superconducting magnets allows reducing the size and ...
作者:J S Lehtinen , A Kemppinen , E Mykkänen ...
来源:[J].Superconductor Science and Technology(IF 2.758), 2018, Vol.31 (1)IOP
摘要:We have fabricated disordered superconducting nanowires of molybdenium silicide. A molybdenium nanowire is first deposited on top of silicon, and the alloy is formed by rapid thermal annealing. The method allows tuning of the crystal growth to optimize e.g. the resistivity of the...
作者:Pashupati Dhakal , Gianluigi Ciovati
来源:[J].Superconductor Science and Technology(IF 2.758), 2018, Vol.31 (1)IOP
摘要:We present the results of rf measurements on a niobium–copper clad superconducting radio-frequency cavity with different cooldown conditions and residual magnetic field in a vertical test Dewar in order to explore the effect of thermal current induced magnetic field and its ...
作者:Renzo L Ricca , Xin Liu
来源:[J].Fluid Dynamics Research, 2018, Vol.50 (1)IOP
摘要:In this paper we derive and compare numerical sequences obtained by adapted polynomials such as HOMFLYPT, Jones and Alexander-Conway for the topological cascade of vortex torus knots and links that progressively untie by a single reconnection event at a time. Two cases are consid...
作者:Simon C Cork , Amir Eftekhar , Khalid B Mirza ...
来源:[J].Journal of Neural Engineering, 2018, Vol.15 (1)IOP
摘要:Objective . Vagal nerve stimulation (VNS) has shown potential benefits for obesity treatment; however, current devices lack physiological feedback, which limit their efficacy. Changes in extracellular pH (pHe) have shown to be correlated with neural activity, but have ...
作者:H K Moffatt , K Mizerski
来源:[J].Fluid Dynamics Research, 2018, Vol.50 (1)IOP
摘要:The relaxation of a helical magnetic field in a high-conductivity plasma contained in the annulus between two perfectly conducting coaxial cylinders is considered. The plasma is of low density and its pressure is negligible compared with the magnetic pressure; the flow of th...
作者:S M Ford , M Watanabe , M W Jenkins
来源:[J].Journal of Neural Engineering, 2018, Vol.15 (1)IOP
摘要:Optical pacing (OP) uses pulsed infrared light to initiate heartbeats in electrically excitable cardiac tissues without employing exogenous agents. OP is an alternative approach to electrical pacing that may overcome some its disadvantages for some applications. In this review, w...

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