Superconducting magnet ≈ Superconducting magnet
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A review of commercial high temperature superconducting materials for large magnets: from wires and tapes to cables and conductors Open
High temperature superconducting (HTS) materials have the potential to generate a magnetic field beyond the level obtainable with low temperature superconducting (LTS) materials. This review reports on past and present R&D on HTS cables an…
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High temperature superconductors for fusion magnets Open
The commercially available high temperature superconductors (HTS) tapes and wires (BSSCO and REBCO) are introduced and the past and present projects to build fusion devices using HTS based magnets are reviewed. The main design options for …
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Overview of <i>H</i>-Formulation: A Versatile Tool for Modeling Electromagnetics in High-Temperature Superconductor Applications Open
This paper reviews the modeling of high-temperature superconductors (HTS) using the finiteelement method (FEM) based on the H-formulation of Maxwell's equations. This formulation has become the most popular numerical modeling method for si…
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Bulk superconductors: a roadmap to applications Open
Progress in superconducting bulk materials has been somewhat overshadowed by the considerable effort required to produce practical long-length conductors. There has, however, been steady progress in both the materials science of bulk super…
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Introduction of CORC<sup>®</sup>wires: highly flexible, round high-temperature superconducting wires for magnet and power transmission applications Open
Conductor on Round Core (CORC®) technology has achieved a long sought-after benchmark by enabling the production of round, multifilament, (RE)Ba2Ca3O7-x coated conductors with practical current densities for use in magnets and power applic…
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Superconducting materials: Challenges and opportunities for large-scale applications Open
Superconducting materials hold great potential to bring radical changes for electric power and high-field magnet technology, enabling high-efficiency electric power generation, high-capacity loss-less electric power transmission, small lig…
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Compact fusion energy based on the spherical tokamak Open
Tokamak Energy Ltd, UK, is developing spherical tokamaks using high temperature superconductor magnets as a possible route to fusion power using relatively small devices. We present an overview of the development programme including detail…
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Conductors for commercial MRI magnets beyond NbTi: requirements and challenges Open
Magnetic Resonance Imaging (MRI), a powerful medical diagnostic tool, is the largest commercial application of superconductivity. The superconducting magnet is the largest and most expensive component of an MRI system. The magnet configura…
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Nb<sub>3</sub>Sn superconducting radiofrequency cavities: fabrication, results, properties, and prospects Open
A microns-thick film of Nb3Sn on the inner surface of a superconducting radiofrequency (SRF) cavity has been demonstrated to substantially improve cryogenic efficiency compared to the standard niobium material, and its predicted superheati…
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The SPARC Toroidal Field Model Coil Program Open
The SPARC Toroidal Field Model Coil (TFMC) Program was a three-year effort between 2018 and 2021 that developed novel Rare Earth Barium Copper Oxide (REBCO) superconductor technologies and then successfully utilized these technologies to d…
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A practical superconducting-microcalorimeter X-ray spectrometer for beamline and laboratory science Open
We describe a series of microcalorimeter X-ray spectrometers designed for a broad suite of measurement applications. The chief advantage of this type of spectrometer is that it can be orders of magnitude more efficient at collecting X-rays…
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Tutorial: Basic principles, limits of detection, and pitfalls of highly sensitive SQUID magnetometry for nanomagnetism and spintronics Open
In the field of nanomagnetism and spintronics, integral magnetometry is nowadays challenged by samples with low magnetic moments and/or low coercive fields. Commercial superconducting quantum interference device magnetometers are versatile…
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A Finite-Element Method Framework for Modeling Rotating Machines With Superconducting Windings Open
Electrical machines employing superconductors are attractive solutions in a\nvariety of application domains. Numerical models are powerful and necessary\ntools to optimize their design and predict their performance. The\nelectromagnetic mo…
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Ultra-High Field NMR and MRI—The Role of Magnet Technology to Increase Sensitivity and Specificity Open
“History, of course, is difficult to write, if for no other reason, than that it has so many players and so many authors.” – P. J. Keating (former Australian Prime Minister)Starting with post-war developments in nuclear magnetic resonance …
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The effect of fast neutron irradiation on the superconducting properties of REBCO coated conductors with and without artificial pinning centers Open
Superconductors are essential components of future fusion power plants. The magnet coilsresponsible for producing thefieldrequiredforconfining the fusion plasma are exposed toconsiderable neutron radiation. This makes irradiation studies n…
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Numerical modelling of dynamic resistance in high-temperature superconducting coated-conductor wires Open
The use of superconducting wire within AC power systems is complicated by the dissipative interactions that occur when a superconductor is exposed to an alternating current and/or magnetic field, giving rise to a superconducting AC loss ca…
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A (RE)BCO Pancake Winding With Metal-as-Insulation Open
In this paper, we report preliminary experimental results on protection study of two REBCO pancake coils based on the metal-as-insulation (MI) winding technique, a variant of the no-insulation (NI) winding technique, in which a metallic ta…
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A trapped field of 17.7 T in a stack of high temperature superconducting tape Open
High temperature superconducting (HTS) tape can be cut and stacked to generate large magnetic fields at cryogenic temperatures after inducing persistent currents in the superconducting layers. A field of 17.7 T was trapped between two stac…
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Russian Gyrotrons: Achievements and Trends Open
The last decade has contributed to the rapid progress in the gyrotron development. Megawatt-class, continuous wave gyrotrons are employed as high-power millimeter (mm)-wave sources for electron cyclotron heating (ECH) and current drive in …
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Enhanced trapped field performance of bulk high-temperature superconductors using split coil, pulsed field magnetization with an iron yoke Open
© 2016 IOP Publishing Ltd.Investigating and predicting the magnetization of bulk superconducting materials and developing practical magnetizing techniques is crucial to using them as trapped field magnets in engineering applications. The p…
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A viable dipole magnet concept with REBCO CORC<sup>®</sup>wires and further development needs for high-field magnet applications Open
REBCO coated conductors maintain a high engineering current density above 16 T at 4.2 K. That fact will significantly impact markets of various magnet applications including high-field magnets for high-energy physics and fusion reactors. O…
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Review of progress and challenges of key mechanical issues in high-field superconducting magnets Open
The development of modern science and technology requires high magnetic fields exceeding 25T. Second-generation high-temperature superconducting wires, i.e. REBCO (REBa2Cu3O7-x, RE refers to Y, Gd, Dy, Eu and other rare-earth elements) coa…
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The 16 T Dipole Development Program for FCC Open
\nA key challenge for a future circular collider (FCC) with centre-of-mass energy of 100 TeV and a circumference in the range of 100 km is the development of high-field superconducting accelerator magnets, capable of providing a 16 T dipol…
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Hoop Stress Modification, Stress Hysteresis and Degradation of a REBCO Coil Due to the Screening Current Under External Magnetic Field Cycling Open
Degradation of a REBCO coil under external magnetic fields is one of the major technical problems in the field of HTS magnet technology. A possible cause of such degradation is an inhomogeneous hoop stress distribution, or hoop stress modi…
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Designing and Basic Experimental Validation of the World's First MW-Class Direct-Drive Superconducting Wind Turbine Generator Open
High temperature superconducting (HTS) technologies are expected to be a key enabler for lightweight and cost-effective direct-drive (DD) trains for large wind turbines. This paper reports the designing and basic experimental validation of…
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Bending of CORC<sup>®</sup> cables and wires: finite element parametric study and experimental validation Open
A conductor on round core (CORC (R)) cable is composed of several layers of helically wound high-temperature superconducting (HTS) tapes on a round core with the winding direction reversed in each successive layer. The cable is flexible bu…
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Fiber optic quench detection for large-scale HTS magnets demonstrated on VIPER cable during high-fidelity testing at the SULTAN facility Open
Fiber-optic thermometry has the potential to provide rapid and reliable quench detection for emerging large-scale, high-field superconducting magnets fabricated with high-temperature-superconductor (HTS) cables. Developing non-voltage-base…
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The High Luminosity LHC interaction region magnets towards series production Open
The High Luminosity Large Hadron Collider (HL-LHC) is the new flagship project of CERN. First endorsed in 2013 and approved in 2016, HL-LHC is an upgrade of the accelerator aiming to increase by a factor of ten the statistics of the LHC co…
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Superconducting motors for aircraft propulsion: the Advanced Superconducting Motor Experimental Demonstrator project Open
The European Union-funded Advanced Superconducting Motor Experimental Demonstrator (ASuMED) project started in May 2017 with the purpose of demonstrating the benefits of a new, fully superconducting motor for reaching the targets establish…
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Technical Proposal for FASER: ForwArd Search ExpeRiment at the LHC Open
FASER is a proposed small and inexpensive experiment designed to search for light, weakly-interacting particles during Run 3 of the LHC from 2021-23. Such particles may be produced in large numbers along the beam collision axis, travel for…