A team of physicists at TUM has developed a coil with superconducting wires capable of transmitting power in the order of more than five kilowatts without significant loss. The researchers optimized the distance between individual windings to achieve a higher power density, paving the way for exciting application areas such as industri...
SourceTechnical University of Munich (TUM)·JournalIEEE Transactions on Applied Superconductivity·DateMar 11, 2021
Carbon nanotubes have been engineered to produce moiré patterns, which could enhance material properties. The researchers' breakthrough has significant implications for the development of superconducting materials with improved performance.
SourceUniversity of Tokyo·JournalNature Communications·DateMar 10, 2021
Researchers discovered that twisted graphene at a 1.1-degree angle produces superconductivity, allowing for efficient electricity transport without resistance. The magic angle creates a moiré effect, trapping electrons and phonons in domains that enable superconducting properties.
SourceUniversité catholique de Louvain·JournalNature·DateFeb 23, 2021
Scientists at US national laboratories develop a new state-of-the-art half-meter-long prototype magnet that meets requirements for use in existing and future light source facilities. The design offers nearly twice the current capacity with a higher magnetic field, enabling significant improvements in efficiency and cost savings.
SourceDOE/Fermi National Accelerator Laboratory·DateJan 28, 2021
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Researchers have successfully fabricated superconducting nanowires using DNA origami, allowing for precise addressability and potential applications in nanoelectronics and novel devices. The technique reduces resistance by 90% at low temperatures, enabling the creation of 3D superconducting architectures.
SourceAmerican Institute of Physics·JournalAIP Advances·DateJan 19, 2021
A team of scientists from Shibaura Institute of Technology developed a cost-effective method to enhance the properties of magnesium diboride superconductors using ultrasonication. This approach resulted in a higher critical current density, making bulk MgB2 more accessible and simpler to fabricate.
Researchers from Russia, China, and the US have synthesized a new superconducting compound, BaH12, with an unusually high hydrogen content. The compound exhibits room-temperature superconductivity due to its molecular structure, marking significant progress in understanding potential room-temperature superconductors.
SourceSkolkovo Institute of Science and Technology (Skoltech)·JournalNature Communications·DateJan 12, 2021
Researchers at Tokyo Metropolitan University have designed a new superconductor using high entropy alloys, preserving zero resistivity under extreme pressures. The new compound, Co0.2 Ni0.1 Cu0.1 Rh0.3 Ir0.3 Zr2, has a superconducting transition at 8K, offering a relatively high temperature for an HEA-type superconductor.
SourceTokyo Metropolitan University·JournalMaterials Research Letters·DateJan 9, 2021
Researchers at PPPL and Commonwealth Fusion Systems successfully simulated particle confinement in the SPARC tokamak device, crucial for achieving commercial fusion energy. The study predicts well-confined alpha particles will minimize damage to the facility, paving the way for plasma self-heating and improved techniques for control.
SourceDOE/Princeton Plasma Physics Laboratory·JournalJournal of Plasma Physics·DateDec 30, 2020
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Researchers at Tokyo Tech discovered a 'quantum liquid state' of quantum vortices causing the anomalous metallic state, emerging from quantum criticality. This finding clarifies the nature of the superconductor-insulator transition in 2D superconductors and holds promise for designing next-generation superconducting devices.
SourceTokyo Institute of Technology·JournalPhysical Review Letters·DateDec 14, 2020
Jefferson Lab has shipped the final new section of accelerator, called a cryomodule, for an upgrade of the Linac Coherent Light Source (LCLS) at SLAC National Accelerator Laboratory. The upgraded machine will accelerate electrons at superconducting temperatures to generate 1 million X-ray laser pulses per second.
SourceDOE/Thomas Jefferson National Accelerator Facility·DateNov 20, 2020
Researchers at NIST have developed a miniature thermometer that can measure temperatures below 1 Kelvin, enabling faster and more accurate measurements of chip-scale devices in quantum computing and other fields. The new thermometer is smaller, faster, and more convenient than conventional cryogenic thermometers.
SourceNational Institute of Standards and Technology (NIST)·JournalApplied Physics Letters·DateNov 17, 2020
Scientists have demonstrated a novel material that exhibits superconductivity in the form of a Bose-Einstein condensate (BEC), bridging a gap between two previously thought incompatible methods. This breakthrough could lead to new understanding and applications of superconduction, including potentially room-temperature devices.
SourceUniversity of Tokyo·JournalScience Advances·DateNov 6, 2020
Rochester researchers have created a new type of superconducting material that can conduct electricity without resistance at room temperature. This discovery opens the door to potential applications in power grids, levitated trains, medical imaging, and electronic devices.
SourceUniversity of Rochester·JournalNature·DateOct 14, 2020
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A team of Cornell researchers led by Brad Ramshaw discovered a possible third type of superconductor called g-wave. They used resonant ultrasound spectroscopy to study the material's symmetry properties and found that it is a two-component superconductor with no electrical resistance. This discovery could lead to major breakthroughs in...
SourceCornell University·JournalNature Physics·DateSep 21, 2020
Researchers at NICT have developed a new superconducting hot electron bolometer mixer (HEBM) using magnetic materials, achieving low noise performance of about 570 K and wide IF bandwidth of 6.9 GHz at 2 THz frequency range.
SourceNational Institute of Information and Communications Technology (NICT)·DateSep 18, 2020
Scientists have introduced a new finding about hydrogen sulfide, producing superconducting structures at relatively high temperatures. The discovery uses stoichiometric H3S produced by heating elemental sulfur with excess hydrogen under pressure.
SourceWiley·JournalAngewandte Chemie International Edition·DateSep 14, 2020
A $1.5 million project aims to reduce the cost of high-temperature superconductors by a factor of 30, enabling the widespread adoption of fusion energy as an on-demand, emissions-free source of power
Scientists have successfully moved electrons in an organic superconductor by irradiation of ultrashort laser pulses, generating a polarized net current. The observed effect is attributed to scattering-free current, sensitive to superconducting fluctuations, with potential applications in ultra-fast computing and understanding microscop...
SourceNational Institutes of Natural Sciences·JournalNature Communications·DateSep 4, 2020
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Researchers at UArizona are working with a $115 million federal program to develop a quantum computer and sensors for discoveries about dark matter. The center aims to overcome qubit decoherence, enabling more powerful computing and sensing applications.
SourceUniversity of Arizona College of Engineering·DateSep 3, 2020
Researchers at Peking University discovered a new type of superconductor that remains stable in ambient conditions, exhibiting large critical magnetic fields and strong spin-orbit coupling. This macro-size system with out-of-plane spin polarization has great potential for superconducting electronic and spintronic applications.
SourcePeking University·JournalNano Letters·DateSep 2, 2020
Scientists have proposed a method to classify topological superconducting phases by examining the compatibility between different Majorana zero modes. They found new TSC phases characterized by Zh invariant in C4zT case and Zh Π Zc invariant in C6zT case, which can coexist with helical and chiral MZMs.
SourceScience China Press·JournalNational Science Review·DateAug 27, 2020
Researchers at MIT have found that cosmic rays and low-level environmental radiation can cause decoherence in superconducting qubits, limiting their performance. This effect could limit the practicality of quantum computing within a few years, prompting scientists to explore shielding or design improvements.
SourceMassachusetts Institute of Technology·JournalNature·DateAug 26, 2020
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A multidisciplinary research team found that low-level ionizing radiation degrades superconducting qubit performance. To maintain coherence and achieve practical quantum computing, radiation shielding will be necessary. Researchers emphasize the need to exclude radiation-emitting materials and consider underground experimental setups.
SourceDOE/Pacific Northwest National Laboratory·JournalNature·DateAug 26, 2020
The team created a new routing algorithm that allows qubits to directly interact with many more qubits, giving rise to higher expected computational power. This approach outperforms the 'superconducting' devices in calculating the expected computational power.
SourceUniversity of Sussex·JournalAdvanced Quantum Technologies·DateAug 24, 2020
Yale physicists have developed an error-correcting cat, a quantum device that encodes information in a single physical system to suppress phase flips. The device uses a clever way to encode information, allowing it to prevent errors and correct them on command.
Researchers exactly solve a representative model of the cuprate problem, explaining Cooper pairing and wave function for superconducting state in doped Mott insulators. The solution reveals that superconductivity exists and its properties differ drastically from standard BCS theory.
SourceUniversity of Illinois Grainger College of Engineering·JournalNature Physics·DateJul 29, 2020
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Scientists discover magic-angle graphene can behave like an insulator or a superconductor at the same time, sparking new research on the material's physics. The study reveals that the insulating and superconducting phases may compete with each other, rather than being directly related.
SourceICFO-The Institute of Photonic Sciences·JournalNature·DateJul 7, 2020
A team of researchers successfully applied topology optimization to a fusion reactor component, reducing its weight by 25%, while maintaining its strength. The superconducting coil requires a strong magnetic field and support structure to function, but this structure is extremely heavy, weighing 20 times that of the Large Helical Device.
SourceNational Institutes of Natural Sciences·DateJun 29, 2020
Researchers investigated hydrogen's role in nickelate superconductors, explaining experimental difficulties in synthesizing superconducting nickelates. Hydrogen incorporation changes material electronic properties.
SourceChinese Academy of Sciences Headquarters·JournalPhysical Review Letters·DateMay 8, 2020
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Researchers at TU Wien found that incorporated hydrogen atoms change the electrical behavior of nickelates, making them more difficult to produce. Calculations using supercomputers revealed the critical temperature range for superconductivity in these materials.
SourceVienna University of Technology·JournalPhysical Review Letters·DateApr 27, 2020
Researchers at Skoltech and MIPT have found a rule that predicts the maximum superconducting critical temperature for metal hydrides based on their electronic structure. This breakthrough allows them to predict new superconducting hydrides, including those containing two elements and hydrogen.
SourceMoscow Institute of Physics and Technology·JournalCurrent Opinion in Solid State and Materials Science·DateApr 16, 2020
Researchers at Brookhaven Lab have direct spectroscopic evidence for a pair density wave coexisting with superconductivity, revealing modulating energy gap structures and pairing of electrons. This finding may help understand the complex phase diagram of high-Tc cuprate superconductors.
SourceDOE/Brookhaven National Laboratory·JournalNature·DateApr 1, 2020
At 2-dimensional limit, researchers at Peking University detect novel zero-energy bound states resembling Majorana zero-energy bound states in interstitial Fe adatoms on high-temperature superconducting thin films. These findings exhibit characteristics of Majorana zero mode, a potential building block for topological qubit.
SourcePeking University·JournalScience Advances·DateMar 27, 2020
Scientists identify two meteorites containing minerals with superconducting properties, shedding light on the potential for natural superconductivity in space. The discovery could help explain the formation of magnetic fields in celestial objects.
SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateMar 23, 2020
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Researchers at Skoltech and Jilin University created superconducting compounds of hydrogen and praseodymium, overcoming the challenge of low-temperature superconductors. The new compounds exhibit zero electrical resistance at -264 °C, paving the way for high-temperature superconductors.
SourceSkolkovo Institute of Science and Technology (Skoltech)·JournalScience Advances·DateMar 3, 2020
Researchers at Argonne National Laboratory fabricate and test a superconducting nanowire device capable of detecting low-energy photons and operating in extreme magnetic fields. The device, made from niobium nitride, operates near absolute zero and has the potential to revolutionize nuclear physics experiments.
SourceDOE/Argonne National Laboratory·JournalNuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment·DateMar 3, 2020
Researchers at Aalto University and University of Jyvåskylä reveal the origin of graphene's superconductivity, attributing it to a subtle quantum mechanics effect. This discovery could help understand high-temperature superconductors and lead to room temperature operation.
SourceAalto University·JournalPhysical Review B·DateFeb 28, 2020
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Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.
Researchers have found a new noncentrosymmetric superconductor, CaPtAs, exhibiting unusual properties and potential for studying unconventional superconductivity. The discovery offers new opportunities to explore the effects of broken inversion symmetry on superconducting gap structure.
Researchers have discovered quasi-1D surface superconductivity in TaIrTe4, a type II Weyl semimetal. This finding offers a novel platform for exploring topological superconductors and may contribute to the development of topological quantum computation.
SourceScience China Press·JournalNational Science Review·DateFeb 25, 2020
Researchers used a new technique to study the origin of superconductivity in cuprates by overdoping a material until it disappeared. They found that purely electronic interactions likely lead to high-temperature superconductivity and that this interaction emerges exactly when superconductivity starts, strengthening as it gets stronger.
SourceDOE/Brookhaven National Laboratory·JournalNature Communications·DateFeb 3, 2020
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Researchers have discovered a new class of unconventional superconductors that exhibit a surprising 3D metallic state, unlike cuprates. This finding sheds light on how superconductivity arises and opens new directions for experiments and theoretical studies.
SourceDOE/SLAC National Accelerator Laboratory·JournalNature Materials·DateJan 21, 2020
Researchers have demonstrated the detection of Abrikosov vortices penetrating through a superconductor-ferromagnet interface using a ferromagnetic nanowire with superconducting electrodes. The device shows unusual sawtooth magnetic resistance curves and can detect vortex penetration.
SourceMoscow Institute of Physics and Technology·JournalScientific Reports·DateDec 9, 2019
A team of Princeton researchers observed a surprising quantum effect in an iron-based superconductor when cobalt atoms were added. The findings challenge Anderson's theorem and provide new insights into the behavior of unconventional materials.
SourcePrinceton University·JournalPhysical Review Letters·DateNov 21, 2019
A team of researchers has successfully tested a superconducting rotor on an active wind turbine, demonstrating the compatibility of this technology with operational environments. The achievement marks a significant step towards wider adoption of superconducting generator technology in wind turbines.
SourceIOP Publishing·JournalSuperconductor Science and Technology·DateNov 12, 2019
The Brookhaven-CFS project aims to develop breakthrough technologies for the fusion power industry, focusing on quench detection and protection systems. The team will collaborate to characterize high-temperature superconductors and test their ability to withstand damage-inducing events.
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Researchers at Moscow Institute of Physics and Technology have synthesized a new superconducting material called thorium decahydride (ThH10), which exhibits high-temperature superconductivity at 161 kelvins. This breakthrough is significant as it could lead to the development of more practical applications for superconductors.
SourceMoscow Institute of Physics and Technology·JournalMaterials Today·DateNov 7, 2019
A team of scientists has successfully synthesized a new high-temperature superconductor, thorium decahydride (ThH10), with a critical temperature of 161 K. The material exhibits outstanding high-temperature superconducting performance and pushes the boundaries of classical chemistry.
SourceSkolkovo Institute of Science and Technology (Skoltech)·JournalMaterials Today·DateNov 7, 2019
Researchers from Chinese Academy of Sciences report discovery of Pr3Cr10-xN11, a chromium-based nitride superconductor with bulk superconductivity at 5.25 K, exhibiting a large upper critical field and strong electronic correlations. The material is the first Cr-based superconductor found in Chromium Nitrides.
SourceScience China Press·JournalNational Science Review·DateNov 6, 2019
Researchers at the University of Groningen have created a new type of superconductor using suspended layers of molybdenum disulfide. The superconductivity is strongly protected against external magnetic fields, even in extremely strong static magnetic fields.
SourceUniversity of Groningen·JournalNature Nanotechnology·DateNov 4, 2019
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A new study reveals twisted bilayer graphene can exhibit superconducting and insulating regions, increasing its usefulness for electronic devices. The discovery is a significant advance in the emerging field of Twistronics, enabling the creation of materials with high-temperature superconductivity.
SourceUniversity of Texas at Austin·JournalNature·DateOct 30, 2019
Researchers from ICFO have observed a variety of previously unseen superconducting and correlated states in magic-angle graphene, including an entirely new set of magnetic and topological states. The discovery has led to a record-high superconducting transition temperature above 3 kelvin.
SourceICFO-The Institute of Photonic Sciences·JournalNature·DateOct 30, 2019
Scientists from Tokyo Metropolitan University have created a new layered superconducting material with four distinct sublayers, achieving unparalleled customizability and higher critical temperatures. By introducing different elements, they were able to raise the critical temperature from 0.5K to above 2.0K and later to 3.0K.
SourceTokyo Metropolitan University·JournalScientific Reports·DateOct 12, 2019
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Scientists have found a superconducting material, β-Bi2Pd, with properties suitable for quantum computing. This discovery may lead to the development of topological quantum computers and more powerful AI systems.
SourceJohns Hopkins University·JournalScience·DateOct 10, 2019
Researchers at EPFL's QMAT laboratory have discovered a way to produce materials with controlled superconducting regions, paving the way for new quantum technologies. By distorting atomic bonds in thin layers of CeIrIn5, scientists can create complex conducting patterns and distribute them within the material in a highly controlled way.
SourceEcole Polytechnique Fédérale de Lausanne·JournalScience·DateOct 10, 2019
The U.S. Department of Energy's Argonne National Laboratory has received $1.19 million in funding for five projects related to quantum information science (QIS). Researchers will develop ultra-sensitive detectors to detect dark matter and simulate fundamental theories on a quantum computer.
Researchers observe anomalously large superconducting gap (~3.8 meV) in thin films of β-Bi2Pd, compared to bulk single crystals with a smaller gap. First-principle calculations suggest Dirac-fermion-mediated parity mixing may cause this enhancement.
SourceScience China Press·JournalScience Bulletin·DateSep 25, 2019
Using laser pulses, researchers successfully induced superconductivity in an iron-based compound at a temperature of minus 258 degrees Celsius. This breakthrough could lead to more power-efficient devices and infrastructure if it can be scaled up to room-temperature applications.
SourceUniversity of Tokyo·JournalCommunications Physics·DateSep 25, 2019
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Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.
Researchers create magnonic crystals using ferromagnetic/superconducting systems, offering potential for compact microdevices and wave electronics. The study demonstrates the feasibility of spin-wave devices in post-silicon era electronics.
SourceMoscow Institute of Physics and Technology·JournalAdvanced Science·DateAug 21, 2019
Researchers detected a large concentration of electron pairs outside key temperature and energy ranges in a copper-oxide material, sparking hope for improving the superconducting properties of cuprates. By leveraging this knowledge, scientists may be able to enhance superconductivity by tweaking parameters or searching for other materi...
SourceDOE/Brookhaven National Laboratory·JournalNature·DateAug 21, 2019