Articles tagged with Superconduction
A research team has discovered a new type of superconductor by inducing an extended buckled-honeycomb-vacancy (BHV) ordering in Ir16Sb18. The superconductivity emerges when the BHV ordering is suppressed through extra atom squeezing or Rh substitution, competing with the ordered vacancy as a potential superconducting parent phase.
A research team led by Brown University physicists has found that reducing the repulsive force between electrons in magic-angle graphene makes its superconducting state more robust. This discovery provides important insights into the system's behavior and is a significant step towards understanding unconventional superconductivity.
Researchers studying an iron-based high-temperature superconductor discovered that an energy band gap opens at the intersection of two allowed energy bands on the material's surface. This unexpected electronic behavior could lead to breakthroughs in quantum computing and dissipationless electronic devices.
Researchers at the University of Science and Technology of China and Tsinghua University successfully implement a five-qubit quantum error correcting code using superconducting qubits. They achieve high fidelity logical state preparation with an average value of 98.6%, verifying the viability of experimental realization of quantum erro...
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...
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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...
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.
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.
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...
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.
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.
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.
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.
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.
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.
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.
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.
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.
Researchers investigated hydrogen's role in nickelate superconductors, explaining experimental difficulties in synthesizing superconducting nickelates. Hydrogen incorporation changes material electronic properties.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.