Articles tagged with Superconduction
Researchers from Jefferson Lab, imec, and Cornell University collaborate to develop ultra-energy-efficient Superconducting Digital electronics for emerging AI and quantum computing technologies. The project aims to improve energy efficiency by 100X and enable both classical and quantum computing.
Researchers have observed a first-order structural transition in the impurity phase of cuprous sulfide, providing evidence that LK-99 is non-superconducting. This finding disproves previous claims of room temperature superconductivity and has significant implications for technology.
Researchers at NICT developed a novel structure for superconducting strip photon detectors, achieving high performance and polarization independence. The new technology enables the creation of wider strips, increasing productivity and reducing fabrication costs.
Scientists at Max Planck Institute for the Structure and Dynamics of Matter discovered a way to create a superconducting-like state in K3C60 using laser light. By tuning the laser frequency, they reduced pulse intensity by a factor of 100 while maintaining high temperatures.
The University of Houston has received $5 million in DOE funding to develop high-performance superconducting tapes. The project aims to improve manufacturing efficiency and reduce costs, enabling the technology's widespread adoption in clean energy applications.
Researchers add graphene to Bi-2223 superconductors, increasing critical current density and improving phase formation. The findings suggest potential applications in various fields, including power generation, transportation, and quantum computing.
Researchers at Nagoya University developed a niobium waveguide that enhances high-precision communications for Beyond 5G/6G networks. The waveguide's conductivity improves with cooling, reducing losses and increasing data transmission accuracy.
A team of researchers reviewed the superconducting diode effect, which enables dissipationless supercurrent flow in one direction. The study highlights potential applications for quantum technologies in both classical and quantum computing.
The researchers discovered the van Hove singularity (VHS) in CsV3-xTaxSb5 at the Fermi level, which contributes to superconductivity. The VHS position is strongly correlated with the superconducting transition temperature, revealing its feasibility for enhanced superconductivity in kagome superconductors.
Researchers have identified a mechanism explaining the characteristic properties of strange metals, which operate outside normal rules of electricity. The theory combines two properties: electron entanglement and nonuniform atomic arrangement, resulting in electrical resistance.
Researchers identified a new theoretical framework for oscillating superconductivity, which could revolutionize electricity transfer. The discovery provides insight into an unconventional, high-temperature superconductive state seen in certain materials.
A research team at USTC has achieved a new record high superconducting transition temperature of 36 K in elemental materials under high pressure. The study reveals that the structure of Scandium plays a crucial role in its high Tc, which is closely related to its phase diagram at high pressures.
Scientists at Peking University have discovered a pair density wave state in a two-dimensional high-Temperature superconductor, which is a new 2D platform to investigate the PDW in unconventional superconductors. The discovery provides compelling evidence of the existence of PDW order in the 2D iron-based high-temperature superconductor.
Researchers designed two new types of superconductivity by depositing chromium atoms on a superconducting niobium surface, confirming theoretical predictions. This method enables the creation of two-dimensional superconductors with atomic precision.
Researchers at Cornell University have discovered and visualized a crystalline yet superconducting state in Uranium Ditelluride (UTe2), a previously unknown state of topological quantum matter. This 'spin-triplet electron-pair crystal' exhibits a new form of electronic quantum matter called Cooper-pair density waves.
Researchers at MIT have taken the first direct images of fermion pairs in a cloud of atoms, shedding light on how electrons form superconducting pairs that glide through materials without friction. The observations provide a visual blueprint for how electrons may pair up in superconducting materials.
Scientists at University College Cork have discovered a spatially modulating superconducting state in UTe2, a new and unusual superconductor that may provide a solution to one of quantum computing's greatest challenges. This discovery has significant consequences for the future of computing.
Researchers found that iron selenide undergoes a collective shift in orbital energy during the nematic transition, rather than coordinated spin shifts. This discovery opens up new avenues for discovering unconventional superconductors and improving existing materials.
An international team of scientists has successfully measured the electron spin in matter for the first time using kagome materials. The results could revolutionize the study of quantum materials, with potential applications in renewable energy, biomedicine, electronics, and quantum computing.
Japanese researchers develop improved ternary superconductor bulks from liquid sources, demonstrating enhanced performance and microstructural analysis shows significant reductions in secondary phase particle size. The findings have huge potential for applications in magnetic levitation, electric motors, and energy systems.
A new kind of superconducting vortex has been found, dividing the magnetic flux into a wider range of values than previously thought. This discovery challenges the prevailing understanding of superconductivity and potentially opens up new possibilities for superconducting electronics.
Researchers used x-ray photoelectron spectroscopy to study the chemical profile of tantalum surface oxides, revealing different kinds of tantalum oxides at the surface. This discovery prompted a new set of questions on modifying interfaces to improve device performance and minimizing loss.
Shreyas Balachandran has developed a new niobium-tantalum-hafnium alloy and is experimenting with Nb3Sn, which could eliminate the need for massive cryogenic refrigeration facilities in high-energy accelerators. His work focuses on improving the performance of superconducting radiofrequency (SRF) materials.
Researchers have found a new superconducting state in an Ising superconductor, which can resist magnetic fields and has the potential to control devices such as transistors. The discovery, published in Nature, was made possible by creating a device that can switch between different protection modes using an electric field.
Entangling low-energy microwave with high-energy optical photons is a crucial step to overcome challenges in scaling up existing quantum hardware. The achievement has implications for realizing interconnects to other quantum computing platforms and novel quantum-enhanced remote sensing applications.
Researchers at Purdue University have discovered that superconductive images are actually 3D and disorder-driven fractals. The team used fractal mathematics to characterize the shapes of electrons in a cuprate high-temperature superconductor, revealing patterns that challenge current understanding of quantum materials.
Researchers have discovered a new phase of liquid magnetism in layered helical magnets, where magnetic dipoles behave like 'flattened puddles' with varying alignment between layers. This phenomenon, predicted by a computational model, may explain the unusual electronic behavior observed in these materials.
Scientists create high-performance bulk magnesium diboride superconducting magnets with low-cost technique, exhibiting good critical current density and trapped magnetic field. The work paves the way for commercialization of MgB2 superconducting magnets.
Researchers have developed a proof of concept for a superconducting highway that can transport vehicles and electricity, leveraging liquid hydrogen cooling to address the challenge of low-temperature superconductor operation. The system enables speeds of at least 400 miles per hour and integrates multiple uses, making it more affordable.
Researchers have found a material, palladium, that is optimally suited for creating superconductors with high transition temperatures. This discovery has the potential to revolutionize electricity generation and transportation by enabling materials to conduct electricity without loss at normal room temperature and atmospheric pressure.
Researchers at the University of Bath are developing a new power system for zero-emissions electric aircraft using liquid hydrogen fuel. The project aims to create a reliable and efficient superconducting DC distribution network, reducing environmental impact and noise in air travel.
Researchers discovered a way to translate quantum information between different quantum technologies using atoms and lasers. The technology allows the transfer of quantum information from microwave photons to optical photons, enabling long-distance connections between quantum computers.
Researchers developed a platform to study superconducting magnetic detection and phase transitions under high pressure using silicon vacancy defects. They successfully detected pressure-induced magnetic phase transitions in rare-earth magnets and measured the critical temperature-pressure diagram of a superconductor.
A team from UNIGE and ID Quantique has developed single-photon detectors that can generate secret keys at a rate of 64 megabits per second, overcoming current limitations. This innovation enables ultra-secure data transfer for banks, healthcare systems, governments, and the military.
Scientists at RMIT University and partner organisation confirm electric control of superconductivity and giant anomalous Hall effect in the kagome metal CsV₃Sb₅. Proton intercalation modulates carrier density, allowing for tuning of Fermi surfaces and potentially realizing exotic quantum phase transitions.
The Vertical Test Area at Jefferson Lab achieved a record-breaking 470 superconducting radiofrequency accelerator cavity tests in 2022, driven by improvements made by operations engineer Justin Kent. This milestone demonstrates the facility's versatility and commitment to supporting cutting-edge research.
Scientists identify quantum geometry as the key to twisted bilayer graphene's superconducting properties. The discovery reveals that electron movement slows down dramatically near the magic angle, but still allows for electricity conduction.
Philip J.W. Moll's ERC Consolidator Grant aims to engineer electronic interactions within a single material, exploring new paradigms for interfaces between two regions of different electronic behaviors, such as superconductivity and magnetism.
Researchers at MIT have discovered a way to switch graphene's superconductivity on and off with short electric pulses, opening up new possibilities for ultrafast brain-inspired electronics. This discovery could lead to energy-efficient superconducting transistors for neuromorphic devices.
Researchers have developed a novel type of analogue quantum computer that can tackle hard physics problems beyond current digital capabilities. The new Quantum Simulator architecture uses hybrid metal-semiconductor components to simulate quantum materials and behaviors.
Researchers have developed a new detector that can precisely measure single photons at very high rates, enabling practical high-speed quantum communication. The PEACOQ detector is made of superconducting nanowires and operates at extremely cold temperatures, allowing for precise measurement of photon arrival times.
A team of researchers from Japan has developed a single purely organic neutral molecule with an incomplete oxidation state for the first time. The new molecule exhibits multi-step phase transitions and crossover caused by intra- and intermolecular electronic interactions, leading to unique strongly correlated electron properties.
Scientists have discovered a quadratic relationship between the coefficient of T-linear resistivity and transition temperature in FeSe, indicating that spin fluctuations may play a common role in unconventional superconductors. This finding provides insight into high-temperature superconductivity.
Physicists at the University of Innsbruck have demonstrated a new nonlinear cooling method, allowing massive objects to be cooled to nearly absolute zero. This breakthrough enables the observation of quantum effects on macroscopic objects, paving the way for highly sensitive quantum sensors.
Researchers at Bar-Ilan University have successfully developed superconducting flux qubits with unprecedented long and reproducible coherence times, overcoming a significant hurdle in solving scalability problems. This breakthrough enables the potential applications of quantum hybrid circuits and quantum computation.
Researchers have developed a quantum computing architecture that enables directional photon emission, the first step toward extensible quantum interconnects. This breakthrough enables the creation of larger-scale devices by linking multiple processing modules along a common waveguide.
Researchers at EPFL's School of Basic Sciences created a large-scale, configurable superconducting circuit optomechanical lattice to simulate graphene lattices. The device exhibits non-trivial topological edge states and can be used to study many-body physics.
A new tabletop coherent source has been developed that spans seven optical octaves and features a spectral brightness up to five orders of magnitude higher than the brightest synchrotrons. This breakthrough enables various strong field, ultrafast, and molecular spectroscopy applications.
Researchers at Penn State have created a two-dimensional heterostructure by combining a topological insulator with a monolayer superconductor, demonstrating topological superconductivity and Ising-type superconductivity. The hybrid structure could pave the way for more stable quantum computers and explore Majorana fermions.
Researchers have successfully prepared highly dense superconducting bulk magnesium diboride with a high current density using an unconventional spark plasma sintering method. The material exhibits excellent superconducting properties, including a high critical current density of up to 6.75 x 10^5 ampere/cm^2 at -253°C.
Physicists at the University of Groningen have observed a significant increase in magnon conductivity in ultrathin YIG films, surpassing expectations by three orders of magnitude. This unexpected result could lead to new devices and discoveries in spintronics.
Researchers at the University of Oxford have made a groundbreaking discovery that sheds light on the atomic mechanism behind high-temperature superconductors. The study reveals that copper pairs are held together by magnetic interactions in high-temperature superconductors, rather than thermal vibrations.
Researchers at Shibaura Institute of Technology developed an optimized recipe to retain superconductivity in bulk MgB2 by enhancing its critical current density. By combining sintering conditions with controlled addition of nanometer-sized amorphous boron and dysprosium oxide, the team achieved a superior critical current density.
Researchers develop a quantum scale heat pump using photons, amplifying cold signals and cooling hot photons. This device enables closer measurement of hard-to-detect frequencies, including those used in dark matter hunts.
Researchers at Brown University achieved a zero-field superconducting diode effect in small-twist-angle trilayer graphene, enabling lossless current flow. The discovery confirms theoretical assumptions and paves the way for future quantum electronics applications.
An international research team led by the University of Göttingen has discovered unexpected quantum effects in naturally occurring double-layer graphene. The study reveals a variety of complex quantum phases emerging at temperatures near absolute zero, including magnetic behavior without external influence.
Brazilian researchers used computer simulations to investigate the superconducting behavior of a dimolybdenum nitride monolayer, finding that it became superconductive at relatively high temperatures and showed strong correlation with strain applied.
The team, led by Elena Hassinger, observed the angle dependence of magnetic field needed to suppress superconductivity in CeRh2As2. The high-field state disappears quickly when turned away from the initial axis, confirming the expected behavior for odd-parity superconductor.
A University of Minnesota-led team discovered how subtle structural changes in strontium titanate alter the material's electrical resistance and superconducting properties. The research found that small changes in electron concentrations directly impact the material's conductivity.
A large-scale collaboration has uncovered how charge order and superconductivity interact at the nanoscale, enabling new insights into high-temperature superconductor dynamics. The study aims to develop a framework for understanding how these materials emerge, with potential applications in energy and telecommunication systems.