Articles tagged with Superconductivity
A team of researchers has found that nonmagnetic impurities can help reveal Majorana zero modes, a promising building block for quantum computing. By shifting energy levels, these impurities make the mode's spectral peak more distinct, allowing clearer detection.
Researchers at Chalmers University of Technology have developed a new material design that enables superconductivity to operate at higher temperatures and withstand strong magnetic fields. This breakthrough could pave the way for far more energy-efficient electronics and quantum technologies.
Researchers achieved a transition temperature of 151 Kelvin, setting the stage for future advancements in superconductivity. The breakthrough could lead to more efficient ways to generate, transmit, and store energy, conserving billions of dollars in savings and reducing environmental impacts.
An international team of researchers calls for a coordinated effort to find room temperature superconductors, which could revolutionize technology and everyday life. The team proposes a strategy to systematically search for materials and manipulate their properties using advanced techniques.
Researchers from Tokyo Metropolitan University have discovered a hydrogen-absorbing material with negative thermal expansion properties, which can be tuned by adjusting the amount of hydrogen. This finding promises custom high-precision ingredients for precision nanotechnology, addressing volume changes in materials under heating.
Scientists at Columbia University have experimentally confirmed that quantum fluctuations in a 2D material can alter the properties of a nearby crystal. The team placed a nanometer-sized flake of hexagonal Boron nitride on top of a superconducting material, where the vibrations matched and interacted, suppressing superconductivity.
Venkat Selvamanickam, a University of Houston engineering professor, has been recognized by the National Academy of Engineering for his contributions to industrial-scale advanced manufacturing processes for high-temperature superconductor wires. His work has transformed the energy industry and modernized electric grids, strengthening e...
Physicists have developed a new terahertz microscope that allows them to observe quantum vibrations in superconducting materials for the first time. The microscope enables researchers to study properties that could lead to room-temperature superconductors and identify materials that emit and receive terahertz radiation.
Researchers from TU Wien have provided a surprising explanation for the long-standing relation between magnetism and superconductivity in quantum materials. Altermagnetism, an unusual form of magnetism, is found to be experimentally observable in certain materials when superconductivity sets in.
Researchers used causal AI to extract insights from ARPES data of cesium vanadium antimonide, a kagome superconducting material. The technology revealed that the chemical bonding state of cesium atoms strongly influences the electronic state of the V3Sb5 layer, responsible for superconductivity.
Theoretical physicists at MIT propose that under certain conditions, magnetic material’s electrons could form quasiparticles called “anyons” that can flow together without friction. If confirmed, it would introduce a new form of superconductivity persisting in the presence of magnetism.
Researchers at RIKEN Center for Emergent Matter Science have created a new superconducting thin film from iron telluride, suitable for quantum computing applications. The film's unique crystal structure, resulting from intentional misalignment of atomic layers, reduces lattice distortion and enables low-temperature superconductivity.
Two University of Houston scientists, Zhifeng Ren and Yan Yao, have been named Highly Cited Researchers by Clarivate's program for their significant scientific influence in energy research. Their work has led to transformative discoveries and innovations in superconductivity and energy storage.
Researchers at FAMU-FSU College of Engineering have developed a design that uses multiple strands of superconducting tape to create a cable, minimizing the chance of failure from defective spots within a wire. This technology helps solve engineering and manufacturing challenges for manufacturers and could lead to more efficient and les...
A team of scientists measured the energy of charge carrier pairs in undoped La₂CuO₄ and found that the interaction energies within the potentially superconducting copper oxide layers are significantly lower than those in insulating lanthanum oxide layers. This discovery contributes to a better understanding of high-temperature supercon...
Researchers have discovered new evidence of unconventional superconductivity in magic-angle twisted tri-layer graphene, a material that exhibits exotic electronic behavior. The team found that the material's superconducting gap looks very different from typical superconductors, suggesting a unique mechanism for its emergence.
Researchers have developed a topological insulator that exhibits the Quantum Spin Hall Effect even at significantly higher temperatures than previous materials. This breakthrough paves the way for the creation of energy-efficient and powerful devices, with potential applications in established semiconductor technology.
A team of researchers from Yokohama National University has developed a novel compact superconductive neuron device that operates at high speeds with ultra-low power consumption. The device eliminates variation in elemental circuit characteristics, achieving ideal input-output characteristics and resolving the vanishing gradient problem.
A new study by MIT researchers evaluates the scale-up potential of over 16,000 quantum materials, finding that those with high quantum fluctuation in electrons tend to be more expensive and environmentally damaging. The team identified promising candidates with an optimal balance between quantum functionality and sustainability for fur...
Researchers at the Niels Bohr Institute created an intermediate state between superconductor and total insulation by controlling quantum fluctuations in tiny superconducting islands. This 'anomalous metallic regime' is a crucial step toward more controllable and reliable quantum devices.
The PLD-REBCO industry has seen rapid development thanks to commercial compact fusion, enabling mass production of high-performance REBCO tapes with excellent in-field performance. However, challenges remain, including reducing costs and improving scalability, which require closer collaboration between industry and academia.
Researchers developed a refined analytical computational model for electromagnetic forces in HTS maglev systems, offering fast computation speed and clear parameter relationships. This enables comprehensive optimization and enhancement of the levitation system, reducing reliance on rare-earth permanent magnets.
Researchers have discovered a way to control double-dome superconductivity in twisted trilayer graphene by tuning the material's band structure. The study sheds light on how unconventional superconductivity emerges and can be tuned, opening up possibilities for designing quantum devices.
Researchers propose a self-doped molecular Mott insulator model for La3Ni2O7, connecting strong correlations and interlayer coupling to its superconducting properties. The material's unique bilayer structure leads to localized atomic orbitals forming symmetric and antisymmetric molecular orbitals.
Researchers have uncovered the three-dimensional electronic structure of LiV₂O₄, revealing a flat band and electron-like dispersion. The findings suggest strong correlations, Hund's coupling, and frustrated lattice geometry contribute to the heavy fermion state.
Durham University scientists have completed one of the largest quality verification programmes on superconducting materials for the world's biggest fusion energy experiment ITER. Their findings shed light on the quality of wires and how to test them, providing crucial knowledge for scientists to make fusion energy a reality. The resear...
Scientists at Penn State developed a new method to predict superconducting materials using density functional theory and zentropy theory, potentially leading to discovery of new superconductors at higher temperatures. The approach successfully predicted signs of superconductivity in conventional and high-temperature superconductors.
Researchers mapped the angular dependence of a high-field superconducting state in UTe2, revealing a toroidal halo surrounding a specific crystalline axis. A theoretical model developed by Andriy Nevidomskyy successfully reproduced the nonmonotonic behavior, attributing it to Cooper pairs carrying intrinsic angular momentum
Researchers developed the Su-Schrieffer-Heeger-Hubbard model, integrating electron-phonon coupling with Hubbard interactions to explain d-wave high-Tc superconductivity. The study reveals intricate competition among s-wave and d-wave superconductivities and stripe charge-density order.
A Bar-Ilan University research team has discovered a mechanism behind abrupt transitions in complex systems, revealing how tiny changes can trigger global collapses. By monitoring the branching factor, they may predict when a system is nearing a critical breakdown.
Researchers discovered two-band superconductivity in rhombohedral ZrNCl, exceeding previous reports, and found a large diffusivity ratio suggesting weaker intraband scattering. The material exhibits bulk superconductivity with strong vortex pinning and decoupled rotational symmetry.
Researchers at the Niels Bohr Institute have created a novel pathway to study elusive quantum states in superconducting vortices. They designed a tiny superconducting cylinder and applied magnetic flux to mimic the essential physics, allowing them to study these states on their own terms.
A research team at Rice University has developed a new material, known as a Kramers nodal line metal, with novel electronic properties that could enable more powerful and energy-efficient electronic devices. The material demonstrates superconducting properties and the ability to carry electricity without energy loss.
A team led by Junichi Shiogai successfully observes the superconducting diode effect in an Fe(Se,Te)/FeTe heterostructure, exhibiting rectification under various temperature and magnetic fields. This breakthrough paves the way for ultra-low energy electronics built from superconductors.
Researchers at MIT have captured the first images of individual atoms freely interacting in space, visualizing never-before-seen quantum phenomena. The technique allows scientists to directly observe correlations among 'bosons' and fermions, shedding light on their behavior and interactions.
Researchers have observed the interactions between electrons and a unique atomic vibration in twisted graphene, called a 'phason', for the first time. The Quantum Twisting Microscope has provided unprecedented insight into electron-phonon dynamics, shedding new light on superconductivity and 'strange metallicity'.
Researchers observed spatial periodic modulations of superconducting order parameters within a single unit cell, revealing the breaking of glide-mirror symmetry and essential role of chalcogen atoms in local Cooper pairing. This discovery provides microscopic insights into unconventional Cooper pairing on the sub-unit-cell scale.
Researchers from RIKEN Center for Emergent Matter Science have discovered a groundbreaking way to control superconductivity by adjusting the twist angle of atomically thin layers. This allows for fine-tuning of the superconducting gap, which is crucial for optimizing Cooper pair behavior and developing high-functionality quantum device...
Scientists at the University of Rochester have discovered a way to create artificial atoms within twisted monolayers of molybdenum diselenide, retaining information when activated by light. This breakthrough could lead to new types of quantum devices, such as memory or nodes in a quantum network.
The Global Physics Summit will feature nearly 1,200 sessions and 14,000 presentations on various topics, including astrophysics, climate science, medicine, and quantum information. Registered journalists and public information officers will receive daily emails with meeting information.
Discounted hotel rates available at select hotels near the Anaheim Convention Center. The Global Physics Summit will feature nearly 14,000 individual presentations on new research in various fields.
Researchers at the University of Houston have achieved a major milestone in finding superconductors that work in everyday conditions. By stabilizing high-pressure-induced superconducting states at ambient pressure, they have opened up new avenues for fundamental research and practical applications.
Researchers used advanced X-ray techniques to study infinite-layer nickelates, a promising family of high-temperature superconductors. They found that magnetic fluctuations and spin excitations are present in these materials, regardless of the presence of a capping layer.
The American Physical Society's joint March Meeting and April Meeting will convene more than 14,000 physicists from around the world to present new research in various fields. The conference will be held in person in Anaheim, California and online everywhere March 16-21.
A UIC graduate student has proposed three promising new designs for superconducting materials that could achieve high-temperature superconductivity at room temperature. The designs were published in the Proceedings of the National Academy of Sciences and demonstrate properties needed for very high-temperature superconductivity.
Scientists at the Paul Scherrer Institute have found a quantum phenomenon known as time-reversal symmetry breaking occurring at the surface of the Kagome superconductor RbV₃Sb₅ at temperatures up to 175 K. This discovery sets a new record for the temperature at which this phenomenon is observed among Kagome systems.
A team of researchers has developed a new way to study disorder in superconductors using terahertz pulses of light. They observed that the disorder in superconducting transport was significantly lower than previously thought, with stability up to 70% of the transition temperature.
Researchers have discovered that photo-excited YBa2Cu3O6.48 expels a static magnetic field from its interior, comparable to equilibrium superconductivity. This finding suggests that tailored light pulses can be used to synchronize fluctuating states and restore superconducting order at higher temperatures.
A team of researchers has discovered a long-range charge-density wave order in a high-temperature superconductor induced by tensile-compressive strain, challenging conventional beliefs about magnetism as the primary driver. The findings have immense promise for elucidating the underlying mechanisms of high-temperature superconductivity.
Researchers have discovered unusual transport phenomena in ultra-clean SrVO3 samples, contradicting long-standing scientific consensus. The study's findings challenge theoretical models of electron correlation effects and offer insights into the behavior of transparent metals.
New approach uses calculation to predict band convergence in materials, allowing for rapid creation of high-performance thermoelectric devices. The method enables elimination of unnecessary possibilities, increasing efficiency and reducing false starts.
Wang Jian's group and collaborators have discovered charge-4e and charge-6e superconducting states in CsV3Sb5 ring devices, marking the first experimental observation of multi-charge superconductivity. These findings open up new perspectives for exploring novel multiple-fermion states.
Researchers at the University of California San Diego developed superconducting loops that can demonstrate associative memory, allowing computers to remember relationships between unrelated items. The technology has significant power savings, with a million times less energy requirement than traditional computing architecture.
Researchers at Tokyo Metropolitan University have developed a novel approach to create nanoscrolls with improved control over nanostructure. The team achieved tight rolls with scrolls up to five nanometers in diameter and multiple microns in length, opening doors for new applications in catalysis and photovoltaic devices.
Rice physicists find that a 'strange metal' quantum material exhibits greatly suppressed shot noise, suggesting unconventional charge transport mechanisms. The study provides direct empirical evidence for the idea that electricity may flow through strange metals in an unusual liquidlike form.
Researchers at NIST built a superconducting camera containing 400,000 pixels to capture weak light signals. The new device enables applications in science and biomedical research by having more pixels than any other device of its type.
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.
Researchers at MIT have developed a novel superconducting qubit architecture that can perform operations between qubits with high accuracy, exceeding 99.9% for two-qubit gates and 99.99% for single-qubit gates. The new design utilizes fluxonium qubits, which have longer lifespans than traditional transmon qubits.
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 North Carolina State University have successfully grown high-quality thin films of the recently discovered superconductor material KTaO3. The researchers found that the material retains its superconducting properties even when exposed to extremely high magnetic fields.