Articles tagged with Superconductors
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Researchers at Institute of Physics Chinese Academy have discovered new zirconium polyhydrides that exhibit superconductivity with a high transition temperature (Tc) of ~71 K. The compounds can be synthesized under high pressure conditions and may lead to the discovery of new superconducting materials.
The study reveals that superconductors can transmit spin currents between magnets, allowing for controlled magnetic interactions and modifying the magnetic response. This breakthrough enables new approaches to information processing using magnetic materials at low temperatures.
A team of scientists at Argonne National Laboratory has created a new qubit platform using neon gas, freezing it into a solid and trapping a single electron. The system shows great promise as an ideal building block for future quantum computers.
Scientists at Delft University of Technology have discovered one-way superconductivity using 2D quantum materials, enabling superconducting computing and reducing energy loss. This breakthrough could lead to faster electronics, greener IT systems, and significant energy savings.
Researchers studied twisted trilayer graphene, discovering a phase diagram that decouples into product states of graphene and bilayer graphene. The system exhibits unique insulating and semi-metallic phases in the presence of an electric field.
AV3Sb5 kagome metals exhibit unusual quantum phenomena such as high-temperature superconductivity. Researchers identified four Van Hove singularities near the Fermi level, which enhance correlation effects and lead to competing orders.
Scientists have identified magic-angle twisted bilayer graphene as a promising material for high-temperature superconductivity. Researchers found that nematic order in MATBG originates from the interference between fluctuations of a novel degree-of-freedom combining valley and spin degrees.
Researchers will explore Majorana zero modes to optimize quantum computing, enabling faster calculations and more accurate processing. The goal is to create fault-tolerant topological quantum computers with long-lived storage of quantum information.
Researchers at University of Illinois discover key connection between symmetry and Mott physics, providing new insight into high-temperature superconductivity. They found that breaking a hidden symmetry destroys Fermi liquids, implying that all models of Mott insulators must break this particle-hole symmetry.
Physicist Stefan Kaiser's ERC Consolidator Grant project uses terahertz lasers to measure superconductor properties, shedding light on Cooper pairs and Higgs oscillations. The new spectroscopy method aims to characterize superconductors and discover new ones.
Researchers have found direct evidence of strong electron correlation in ABC trilayer graphene, a two-dimensional material that can switch between metal, insulator, and superconductor states. The discovery provides insight into the underlying physics driving these switchable materials.
Researchers at Cornell University discovered that magnetism is key to understanding the behavior of electrons in high-temperature superconductors. They found that at a critical point, most of the electrons in a particular region vanish, and magnetism explains this phenomenon.
Researchers discovered a phase transition from charge-density-wave order to electronic nematicity in Kagome superconductor CsV3Sb5 at 35 Kelvin. This novel nematicity has Z3 symmetry, distinct from high-temperature superconductors.
Researchers at PSI's Laboratory for Muon Spin Spectroscopy have discovered strong evidence of exotic charge order and orbital currents in a correlated kagome superconductor. The findings provide a new insight into unconventional superconductivity and its relationship with the quantum anomalous Hall effect.
Researchers found that triggering superconductivity with a laser pulse involves the same fundamental physics as stable states, suggesting new possibilities for room-temperature superconductivity. This discovery opens a new path toward producing stable devices, as previously thought unlikely.
A Korean research team has demonstrated the anisotropic superconductivity of a high-temperature superconductor by stacking twisted pieces of Bi2Sr2CaCu2O8+x using the microcleave-and-stack technique. This study confirms material properties and develops a new fabrication method for nanomaterials.
A team of researchers predicts a new hydrogen compound crystal structure that could achieve superconductivity at high temperatures. The discovery uses computer simulations to identify promising candidates, with one compound showing a transition temperature of 23.3 K at 200 GPa.
Scientists confirmed the fourth signature of superconducting transition in cuprates, revealing how electrons pair up and condense into a quantum condensate. The discovery provides a holistic picture of unconventional superconductivity and gives researchers two knobs to tune for higher temperatures.
A new graphene-based platform allows researchers to control the interaction strength between electrons and holes, enabling the formation of quantum condensates at room temperature. The platform's tunability enables testing of theoretical predictions about superconductivity and its potential for higher temperature limits.
A composite material consisting of superconducting and semiconducting materials has been discovered, enabling the integration of quantum devices into semiconductor technology. This breakthrough could lead to significant improvements in data transmission bandwidth, energy efficiency, and information security.
Physicists at Rice University have found telltale signs of antiferromagnetic spin fluctuations coupled to superconductivity in uranium ditelluride, a rare material promising fault-free quantum computing. The discovery upends the leading explanation of how this state of matter arises in the material.
Scientists at Aalto University found that Cooper pairs break in bursts with long periods of silence, and the rate of these events decreases over time. This discovery provides important clues about the source of energy that breaks Cooper pairs and could lead to improvements in superconductor devices.
Researchers at Nagoya University developed a scalable method to produce high-temperature superconductors with artificial pinning centers, improving their properties. The technique, known as grain boundary engineering, can help develop stronger, inexpensive, and high operating temperature superconductors.
Researchers identified a new crystal structure of hydrogen compounds that shows promise for high-temperature superconductivity. The discovery uses theoretical simulations to find potential candidates among ternary hydrides, which could lead to low-cost superconductive technology.
Researchers have created a material system exhibiting unusually long-range Josephson effect, enabling macroscopic quantum coherence and potential for spintronic applications. The discovery of 'triplet' superconductivity, where electrons with the same spin circulate, expands possibilities for low-power consumption devices.
Researchers created a new ultra-thin material with quantum properties emulating rare earth compounds. The material exhibits the Kondo effect, leading to macroscopically entangled state of matter producing heavy-fermion systems.
Researchers build a bridge between magnetism and superconductivity communities, highlighting the potential of curvilinear geometry to modify existing functionalities and launch new ones. The approach enables investigations into curvature effects in systems with vector and scalar order parameters.
Researchers at University of Copenhagen have developed a new quantum circuit that can operate and measure all four qubits simultaneously. This breakthrough resolves a significant engineering headache in the development of large functional quantum computers.
Scientists at Osaka Prefecture University developed a novel method for creating uniform, electrically conductive nanosheets using oil and water interfaces. The approach resulted in highly organized three-dimensional nanostructures with high electrical conductivity, offering potential applications in energy devices and sensors.
The 'strange metal' state in high-temperature superconductors exhibits a linear function of temperature, suggesting the involvement of quantum entanglement. By suppressing charge density waves, researchers were able to restore this state, expanding its range and offering a promising new avenue for research.
Researchers at TU Wien have successfully explained the electronic structure of nickelates, a new class of superconductors. By comparing theory and experiment, they determined important parameters of these materials, paving the way for improving their superconductivity at higher temperatures.
Researchers discovered a resemblance between magic graphene's superconductivity and high-temperature superconductors, shedding light on the mysterious ceramic compounds. The study provides evidence for unconventional superconductivity in magic bilayer graphene.
Researchers at KTH Royal Institute of Technology have discovered a new state of matter where electrons condense into foursomes, breaking time-reversal symmetry. The findings, published in Nature Physics, offer insights into the unusual properties of this state and its potential applications.
Researchers found that defects in both organic and inorganic perovskites cause comparable levels of recombination, but the organic molecule in hybrid perovskites actually decreases efficiency due to hydrogen loss. The study suggests all-inorganic materials have potential for outperforming hybrids.
Boston College physicists uncover novel charge density waves and symmetry-broken phases in the topological kagome metal CsV3Sb5, leading to superconductivity at low temperatures. The study reveals a 'cascade' of correlated electron states driving electrical conduction and potential implications for unconventional electron pairing.
Scientists discovered structural and surface chemistry defects in superconducting niobium qubits that may cause loss. The study pinpointed these defects using state-of-the-art characterization capabilities at the Center for Functional Nanomaterials and National Synchrotron Light Source II.
Researchers have developed ultra-thin, defect-free superconducting flakes for use in quantum computing. The twist angle of the flakes is used to modulate the maximum supercurrent, creating an extremely sensitive magnetic field sensor. This breakthrough has potential applications in healthcare and mineral exploration.
New research from Shibaura Institute of Technology reveals that spark plasma sintering produces highly dense MgB2 bulks with improved mechanical and superconducting properties. The resulting samples exhibit superior strengths and high trapped field performance, making them suitable for space applications and electric machines.
Researchers developed an all-nitride superconducting qubit using niobium nitride on a silicon substrate, achieving long coherence times of up to 22 microseconds. The breakthrough paves the way for large-scale integration and potential applications in quantum computers and nodes.
Scientists have discovered two new cerium superhydrides, CeH9 and CeH10, which exhibit superconductivity at lower pressures than previously known compounds. This breakthrough brings researchers closer to creating room-temperature superconductors with more manageable pressure conditions.
Researchers have synthesized the first 1D cuprate material that can be doped, providing systematic data to understand its behavior. The study suggests that the Hubbard model, a prominent theoretical framework, is missing a key ingredient: an unexpectedly strong attraction between neighboring electrons.
A team of researchers from Boston College has created a new metallic specimen where electron motion flows in a fluid-like manner, fundamentally changing particle-like to hydrodynamic dynamics. The discovery confirms theoretical predictions and opens up new possibilities for material exploration and potential applications.
The discovery of two-phase superconductivity in CeRh2As2 reveals the material has the highest critical magnetic field to transition temperature ratio of any known superconductor. Researchers found a clear transition between two different order parameters as the applied field is raised, leading to unique thermodynamic properties.
Researchers at Berkeley Lab and UC Berkeley capture the first direct image of quantum spin liquid particles, called spinons and chargons. The discovery advances research on quantum computing and exotic superconductivity.
Researchers at the University of Tsukuba successfully grow a Li@C60 film on a copper surface, studying its molecular orbitals and enabling transport of electrons. The new method uses a salt with a larger, less strongly bound anion to form a stable monolayer.
Researchers will develop a framework for predicting high-Tc superconductors using first-principles calculations and machine learning. The goal is to create affordable and malleable materials that could revolutionize the power industry.
Researchers at UCSB's NSF Quantum Foundry have created a new material, KV3Sb5, that exhibits unusual characteristics, including self-organized charge patterning and superconductivity. This discovery has significant implications for future quantum computing applications.
Researchers observed signs of spin-triplet superconductivity in magic-angle trilayer graphene, which resists high magnetic fields and could improve MRI technology. This exotic material's ability to persist superconducting under strong magnetic fields has the potential to revolutionize technologies like quantum computing.
Researchers have found a material that exhibits superconducting properties at extremely low temperatures, providing new insights into high-temperature superconductivity. The discovery was made by studying an unusual 'strange metal' called YbRh2Si2, which showed linear resistance and temperature relationships.
Scientists have found a material, uranium ditelluride (UTe2), that exhibits hallmarks of a topological superconductor, potentially unlocking new ways to build quantum computers. The discovery was made by researchers at the University of Maryland's Quantum Materials Center and colleagues.
Researchers propose a new method to realize Majorana zero modes in monolayer Fe(Te,Se) using an in-plane magnetic field and electric gating. The study demonstrates that the material is a promising platform for topological quantum computation with scalability and electrical tunability.
The review highlights the use of pressure as a versatile method to explore new materials and gain insight into high-temperature superconductor mechanisms. Iron-based superconductors exhibit a relatively high transition temperature, with research efforts focusing on raising this temperature through pressure-induced effects.
A researcher at the University of Tsukuba introduces a new theoretical model of high-temperature superconductivity based on the calculation of the Berry connection. This model helps explain experimental results better than the current theory and may enable lossless energy transmission.
Researchers at Diamond Light Source used Resonant Inelastic X-ray Scattering (RIXS) to study the magnetic properties of nickelate superconductors. The study revealed that these materials exhibit similar magnetic behavior to cuprates, bringing scientists closer to understanding how high-temperature superconductivity arises.
Researchers have found that nickelates exhibit antiferromagnetic interactions similar to cuprates, but with differences in magnetic excitations and doping effects. The study provides a new window into the physics of unconventional superconductors and could lead to the discovery of better materials.
Researchers demonstrate superconductivity in iron selenide crystals without applied pressure using a new pressure-quench technique. The method retains the high-temperature superconductive phase even after removing the applied pressure, bringing scientists closer to realizing room-temperature superconductivity at ambient pressure.
Researchers have successfully connected ultrathin semiconductors with superconducting contacts for the first time, enabling new quantum phenomena and potential applications in electronics. The study uses monolayer molybdenum disulfide with superconducting contacts to exhibit unique electronic properties.
Researchers at Skoltech have successfully synthesized two new ternary hydrides, LaH10 and YH10, which are expected to exhibit high-temperature superconductivity. The study reveals that alloying is an effective strategy for stabilizing these otherwise unstable phases.
A new study has disproved an experiment that claimed to discover a novel form of superconductivity in strontium ruthenate, a material that plays an important role in unconventional superconductivity. The material behaves similarly to well-known high-temperature superconductors.
A team led by M. Zahid Hasan discovered a new type of ordering in electric charge in a superconducting material with a kagome lattice structure. The researchers used advanced scanning tunneling microscopy to find evidence for topological-type charge order in AV3Sb5, a previously unknown pattern of electronic charge distribution.