Articles tagged with Superconductors
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.
Scientists from Shibaura Institute of Technology in Japan have created single-crystalline bulk superconductors that can trap magnetic fields, achieving temperatures above liquid nitrogen's boiling point. This breakthrough enables low-cost production of high-performance materials for various engineering applications.
Researchers at University of Kent discover new topological superconductor LaPt3P, offering potential breakthrough in quantum computing. The material's exceptional properties make it highly desirable for building quantum computers.
Researchers created a new qubit by manipulating hole spins in a germanium layer, enabling faster processing speeds and reduced magnetic field requirements. This breakthrough could lead to the development of more efficient quantum computers combining semiconductors and superconductors.
Researchers at Lancaster University have demonstrated that the recent observation of field effect in superconductors can be explained by a simple mechanism involving electron injection. The team's findings unambiguously refute the claim of novel physics behind the phenomenon.
Researchers have discovered a high-temperature superconductor in the 2D material W2N3, with a critical temperature of 21 K. This finding has significant implications for the development of nanoscale devices and our understanding of topological properties.
Researchers observed pair-density waves (PDW) intertwined with charge density wave stripes in a copper oxide material, supporting the possibility that PDW is present in all superconducting cuprates. The new technique used to detect PDW has potential for directly sighting its correlations with other phases.
Researchers at FSU improved Bi-2212 wires' efficiency by optimizing grain alignment, enabling higher current carrying and more efficient supercurrent flow. This breakthrough has the potential to power next-generation particle accelerators.
Researchers found that electrons behave like they're confined to ultrathin layers or stripes within the material, creating 2D puddles of superconductivity. This phenomenon has practical implications for crafting 2D materials and offers an alternative method for making 2D superconducting states.
Researchers at NIMS and Osaka University have found a way to preserve superconductivity in thin films of atomic-scale thickness when exposed to strong magnetic fields. This discovery could lead to the development of superconducting materials resistant to magnetic fields, enabling topological superconductors for quantum computing applic...
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 have found spontaneous electrical currents in Sr2RuO4, a rare form of superconductivity that can't be switched off. The study used muon implantation to detect these currents, which appear when the material becomes superconducting.
Researchers at Skoltech have successfully synthesized Yttrium Hydride (YH6), a high-temperature superconductor that ranks among the top three known to date. The material exhibits superconductivity at temperatures of up to 243 K, with critical magnetic field discrepancies yet to be fully explained.
The international research network SuperGate is developing a bridging technology that combines superconductor technology with semiconductor technology. The goal is to design high-performance superconducting circuits that can be operated as if they were based on semiconductor technologies.
Researchers have successfully created a three-layered graphene structure that exhibits more robust superconductivity at higher temperatures than double-stacked graphene. The system allows for tuning of superconductivity by adjusting an externally applied electric field.
Researchers discover ultra-strongly coupled superconductivity in a trilayer graphene sandwich, exhibiting more robust superconductivity than its bilayer counterpart. The team can tune the material's superconductivity using external electric fields, opening new avenues for quantum information and sensing technologies.
Physicists Qimiao Si and Emilian Nica propose a new theory that explains how electrons form pairs in unconventional superconductors. Their work reveals a general phenomenon called multiorbital singlet pairing, which is crucial for understanding the behavior of iron-based and heavy-fermion materials.
Scientists have found a way to control the behavior of Higgs modes within iron-based superconductors using laser light, opening up new possibilities for quantum sensors and high-speed computing. This discovery could lead to breakthroughs in understanding the universe's fundamental nature.
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 Yokohama National University developed a 4-bit microprocessor called MANA, the world's first adiabatic superconductor microprocessor. The AQFP is capable of all aspects of computing and operates up to 2.5 GHz clock frequency.
Researchers at Aalto University have designed an ultra-thin material that creates elusive Majorana quantum states, which could be key to making topological qubits. The team successfully trapped electrons together in a two-dimensional material, overcoming the challenge of noise tolerance in quantum computing.
Researchers have found a closer look at the behavior of electrons in strange metals, which could allow them to understand a mechanism for superconductivity at higher temperatures. This work is crucial for designing high-temperature superconductors that can power cities and levitate cars.
Researchers at UT have successfully created a novel superconductor using tin on a silicon semiconductor platform, marking the first intentional creation of an atomically thin superconductor. This breakthrough may lead to unforeseen advancements in technology and opens up new possibilities for electronic devices.
Physicists have long wondered if crystals can form in time instead of space. Now, researchers have successfully created a time crystal in a high-temperature superconductor by applying a laser. This breakthrough establishes a new state of matter and opens up new possibilities for designing quantum materials on demand.
Researchers discovered that 'bad metals' transform into quasiparticles, allowing them to pair up and superconduct current without resistance. This explains their unusual behavior in low-temperature superconductors.
Researcher from Max Planck Institute applied large hydrostatic pressures to CeFeAsO, a non-superconducting compound. The study reveals a narrow superconducting phase emerging in the boundary region between spin-density-wave magnetism and Kondo-effect.
Physicists from UNLV and University of Rochester make breakthrough in quest for room temperature superconductor, enabling infinite and perfect electrical flow with no loss of power. The discovery has implications for energy storage and transmission, and could revolutionize devices, transportation, and society.
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 have confirmed that calcium atoms create a high-temperature superconductor when injected into graphene on a silicon-carbide substrate. The calcium atoms 'float' between the upper graphene layer and the lower 'buffer' sheet, surprising scientists who had expected them to be between two carbon layers.
Researchers at the University of Tsukuba have discovered a new explanation for how superconductors recover from temporary exposure to magnetic fields without losing energy. The proposed mechanism involves the presence of a topological quantum number, which allows supercurrents to be switched off without Joule heating.
Researchers at the University of Manchester have discovered a nanomaterial that mimics the 'magic angle' effect in twisted bilayer graphene, offering an alternative medium to study superconductivity. The new findings show strong electron-electron interactions in rhombohedral graphite, which could lead to game-changing effects in materi...
Researchers have successfully observed Josephson oscillations in a 2D Fermi gas, providing new insights into the nature of strongly correlated quantum systems and their potential to revolutionize power distribution through room temperature superconductors.
Researchers found a new superconducting system that enables magnetic flux quanta to move at velocities of 10-15 km/s, breaking the limit of type II superconductors. This discovery opens up possibilities for quantum information processing and single-photon detection.
Researchers from Tokyo Institute of Technology elucidate the underlying cause behind different critical transition temperatures reported for ultrathin iron selenide (FeSe) superconductors, finding the interface between FeSe and STO substrate essential for high-temperature superconductivity. The study reveals variability in Tc values du...
Researchers at Institute for Basic Science develop new method to study superconductors using optical tools, enabling exploration of fluctuating superconductivity. Theoretical model shows significant changes in electric conductivity and light absorption near critical temperature.
Researchers found that the transport of electronic charge in strontium ruthenate breaks rotational symmetry, exhibiting 'electronic nematicity' similar to liquid crystals. This phenomenon may explain the material's unconventional superconductivity and could lead to the design of efficient superconductors.
Researchers have discovered a class of iron-based superconductors that spontaneously generate constant internal magnetic fields, breaking time-reversal symmetry. This discovery has enormous potential for new applications in quantum computing devices.
Researchers used the 'gene' theory to predict new families of HTSCs in cubic zinc-blende transition metal compounds. Theoretical analysis showed a d-wave superconducting state with nodes in diagonal directions, breaking time reversal symmetry.
Researchers investigated hydrogen's role in nickelate superconductors, explaining experimental difficulties in synthesizing superconducting nickelates. Hydrogen incorporation changes material electronic properties.
A new measuring method called Higgs spectroscopy helps understand the dynamics of paired electrons in superconductors, revealing typical precursors of superconductivity even above the critical temperature. The technique uses a multi-cyclic terahertz pulse to excite Higgs oscillations and measure them precisely.
Researchers detect a superconducting current along the exterior edge of a topological semi-metal, suggesting ways to unlock 'topological superconductivity' for quantum computing. The discovery uses a crystalline material called molybdenum ditelluride and measures the critical current as it varies with magnetic field.
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 the University of Illinois have used high-resolution microscopy tools to study an unusual type of superconductor, uranium ditelluride (UTe2). The measurements reveal strong evidence for the presence of exotic Majorana particles on its surface, which could provide insights into fundamental physics and quantum computing.
The study aims to develop a unique instrument to investigate microscopic properties of superconductors and understand the emergence of spontaneous magnetic fields. The researchers hope to fill the knowledge gap that hinders the development of new devices, including quantum computers.
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.