Articles tagged with Superconductors
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Researchers found an unexpected connection between titanium-oxypnictide superconductors and familiar cuprates and iron-pnictides, providing a new family of materials to explore. The discovery sheds light on the mysteries of high-temperature superconductivity.
Scientists have found that self-doping in the copper-based material YBCO enables it to conduct electricity without loss at room temperature. This groundbreaking discovery challenges traditional understanding of high-temperature superconductivity and could pave the way for more efficient electrical applications.
Scientists suggest using natural vibrations in one material to boost superconductivity in another, opening a new chapter in the quest for room temperature superconductors. The study reveals that iron selenide superconductor operates at much higher temperatures when placed atop STO material.
Scientists use ultrashort light pulses to observe the reaction of electrons with a crystal grid, revealing a coupling process that explains superconductivity. The study paves the way for research into high-temperature superconductors and introduces a new method for studying materials.
Scientists at LMU München have synthesized a ferromagnetic superconducting compound that exhibits both properties simultaneously. The new compound, (Li,Fe)OH(FeSe), can coexist with ferromagnetism and superconductivity even at higher temperatures than previously known.
Berkeley Lab researchers used trARPES to measure the ultrafast response of electron self-energy to photo-excitation in a high-temperature superconductor. The results show a link between electron-boson coupling and superconductivity.
Researchers from NC State University have developed a titania-based material that can effectively insulate superconducting magnets, allowing for the preservation of electrical pathways and efficient heat dissipation. This breakthrough has significant implications for next-generation power generation technologies and medical devices.
ORNL scientists uncover clues to role of magnetism in iron-based superconductors, finding localized magnetism correlated with high critical temperature and influencing material performance. The study provides experimental evidence that local magnetic fluctuations can influence the behavior of iron-based superconductors.
Paul Chu and Venkat Selvamanickam are recognized for their sustained service and significant contributions to applied superconductor materials technology. The awards acknowledge their work in advancing high-temperature superconductivity, with applications in commercialization.
A Rice University-led team has found a physical link between magnetic properties and electronic behavior in barium iron nickel arsenide, a key material for high-temperature superconductivity. The study uses neutron measurements to reveal an analogous behavior in the material, providing new clues to understanding this phenomenon.
Scientists discover that collective movements of electron spins, not doping effects, are responsible for the formation of nematic phases. This finding opens up new avenues for understanding high-temperature superconductivity.
Scientists have identified the underlying force of magnetism as the key to high-temperature superconductivity in cerium, cobalt, and indium. By analyzing experimental data using a novel theoretical framework, researchers successfully predicted the material's superconducting properties.
Researchers induce pseudogap state in material and subject it to laser pulses, inducing a temporary metallic state. The study provides new insight into superconductors and offers the possibility of controlling their characteristics through laser light.
Scientists have discovered a density wave structure in copper-oxide high-temperature superconductors, shedding light on their exotic properties. The breakthrough could lead to significant improvements in electricity delivery and technology.
Researchers from Cambridge University have broken a world record by trapping a strong magnetic field in a high-temperature superconductor. The achievement demonstrates the potential of these materials for various applications, including energy storage and transportation systems.
The US Department of Energy has renewed funding for Brookhaven's Center for Emergent Superconductivity, aiming to understand the fundamental nature of superconductivity in complex materials. This could revolutionize energy distribution and storage by enabling efficient transport and storage of vast quantities of energy.
Researchers at Argonne National Laboratory have discovered a previously unknown phase in iron arsenides, which could resolve a long-standing debate about the origin of nematic order. The new magnetic phase exhibits four-fold symmetry near the onset of superconductivity, contradicting orbital theories and supporting a magnetic explanation.
Scientists have made a breakthrough in understanding superconductors, proposing a single theoretical framework that could apply to various materials. The unified model suggests a common explanation for the phenomenon, which could lead to more efficient and cost-effective superconductor applications.
Researchers have discovered a link between the disappearance of certain electrons' periodic arrangements and the emergence of freely flowing electrons in a material, leading to enhanced superconductivity. The findings may help scientists engineer ways to boost operating temperatures for real-world energy-saving applications.
A recent study by North Carolina State University reveals that impurities can either hinder or improve the performance of a key superconductive material, Bi2212. The size of the impurities determines their effect, with nanoscale defects appearing to enhance superconductivity, while large-scale impurities weaken it.
Scientists observe quantum critical point in TiSe2, challenging prevailing theory on superconductivity emergence. Domain wall formation connected to superconductivity, not CDW melting, reveals new phase boundary with implications for understanding superconducting behavior.
Physicists have observed Kelvin waves on quantum 'tornadoes' for the first time, confirming a key prediction. The discovery was made using extremely cold liquid helium and provides new insights into turbulence in quantum fluids.
Researchers from University of Waterloo and Harvard discover pseudogap phase's quantum states, which could unlock room-temperature superconductors. The findings address a crucial unsolved problem in theoretical condensed matter physics.
Researchers have successfully used flawed but colorful diamonds as sensitive magnetometers to study high-temperature superconductors. These diamond sensors can measure tiny magnetic fields in exotic materials and even human tissue, offering a new tool to explore the physics of these poorly understood materials.
Scientists at the Ames Laboratory used ultra-fast laser spectroscopy to examine the electronic properties of iron-based superconductors, finding evidence of an electronically-driven nematic order. This breakthrough sheds light on the transition from normal to superconducting states and holds potential for advancing energy technologies.
Researchers at Brookhaven Lab find that orbital fluctuations in iron-based compounds enhance electron pairing, a key mechanism behind superconductivity. By precisely pinning down electron distributions, they open a new frontier for condensed matter physics.
Researchers at Oak Ridge National Laboratory created a framework to understand the interplay of superconductivity and inhomogeneity. The work reveals that strong superconductivity comes from highly doped regions in the crystal where dopants are clustered, potentially leading to higher performance superconductors.
Scientists have found that charge-density waves destroy superconductivity at a maximum of minus 135 degrees Celsius. To develop high-temperature superconductors, researchers must search for substances not subject to these periodic fluctuations.
A team of scientists has discovered that charge carriers in cuprate high-Tc superconductors form nanostripes that can suppress superconductivity. The research uses synchrotron radiation to detect the elusive phenomenon of charge order and measure related nanostructures with high precision.
Researchers found that high-temperature superconductivity in copper oxides forms as material cools from a state where electrons exhibit charge ordering, a phenomenon previously unknown. The study provides a crucial clue to understanding how to enhance superconductivity and potentially increase temperatures.
Researchers have developed a nano-SQUID-on-tip that measures magnetic fields at distances as small as a few nanometers from the sample, breaking the record for sensitivity and resolution. This tiny device may also enable measuring the magnetic field from the spin of a single electron, a major breakthrough in magnetic imaging.
Researchers used X-rays to study atomic vibrations in high-temperature superconductors, finding a giant resonance that contradicts the electron-phonon coupling mechanism. This discovery highlights the need for new scenarios to explain high-temperature superconductivity.
Scientists have successfully manipulated atomic magnetism by harnessing superconductivity to create a stable state, enabling the potential for quantum computing. By studying tiny magnetic molecules in contact with a superconductor surface, researchers were able to write and read information using controlled magnetism.
Researchers at Berkeley Lab have revealed the origins of a 'stripe phase' in a material linked to superconductivity. By studying ultrafast optical techniques and X-ray scattering, they found that electrons become concentrated in stripes throughout the material, leading to an energy threshold for electrical currents.
Researchers found that two types of iron-based superconductors employ similar coupling between electrons in their superconducting state. Understanding this mechanism may help create even better superconductors with higher transition temperatures.
Researchers propose a set of key principles for understanding high-Tc superconductivity, which applies to all families of materials. Antiferromagnetic electron interactions drive both superconductivity and intertwined electronic phases across different material types.
Physicist Aleksey Kolmogorov and colleagues successfully synthesized the world's first superconductor designed entirely on the computer. The iron tetraboride compound exhibits an unexpected type of superconductivity and exceptional hardness, with potential applications in power transmission.
Researchers have discovered a new material that combines the properties of topological insulators and superconductors, with a large energy gap and potential applications in quantum computing and spintronics. This breakthrough has significant implications for the development of next-generation electronic devices.
Researchers explore various applications of superconductivity in water purification, earthquake monitoring, high-speed rail travel, and renewable energy storage. The technology also enables the detection of unexploded ordnances and solar bursts, promoting a more sustainable future.
Scientists at Brookhaven National Laboratory identified a signature to look for in superconductors, suggesting that fluctuating charge stripes may play a role. The researchers used neutrons to analyze the material's electronic structure and found that the displacements from average structure persisted with increasing temperature.
Researchers at ORNL introduced small amounts of non-superconducting material to control nanoscale columns, resulting in optimized superconducting performance. The wires achieved record-breaking engineering critical current density, exceeding twice the required level for most applications.
Researchers at Brookhaven National Laboratory develop method to measure energy required for electrons to pair up and how it varies with direction. The technique reveals directional dependence of the 'glue' holding electron pairs together, shedding light on magnetic superconductivity.
Researchers at Washington State University have created a superconductor capable of transmitting electrical current with zero resistance. By compressing carbon disulfide under high pressure and cooling it to near absolute zero, they achieved a material that exhibits properties like magnetism and superhardness.
A new model explains how pseudogap states form in high-temperature superconductors, featuring two competing electron orders: d-wave superconductivity and quadrupole density wave. This breakthrough sheds light on the high transition temperatures of ceramic copper oxide bonds.
Physicists found that changes in electrical resistivity depend on compound composition and can change sign, indicating an intimate connection between magnetism and superconductivity. The study uses single crystals and liquid helium to measure properties in the coexistence region, shedding light on iron-based superconductors.
Rice physicists Qimiao Si and Rong Yu discovered a new electronic state in which some electrons become frozen, while others remain mobile, leading to 'bad traffic' on the path to superconductivity. This phase, known as orbital-selective Mott phase, provides clues about the fundamental origins of superconductivity.
Scientists have successfully controlled the flow of electrons within layers of a superconductor using terahertz flashes. This technique enables precise switching on and off of superconductivity, paving the way for new applications in information processing.
Researchers have found that cuprate superconductors, known for carrying electrical current without resistance, cannot be fully explained by the traditional concept of Luttinger's theorem, which states that electrons carry current. This discovery reveals that there must be alternative explanations beyond electron behavior.
Recent advances enable control of individual atoms used in quantum information processing, paving the way for creation of powerful computers and highly sensitive detectors. Researchers explore ways to transmit quantum information over long distances and scale up the number of qubits.
Researchers have engineered a unique multilayer material that achieves extraordinary superconducting properties, including increased current-carrying capabilities and improved magnetic field stability. The breakthrough could lead to real-world applications in electronic devices, transportation, and power transmission.
Researchers at MIT have detected fluctuating charge-density waves in high-temperature superconductors, a key finding that could help understand the phenomenon and potentially lead to room-temperature superconductors. The new technique sheds light on the exotic state of matter, which has remained poorly understood despite intense research.
Researchers used spectroscopic imaging scanning tunneling microscopy to visualize the electronic properties around individual dopant atoms in an iron-based superconductor. The study found that dopants introduce elongated impurity states that scatter electrons in an asymmetric way, explaining most of the material's unusual properties.
Researchers from Russia, Spain, Belgium, the U.K. and the U.S. Department of Energy's Argonne National Laboratory have discovered a way to efficiently stabilize tiny magnetic vortices that interfere with superconductivity. This breakthrough could remove one of the most significant roadblocks to advances in superconductor technology.
Topological insulators have surface states that are conducting and possess unique properties, including the Aharanov-Bohm effect. Hybrid structures with superconductors show promise for new physics and technological applications, such as Majorana fermions and fractional Josephson effects.
Researchers from the Institute of Solid State Physics found that superconductivity is intrinsic to a bismuth-based layered material when doped with silver. The material's characteristics were measured using x-ray diffraction, magnetic susceptibility, electrical transport, and thermal transport.
Scientists have synthesized a new material with promising superconducting transition temperatures of 44 Kelvins, improving upon traditional copper-based high-temperature superconductors. The material, LixFe2Se2(NH3)y, displays an intercalation of potassium or rubidium, achieving a superconducting temperature of 32K.
Qubits can successfully exist in topological superconductor materials despite impurities and strong interactions. Majorana particles provide coherence-protection programs for qubits.
Researchers at the University of Toronto have successfully induced high-temperature superconductivity in a semiconductor by placing it in proximity to a topological insulator using Scotch poster tape. This breakthrough could lead to advancements in quantum computing and improvements in energy efficiency.
Scientists have discovered a way to manipulate superconducting materials using light. This breakthrough allows for the creation of ideal superconductors with continuous electrical current without losing any power. The research has potential applications in developing non-dissipated memories and improving energy efficiency.
Physicists at Max Planck Institute find competition between superconductivity and charge density waves in copper oxide ceramics, improving understanding of zero-resistance transport. The discovery could explain unusual interactions between superconducting and magnetic materials.