Articles tagged with Superconductors
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 developed an approach combining quantum mechanical density functional theory and artificial intelligence to predict high-temperature superconducting materials. Over 120 structures with superior properties were found, including comparison to MgB2 at 39 K.
Using the Hubbard model, researchers successfully re-created key features of cuprate superconductivity, which has puzzled scientists for decades. The breakthrough demonstrates the worth of simple models in understanding complex physics.
A new theory explains why one type of Mott insulator resists conducting electricity even with added electrons. The material's lattice structure interacts with trapped electronic charge to form bipolarons, acting as roadblocks for electron movement.
Researchers at The University of Manchester have successfully achieved robust superconductivity in high magnetic fields using a newly created one-dimensional system. This breakthrough holds profound potential for advancements in quantum technologies, particularly in the quantum Hall regime.
A new NIR phosphor with broadband emission, high luminous efficiency, and thermal stability has been developed for multi-functional applications. The phosphor is composed of Cr³⁺ activated in Y₂Mg₂Al₂Si₂O₁₂ host materials, showing potential for night visualization, bio-imaging, and non-intrusive detection.
Researchers upgraded a photoelectron momentum microscope to use two undulator beamlines, enabling element-selective measurements and precise analyses of valence orbitals. This innovation provides deeper insights into the behavior of electrons in materials, advancing fields like condensed matter physics and materials science.
Researchers visualize chiral interface state at atomic scale for the first time, allowing on-demand creation of conducting channels. The technique has promise for building tunable networks of electron channels and advancing quantum computing.
A team of international researchers has developed a hybrid device combining a stable proximitized-superconductor with magnetism, allowing precise control over its properties. This innovation could lead to significant advancements in quantum computing by stabilizing quantum bits and overcoming external influences.
Researchers from the University of Tokyo have developed a physics-based predictive tool that quickly identifies stable intercalated materials for advanced electronics and energy storage devices. By analyzing over 9,000 compounds, the tool uses straightforward principles from undergraduate chemistry to predict host-guest stability.
Researchers at Argonne National Laboratory have developed a new technique to precisely modulate electron flow in microelectronic devices, enabling lower power consumption and increased efficiency. The 'redox gating' method allows for the control of electron flow at low voltages, preventing damage to the system.
Researchers from Ames National Laboratory identified miassite, a rare mineral, as an unconventional superconductor with properties similar to high-temperature superconductors. The discovery could lead to more sustainable and economical technology using this type of superconductivity.
Scientists at Argonne National Laboratory have developed a nanocryotron, a prototype for an on-off switch that can amplify weak electrical signals from tiny particles in collider experiments. The device could help facilitate the operation of new particle colliders and improve the accuracy of observations.
Scientists identify conditions for HTS magnets to safely operate without risk of sudden heat build-up, using advanced temperature monitoring systems. They also plan to test their approach on actual coils wound with HTS conductor material.
Researchers at MIT and Commonwealth Fusion Systems confirm their high-temperature superconducting magnet design meets the criteria for a compact fusion power plant. The successful test marks a significant milestone in fusion research, with the potential to usher in an era of virtually limitless power production.
A team of scientists has developed a novel strain-free approach to investigate the intrinsic electronic ground state of Kagome superconductors. This study provides a unifying picture of the controversial charge order in Kagome metals, highlighting the need for material control at the microscopic scale.
Scientists have created a novel instrument that enables the precise measurement of superconductors under extreme pressure, overcoming existing limitations. The new tool uses quantum sensors integrated into a standard pressure-inducing device, allowing for direct imaging of the material's behavior.
Researchers at Penn State have created a new fusion of materials that exhibits chiral topological superconductivity, a property required for topological quantum computation. The combination of magnetic materials and iron chalcogenide could enable the development of robust quantum computers with unique properties.
Researchers visualize second sound, a wave-like movement of heat, independent of physical particle motion in a superfluid. The findings expand understanding of heat flow in superconductors and neutron stars.
Researchers found that a thin layer of magnesium significantly improves tantalum's purity and raises its operating temperature as a superconductor. This could lead to increased quantum information retention in qubits, ultimately benefiting quantum computing.
Researchers from Tokyo Metropolitan University have created a new platinum-iridium-zirconium compound that transitions to a bulk superconductor below 2.2 K and exhibits a chiral crystalline structure. The team's 'mix and match' approach accelerates the discovery of exotic superconducting materials.
Researchers at HZDR have discovered a new superconductor that remains stable under extremely high magnetic fields. This breakthrough offers potential for groundbreaking technological advancements. The material, UTe2, exhibits spin-triplet superconductivity and can withstand magnetic fields up to 73 tesla, setting a record.
Researchers at Rutgers University have developed a new method to create high-temperature superconductors by twisting materials, enabling the creation of unusual forms of superconductivity in previously unattainable materials. The technique has confirmed predictions made by theoretical calculations and opens doors to further experiments.
Researchers have developed a new approach to monitor ultrafast charge motion in strongly correlated solids, demonstrating phase transitions within femtoseconds. The technique offers sub-cycle temporal resolution and opens up new avenues for investigating ultrafast phenomena in correlated materials.
Researchers at Princeton University discovered a sudden change in quantum behavior while experimenting with a three-atom-thin insulator. The findings suggest the existence of unique quantum phase transitions that disobey established theories, promising to enhance our understanding of quantum physics and superconductivity.
Researchers have successfully synthesized a new material that exhibits self-recoverable near-infrared (NIR) mechanoluminescence, a property useful for biomedical imaging and other applications. The material's mechanism is attributed to its piezoelectricity, which generates excited states in Cr³⁺ ions upon mechanical stimulation.
Scientists have made significant progress in understanding ultrafast electron dynamics by tracking the motion of electrons released from zinc oxide crystals using laser pulses. The research team combined photoemission electron microscopy and attosecond physics technology to achieve temporal accuracy, enabling them to study the interact...
A team of researchers has designed a unique n-TiO2/BaTiO3/p-TiO2 heterojunction that couples with the piezoelectric effect to overcome charge separation and transfer limitations. The design achieves higher photocurrent density than traditional p-n junctions, enabling more efficient photoelectrochemical water splitting.
Researchers at Osaka Metropolitan University fabricated GaN transistors using diamond substrates, achieving more than twice the heat dissipation of SiC-based transistors. This novel technology has the potential to revolutionize power and radio frequency electronics with improved thermal management capabilities.
Researchers have found a superconducting material that can be controlled to switch its properties on and off, potentially leading to more efficient large-scale computing. The discovery could enable the creation of energy-efficient switchable superconducting circuits, revolutionizing industry electronics.
A Harvard University research team has demonstrated a new strategy for making and manipulating cuprate superconductors, clearing a path to engineering new forms of superconductivity. The team created a high-temperature, superconducting diode made out of thin cuprate crystals using a low-temperature device fabrication method.
Researchers at Singapore University of Technology and Design propose a new unifying framework to identify low-risk materials for further development. The team screened 3,000 entries in the materials database to find 25 candidate materials that exhibit high performance and are sustainable at the material level.
The study reveals that charge density fluctuations affect the electrical resistance of cuprates, making them behave like 'strange' metals. This discovery could pave the way for more environmentally friendly superconducting technologies with higher critical temperatures.
The Wiedemann-Franz law, a 170-year-old principle, breaks down in quantum materials but remains applicable to copper oxide superconductors. Theoretical studies using the Hubbard model show that electrons' collective behavior explains the discrepancies.
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.
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.
Scientists at the University of Bristol have found a rare phenomenon in purple bronze that could create an ideal 'perfect switch' in quantum devices. The material exhibits emergent symmetry, where it can transition between insulating and superconducting states with temperature changes.
Researchers have successfully integrated photo-induced superconductivity on a chip using non-linear THz spectroscopy. The electrical response of K3C60 exhibits non-linear behavior, validating previous observations and providing new insights into the physics of this material.
Researchers successfully controlled spin waves by using a superconducting electrode, which acts as a mirror to reflect the magnetic field back to the spin wave. This breakthrough offers an energy-efficient alternative to electronics and opens doors for designing new circuits based on spin waves and superconductors.
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.
A WVU researcher is developing new methods to fast-track the discovery of quantum materials, which could lead to breakthroughs in fields like quantum computing and superconductors. The goal is to streamline the discovery process using computational and experimental tools.
The interdisciplinary team, led by Kaiyuan Yang, will focus on leveraging the spin and charge of electrons in multiferroics to process and store information. The goal is to improve energy efficiency for computing devices, potentially reducing energy consumption by three orders of magnitude.
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.
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 aim to develop mass-produced superconductors operating at easily maintained temperatures for energy, transportation, and communication technologies. They will use advanced modeling methods and computational tools to identify suitable candidate materials and examine their properties.
A team of researchers from Boston College has observed electronic nematic order as a stand-alone phase in a titanium-based Kagome metal. The study revealed the presence of electronic unidirectionality without charge density waves, which challenges current understanding of this phenomenon.
The Enchilada Trap enables scientists to build more powerful machines for quantum computing. It can store and transport up to 200 qubits using a network of five trapping zones, enabling researchers to test architectures with many qubits.
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 have observed unusual waves of charge within a crystal of uranium ditelluride, a previously unseen facet of its superconductivity. The findings reveal a static variation in two different properties: one related to charge and the other to interacting electron pairs.
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.
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 SLAC National Accelerator Laboratory and Stanford University have developed a method to make thin films of nickelates without extended defects. This breakthrough allows scientists to study the true nature and properties of these superconductors, similar to cuprates. The discovery is a significant step towards developing ...
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 have observed the direct visualization of a zero-field pair density wave in an iron-based superconductor, EuRbFe4As4, without a magnetic field. This discovery paves the way for further research into room-temperature superconductivity and its potential applications.
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.
Scientists at the University of Tokyo develop a technique to create nano-sized quantum sensors on measurement targets, enabling high-resolution magnetic field imaging with applications in superconductors and electronic devices. The breakthrough uses boron vacancies or lattice defects in hexagonal boron nitride film, allowing for easy d...
A University of Minnesota team developed a new superconducting diode that is more energy efficient and versatile than past models. The device can process multiple electrical signals at once and has gates to control the flow of energy, which could enable faster quantum computers for industry use and enhance AI performance.
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.