Articles tagged with Superconductivity
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Physicist Zhifeng Ren has been recognized for his groundbreaking contributions to five scientific fields: carbon nanotubes, thermoelectrics, hierarchical zinc oxide nanowires, high temperature superconductivity, and molecule delivery/sensing. His work on waste heat recovery and immunosuppressant medication detection has shown significa...
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.
Washington State University researchers discovered a 400-fold increase in electrical conductivity of strontium titanate when exposed to light. This phenomenon, known as persistent photoconductivity, could lead to significant improvements in electronic device performance and capacity, especially with the development of holographic memory.
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.
A team of researchers has carried out the first detailed measurements of a unique kind of magnetism found in herbertsmithite. The study reveals a signature in the material's optical conductivity that supports theoretical predictions about the influence of magnetism on electrons.
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.
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.
Researchers at Brookhaven National Laboratory and collaborators provide direct evidence for magnetism's role in forming Cooper pairs, a key to high-temperature superconductivity. The findings strengthen confidence in using this theory to identify new materials with improved properties.
Substituting impure atoms into a heavy-fermion system destroys its superconductivity by creating 'Kondo holes' that disrupt electron interactions. Visualization techniques reveal widespread disruption and the spread of disturbance through the material.
Researchers found that ordered vacancies in iron pnictides can give rise to superconductivity, providing a potential explanation for the similar behavior between different compounds. This discovery has implications for the broader use of these materials on an industrial scale.
Researchers at Helmholtz-Zentrum Berlin (HZB) have discovered a universal magnetic signature among all iron-based superconductors. Despite differences in magnetism, these materials display the same magnetic resonance signal as their parent compounds, hinting at a new understanding of how superconductivity arises.
Researchers found a direct connection between electrons' conductivity and magnetic properties in iron-based superconductors. The study sheds light on high-temperature superconductivity's fundamental nature.
A Rice University-led team will build a simulator capable of tackling high-temperature superconductivity using ultracold atoms and lasers. The goal is to study complex materials like cuprate superconductors, which are still not fully understood.
Scientists at Carnegie Institution create novel 'compound' from pure boron, exhibiting low mass, high strength, and response to neutron irradiation. The discovery builds on previous superconductivity findings in boron and paves the way for understanding its transition to superconductivity under pressure.
Scientists at NIST have discovered a new class of iron-based high-temperature superconductors that exhibit unusual behavior under pressure, suggesting a possible alternative mechanism behind superconductivity. The discovery could lead to the development of higher-temperature superconductors with improved properties.
Physicists from Rice and Rutgers universities have published a new theory explaining the complex electronic and magnetic properties of iron pnictides. The research suggests that pnictides exhibit magnetic frustration, which enhances magnetic quantum fluctuations and may be responsible for high-temperature superconductivity.
Physicists at University of Illinois discover a new fundamental particle, boson, that arises from strong electron interactions and explains the puzzling behavior of high-temperature superconductors. The particle has a charge of 2e but is not composed of two electrons.
Researchers have made a major breakthrough in understanding the unconventional superconductor URu2Si2 by studying its electron movements using neutron probes. The study reveals that the wandering particles work out an unexpected accommodation in the spacing of their energy levels, leading to a more orderly and cooperative behavior.
Researchers at Cornell University have made a breakthrough in understanding superconductors by locating crucial atoms that increase conductivity but decrease it in localized spots. This discovery could lead to the development of more effective superconductors and unlock new materials for various applications.
Researchers find high-temperature superconductors break Pauli principle due to linked high- and low-energy scales. Strong electron interactions cause mixing of energy levels, affecting renormalization and spectral features.
Researchers have made significant progress in understanding the behavior of materials at quantum critical points, a stage where materials change phases. The new classification system has shed light on the relationship between quantum criticality and high-temperature superconductivity.
Scientists have observed eight-fold configuration of quasiparticle interference in a high-Tc superconductor, predicting a peculiar electronic state known as the 'stripe phase.' This discovery calls into question the necessity of stripes for superconductivity in high-temperature materials.
Researchers used two techniques to examine the electronic structure of magnesium diboride, revealing interactions between electron holes that contribute to its superconductivity. The findings provide new insight into the material's properties and may lead to improved magnetic resonance imaging and electric power transmission.