Articles tagged with Electrons
Physicists at Rice University have found that magnetism subtly modifies the landscape of electron energy states in iron-germanium crystals, promoting and preparing for the formation of a charge density wave. This is one of the few known examples of a kagome material where magnetism forms first, leading to charges lining up.
Researchers developed a new method to distinguish current carriers in the BCS-BEC crossover, a phase transition between superfluids and superconductors. The team measured fluctuations of currents, quantified as the Fano factor, which can identify single-particle- and pair-currents.
Researchers at Weizmann Institute of Science develop the quantum twisting microscope (QTM) to explore quantum phenomena. The QTM allows for direct visualization of quantum electronic waves, enabling the creation of novel materials with unprecedented functionalities.
A new mathematical theory developed by scientists at Rice University and Oxford University can predict the nature of motions in complex quantum systems. The theory applies to any sufficiently complex quantum system and may give insights into building better quantum computers, designing solar cells, or improving battery performance.
Researchers have developed a new lithium-air battery that uses a solid electrolyte, boosting energy density four times above lithium-ion batteries. The battery can potentially power cars for over a thousand miles on a single charge and is also suitable for domestic airplanes and long-haul trucks.
Researchers at Berkeley Lab have developed a new technique that captures real-time movies of copper nanoparticles as they convert carbon dioxide into renewable fuels and chemicals. The study reveals that metallic copper nanograins serve as active sites for CO2 reduction, paving the way for advanced solar fuel technology.
Physicists at the University of Wisconsin–Madison directly measured the fluid-like flow of electrons in graphene for the first time at nanometer resolution. This breakthrough study provides new insights into the behavior of electrons in this material, shedding light on its potential applications.
Researchers successfully conducted the first Fermi-scale single-particle double-slit experiment using an unstable ρ0 meson in a high-energy heavy-ion collision. The study demonstrates wave-particle duality, where the meson's decay products exhibit interference patterns indicative of quantum entanglement.
Researchers observed energy transfer from resonant electrons to whistler-mode waves in space, confirming non-linear growth theory. This finding improves understanding of space weather's impact on satellites and could help protect astronauts.
Electrons play a key role in facilitating rapid heat transfer between layers of 2D semiconductor materials, allowing for efficient energy dissipation in futuristic electronic devices. The study provides new insights into the behavior of atomic motions and electronic pathways in nanoscale junctions.
A team of researchers from the University of Rhode Island has discovered new details about the chemical reaction that occurs when ferrate is exposed to visible and ultraviolet light. The findings could help optimize the use of ferrate in water treatment applications, making it a promising option for smaller systems.
Eun-Ah Kim and Michael Matty identified a phase in between solid and liquid for electron crystals, revealing their behavior under certain conditions. In this intermediate phase, electrons arrange themselves into tiny strips that can move around and orient themselves.
Researchers use pulse radiolysis experiments to measure how unpaired electrons can drive chemical reactivity on a molecule's opposite side, enabling the creation of novel synthetic methodologies. The study demonstrates the potential for free radicals to influence reactivity beyond their site of origin.
Researchers develop new technique to observe plasmons inside gold nanoparticles, revealing relaxation process with implications for energy conversion and development of light-harvesting materials. The ultrafast electron microscope enables analysis of ultrafast light-matter interactions at the nanoscale.
Researchers at Kyushu University counted electric charges in individual platinum nanoparticles down to the electron level, revealing net charge with high precision. This breakthrough enables better understanding and development of catalysts for breaking down pollutants.
A team of international researchers used aurora data to assess the impact of radiation-belt electrons on the ozone layer. They found a localized ozone hole in the mesosphere, about 400 km wide, directly below isolated proton auroras, with up to 10-60% of ozone destroyed.
Researchers have successfully switched on and off topological states in a material, exploiting the interaction of electrons to manipulate their behavior. The discovery opens up new possibilities for technical applications, including quantum computers and sensor technology.
Physicists used machine learning to compress a complex quantum problem into four equations, capturing the physics of electrons on a lattice with high accuracy. The approach could revolutionize how scientists investigate systems containing many interacting electrons and potentially aid in designing materials with sought-after properties.
Researchers from Rice University and partners identified three promising candidate materials using a new framework that cross-references information in a database of known materials with theoretical calculations. The method could help explore strongly correlated topological matter, a large and largely uninvestigated landscape.
Researchers at Martin-Luther-University Halle-Wittenberg have successfully generated non-linear spin waves with half-integer multiples of the excitation frequency, a key finding for spintronics applications.
Researchers at University of Göttingen develop a new method to convert CO2 into chemical substances by confining molecules in nano-sized environments. The team demonstrates the ability to break individual chemical bonds and restore them in single molecules under controlled conditions.
Researchers at Rice University have discovered a unique arrangement of atoms in iron-germanium crystals that leads to a collective dance of electrons. The phenomenon, known as a charge density wave, occurs when the material is cooled to a critically low temperature and exhibits standing waves of fluid electrons.
Scientists have developed a magnetized state in monolayer tungsten ditelluride, allowing for controlled electron flow and potential applications in non-volatile memory chips. The discovery enables the creation of smaller, more energy-efficient devices that consume less power and dissipate less energy.
Scientists have developed a method to control chemical reactions in a single molecule by applying voltage pulses, resulting in unprecedented selectivity. By fine-tuning the voltage, researchers can interconvert different products formed during the reaction.
Scientists have analyzed the interaction between highly charged ions and graphene at a femtosecond scale, revealing complex processes involved in material response. The study provides fundamental new insights into how matter reacts to short and intense radiation exposure.
Despite DeepMind's neural network claiming superiority, scientists question its performance on predicting electron interactions in chemical systems. The BBB test set shows limited understanding of fractional-electron systems, raising concerns about the AI's ability to generalize.
An international research team led by the University of Göttingen has discovered unexpected quantum effects in naturally occurring double-layer graphene. The study reveals a variety of complex quantum phases emerging at temperatures near absolute zero, including magnetic behavior without external influence.
Physicists have created a way to simulate quantum entanglement between interacting particles using neural networks and fictitious 'ghost' electrons. This approach enables accurate predictions of molecule behavior, which could lead to breakthroughs in pharmaceutical development and material design.
Researchers at Rensselaer Polytechnic Institute have successfully controlled electron spin at room temperature, a crucial step towards developing more efficient and faster devices. The discovery uses a unique ferroelectric van der Waals layered perovskite crystal to harness the Rashba or Dresselhaus spin-orbit coupling effect.
Researchers at MIT and Weizmann Institute of Science visualize electron vortices in ultraclean tungsten ditelluride, confirming theoretical predictions. The observation could lead to more efficient next-generation electronics by reducing energy dissipation.
Physicists at HZDR and CASUS improved the density functional theory method to accurately describe quantum many-body systems, breaking a significant simplification. This enables studies of non-linear phenomena in complex materials with unprecedented temporal and spatial resolution.
Researchers used an isomer beam to study isomer depletion in a low gamma-ray background environment. They found no evidence of isomer depletion and measured the excitation probability at less than 2×10^−5, consistent with theoretical calculations.
Researchers at Colorado State University have developed a cobalt-based molecule that can detect extremely subtle temperature shifts inside the body, opening up new possibilities for medical imaging and therapy. The noninvasive probe uses radiofrequency waves to read out temperature signals from the body.
Scientists at Aalto University and Oak Ridge National Laboratory develop new method to detect Cooper pairs in unconventional superconductors, enabling unique understanding of quantum materials. This breakthrough represents a major step forward in developing quantum technologies.
A team of researchers at Indian Institute of Science developed a record-breaking true random number generator (TRNG) that uses the random motion of electrons to generate secure random numbers. The device, which is more compact and faster than previous TRNGs, has exceeded NIST standards with a high min-entropy value of 0.98.
Electronic nematicity, a key feature of iron-based superconductors, is primarily driven by spin excitations in FeSe. The study uses RIXS to reveal the spin anisotropies underlying this phenomenon, shedding light on its origin and potential impact on high-temperature superconductivity.
Researchers have discovered a way to mitigate significant losses in spin current transport by integrating an atom-thin insulator between materials. This innovation has important implications for energy-efficient and ultra-fast storage technologies, as well as applications in terahertz emitters and other spintronic devices.
A team of scientists at Argonne National Laboratory has developed a new qubit platform formed by freezing neon gas into a solid and trapping an electron there. The platform shows great promise in achieving ideal building blocks for future quantum computers, with promising coherence times competitive with state-of-the-art qubits.
A research team from City University of Hong Kong and Imperial College London developed a new strategy for highly efficient and stable perovskite solar cells using ferrocene molecules. The breakthrough invention can achieve efficiency of up to 25% while maintaining stability, making it a promising alternative to silicon solar cells.
The MARATHON experiment has accessed new details about the particles that build our universe by comparing mirror nuclei helium-3 and tritium. The results provided a precise determination of the ratio of proton/neutron structure function ratios, offering new insights into the internal structures of protons and neutrons.
Researchers observed rapid electron precipitation from low-Earth orbit using the ELFIN mission, which was caused by whistler waves affecting electrons in the Earth's magnetosphere. The findings demonstrate that whistler waves are responsible for far more electron rain than current theories and space weather models predict.
Researchers investigated the shortest possible time scale of optoelectronic phenomena and found that it cannot be increased beyond one petahertz. The experiments used ultra-short laser pulses to create free charge carriers in materials, which were then moved by a second pulse to generate an electric current.
Researchers at Northwestern University have developed an electron-based catalyst for noncovalent bonding, promoting self-assembly and complex structure formation. This breakthrough enables the control of molecular recognition processes at a fundamental level.
A WVU postdoctoral researcher has made a groundbreaking discovery in the field of magnetic reconnection, which can be used to predict space weather events that affect satellite and power grid systems. The study uses advanced laser diagnostics to measure electron speeds, providing new insights into plasma physics processes.
Researchers have imaged and measured the two parts of a unique particle called moiré exciton, extending their lifespan. They found that excitons are localized in tiny pockets of around 1.8 nanometers, forming in places where energy is minimal.
Rice University physicists have developed a technique to engineer Rydberg states of ultracold strontium atoms, creating 'synthetic dimensions' that simulate real materials. This breakthrough enables the creation of interacting particles in a controlled environment, paving the way for new physics and material properties.
Researchers used a COLTRIMS reaction microscope to determine the duration of an electron's release after photon absorption. The study found that the emission time depends on the direction and velocity of the electron, revealing a complex interplay between quantum physics and molecular dynamics.
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 use scanning tunneling microscopes to visualize electrons in graphene, discovering crystal structures that exhibit spatial periodicity corresponding to quantum superposition. These findings shed light on the complex quantum phases electrons can form due to their interactions.
Researchers have developed conducting systems that control electron spin and transmit a spin current over long distances without ultra-cold temperatures. This breakthrough enables the creation of new technologies for encoding and transmitting information at room temperature.
Researchers at the University of Manchester observed the Schwinger effect using graphene-based devices, producing particle-antiparticle pairs from a vacuum. They also discovered an unusual high-energy process where electrons became superluminous, providing an electric current higher than allowed by general rules.
A physicist at Lancaster University has suggested an alternative approach to calculate radiation reaction, which has sparked controversy. The proposed method considers the effects of many charged particles on each other's fields, rather than self-interaction, leading to new insights into energy and momentum conservation.
MIT physicists detected a hybrid particle composed of an electron and phonon, with a bond 10 times stronger than known hybrids. The discovery could enable scientists to manipulate material properties through dual control, leading to new magnetic semiconductors and ultra-efficient electronics.
Researchers find that male golden orb-weaving spiders use animal magnetism and physical forces to approach females without being detected. By sensing vibrations on the web, males can balance risk and reward to survive, demonstrating complex decision-making capabilities.
A team led by Prof. Dr. Maria Hoflund developed a method to focus broadband XUV radiation with a high demagnification factor, enabling the creation of high-intensity XUV pulses with attosecond pulse duration.
A team of nuclear physicists used electron studies to validate neutrino-nucleus interaction models, highlighting the need for updates to achieve accurate results in upcoming neutrino experiments. The study utilized an electron-scattering version of GENIE, a theoretical simulation used in neutrino research.
A combined experimental and computational study published in Nature Catalysis introduces a new class of complex metal hydride catalysts that can synthesise ammonia at temperatures as low as 300°C and pressures as low as 1 bar. These catalysts have the potential to pave the way for more sustainable means of ammonia production.
A team of chemists at MIT has developed a method to control the blinking phenomenon in quantum dots using mid-infrared laser light, eliminating intermittency for precise applications. This technique may also be applicable to other materials, enabling new uses in biological research and quantum information science.
Researchers find that triangular-patterned materials can exhibit a mashup of three different phases, with each phase overlapping and competing for dominance. As temperature increases, the material becomes more ordered due to the breaking down of these competing electron arrangements.
An international research team has measured neutron form factors with previously unattained precision, filling a blank space on the map. The new data provides a more comprehensive picture of the neutron's size and lifetime, and reveals oscillating patterns in its form factor.