Articles tagged with Applied Physics
A team at the University of Vienna has developed a method to controllably create single atomic vacancies in hexagonal boron nitride (hBN) using ultra-high vacuum and aberration-corrected scanning transmission electron microscopy. This breakthrough enables the creation of defects that can emit single photons, opening up new opportunitie...
Researchers have developed a meta-holographic display that generates holograms in both the visible and ultraviolet spectral regions. The breakthrough overcomes previous limitations and enables applications in security technologies such as anti-counterfeiting measures.
Scientists have developed a novel photonics system that can measure low-energy dynamics of complex physical phenomena with high time resolution. This breakthrough approach combines terahertz spectroscopy and real-time monitoring to facilitate discoveries in materials science.
An international team of scientists has successfully measured the electron spin in matter for the first time using kagome materials. The results could revolutionize the study of quantum materials, with potential applications in renewable energy, biomedicine, electronics, and quantum computing.
Researchers investigated LECs made from Super Yellow and found that increasing voltage applied resulted in increased emission and ESR signals. Theoretical analysis showed holes and electrons being electrochemically doped into the material, leading to a correlation with luminance increase.
Researchers at the University of Tsukuba created a liquid droplet-based laser that remains stable under ambient conditions and can be tuned using gas convection. The development enables the creation of flexible optical communication devices with potential applications in airflow detectors and fiber-optics communications.
Researchers at Max Born Institute find that ultrafast mid-infrared excitation of electrons in bismuth reduces crystal symmetry, opening new quantum pathways for coherent phonon excitation. This leads to bidirectional atomic motions and oscillations with a frequency different from low-excitation levels.
Scientists at the University of Michigan have created a structure called 'fire ice' using nanoparticles, which harnesses a strange physical phenomenon to manipulate light. The finding showcases an unusual effect called entropy compartmentalization, where entropic forces stabilize even more complex crystals.
Researchers at Aalto University create a new bolometer that can accurately measure microwave power down to the femtowatt level at ultra-low temperatures. This breakthrough device has the potential to significantly advance quantum computing and technology, enabling more precise control over qubits and improving overall performance.
The new design improves detection sensitivity and reduces response time by controlling fluid flow, promoting uniform VOC concentration. The authors plan to further optimize the chamber structure for ultrasensitive volatile sensing.
A team of researchers successfully controlled 'trions,' a breakthrough toward developing revolutionary optical communication technology. They used a nanoscale plasmonic waveguide to create high-purity trions, which offer advantages over excitons in practical device applications.
A comprehensive manual has been developed to engineer spin dynamics in nanomagnets, revealing mechanisms behind magnon interactions. The rules formulated by the researchers can help debug and design nanomagnet devices for next-generation computation technologies.
Researchers have successfully developed a hybrid photonic neural network chip that can perform fast and efficient on-chip backpropagation training. This breakthrough paves the way for scalable, energy-efficient machine learning technologies with potential to reduce carbon footprint and costs of AI computation.
Researchers from The University of Tokyo have created a machine that can recharge N95 respirators and surgical masks to 97% efficiency. By applying a uniform voltage distribution, the device restores the mask's electrostatic charge, increasing its effectiveness.
An international research team has confirmed for the first time that mutual information in a many-body quantum system scales with surface area rather than volume. The experiment used ultracold atoms and a special tomography technique to measure the shared information.
The researchers proposed a type of ultra-tunable bistable structure with programmable energy barriers and trigger forces. The structures can be customized for various robotic applications, demonstrating superior performances in high-speed locomotion, adaptive sensing, and fast grasping.
A new study in Nature Photonics demonstrates that quantum entanglement improves the precision of optomechanical sensors, enabling more accurate navigation without GPS. The technology also holds promise for detecting dark matter by identifying subtle forces.
Researchers at the Institute of Industrial Science at The University of Tokyo have found that phonons in isotopically pure carbon can behave like a fluid, allowing for faster heat conduction. This phenomenon, known as phonon Poiseuille flow, has implications for cooling sensitive computer processors and improving efficiency in electron...
A research team from Tokyo University of Agriculture and Technology has developed an image-based AI model to predict the deformation of a splashing drop. The trained encoder-decoder successfully generated image sequences that show the deformation of a drop during impact, demonstrating accurate predictions.
Researchers developed a nano-excitonic transistor that controls excitons to process massive amounts of data at the speed of light with minimal heat energy loss. This technology has potential applications in optical computing and realizing an era of data explosion driven by AI.
The POSTECH team developed a multifunctional tip-enhanced spectroscopy that dynamically controls the physical properties of quasiparticles in 2D materials. This technology increases interlayer excitons' luminous efficiency by 9,000 times and modulates their energy.
A research team at Toyohashi University of Technology discovered that the flickering of flames can be controlled by moving two flames closer together or further apart. By periodically adjusting the distance between flames, they were able to stably express the state of “stopping the flickering of flames”, a phenomenon previously unknown...
Scientists at TU Wien have developed a technique to control the shape and size of nano gold structures using highly charged ions. The experiment shows that the impact force is not the decisive factor, but rather the electrical charge of the ions, which deposits energy at the point of impact and disrupts the crystal structure of the gold.
Researchers at the University of Missouri are acquiring a new transmission electron microscope (TEM) with a $800,000 grant from the National Science Foundation. The TEM will allow them to conduct experiments in real-time and gain a greater understanding of material structure at an atomic level.
A team of researchers has successfully captured highly polarized X-ray transitions using a combination of state-of-the-art instruments. The experiment revealed the presence of quantum interference effects, which were initially thought to be absent in atomic physics.
The study reveals hydrated salts can lose their facets and become soft when slowly dissolved in humid air, exhibiting liquid-like molecular mobility at their surfaces. This finding challenges the conventional understanding of crystal formation and behavior.
A team of researchers from the University of Michigan has developed a way to control the degree of twist in nanostructured particles, opening up new avenues for machine vision and medicine production. The development enables robots to accurately navigate complex environments by encoding information in twisted light, which is preferenti...
Researchers pioneered a technique to observe the 3D internal structure of rechargeable batteries, enabling direct observation of the solid electric interface (SEI) and its progression. The study reveals key predictors of SEI layer formation in a complex interplay of molecular dimensions, surface properties, and solvent interactions.
A new method devised by Rensselaer Polytechnic Institute's Moussa N'Gom enables effective free-space optical communication between satellites and the ground, unaffected by rain and clouds. The ultrafast lasers create a long filament of light that clears space for visible light transmission.
Scientists at Tokyo University of Science develop a novel technique to evaluate the electric double layer effect, achieving carrier modulation and improved switching response speed control. The EDL effect is reduced with certain electrolytes, leading to faster charging times.
Researchers at UC Santa Cruz have discovered that graphene quantum dots can detect magnetic fields at the nano scale with high spatial resolution. The unique properties of graphene electrons, which behave like massless particles, create highly sensitive current loops that respond to external magnetic fields.
Researchers discovered that glassy-winged sharpshooters use a 'superpropulsion' mechanism to launch droplets of pee at high speeds, conserving energy in the process. This innovative strategy helps the insect efficiently excrete its 99% water fluid waste.
Researchers at West Virginia University have developed a new theory that extends the first law of thermodynamics to systems not in equilibrium. This breakthrough has numerous potential applications across physics and other sciences, including studying plasmas in space and low-temperature plasmas.
Scientists developed a sensitive nanostructured silver surface to detect arsenic in water, food and soil using surface-enhanced Raman spectroscopy (SERS). The new technique is more sensitive and easier to produce than existing methods, making it ideal for on-site field assays.
Researchers at City University of Hong Kong develop a self-charging electrostatic face mask that can continuously replenish its electrostatic charge through the user's breathing. The mask provides high-efficiency airborne particle removal with 95.8% effectiveness after 60 hours of testing.
A new study uses Fourier analysis to understand how deep neural networks learn complex physics. By analyzing the equation of a fully trained model, researchers were able to identify crucial information about how the network learns and generalizes. This breakthrough could accelerate the use of scientific deep learning in climate science.
The new optical resonator developed by Capasso's team provides precise control over the mode of light and enables multi-mode coupled light to exist within the resonator. This breakthrough could influence how resonators are understood and open doors for new capabilities, including fundamental physics experiments and manipulation of mate...
Scientists successfully record phase distribution of electrons, unveiling detailed structure of its complex wavefunction. The method uses attosecond laser pulse to visualize electron wavefunction in a gas.
A new nanopore-based sensing device explores the aggregation of tau and tubulin proteins in neurodegenerative diseases such as Alzheimer's and Parkinson's. The device provides volume information about protein molecules and their states at the single-molecule level, offering insights into protein binding and aggregation.
Researchers present a new 'ionocaloric' refrigeration system that leverages phase transitions to drive reversible cooling cycles, offering a promising alternative to traditional hydrofluorocarbon-based systems. The system shows high efficiency and potential environmental benefits.
A new method bridges the quantum and classical worlds, enabling interaction-free detection of microwave pulses with a superconducting circuit. This breakthrough demonstrates genuine quantum advantage using a simpler setup, with potential applications in quantum computing, optical imaging, and cryptographic key distribution.
University of Houston researchers have made a groundbreaking discovery in cubic boron arsenide, demonstrating exceptional high carrier mobility. This finding has significant implications for the development of efficient semiconductors, with potential applications in various electronic and optical fields.
Researchers compared two semiconductor simulation tools and found that the Fermi kinetics transport solver outperforms a commercial hydrodynamics software package in modeling electronic heat flow and electron temperature, particularly in high-speed applications. The custom-developed code converges faster and provides more consistent re...
Researchers at the University of Tsukuba have developed an optoelectronic resonator that enhances the sensitivity of an electron pulse detector, allowing for ultrafast electronic characterization of proteins or materials. This breakthrough may aid in the study of biomolecules and industrial materials.
Researchers have developed a new X-ray technology that visualizes lung tissue microstructure, providing additional information for accurate diagnosis. Dark-field X-ray images can differentiate between diseased and healthy lung tissue, potentially replacing computed tomography (CT) for repeated examinations.
Researchers developed a 3-in-1 microscope that combines light, electron and ion beams to precisely cut out specific slices from biological samples. This allows for more accurate biomolecular research into new medicines.
Researchers at Chalmers University have developed an optical hydrogen sensor that can detect extremely low levels of hydrogen, allowing for early detection and alarm. The sensor uses AI technology to optimize particle arrangement and geometry, achieving sensitivity in the parts per billion range.
Materials like graphene can withstand charged ions, while others form nano-sized pores when hit. The researchers developed a model to predict this behavior, which could be used to create tailored membranes with specific nanopores.
A University of South Australia physicist has solved the long-standing mystery of lightning's zig-zag pattern and dark electric column. The breakthrough explains how singlet-delta metastable oxygen molecules create these steps.
Scientists at Quaise Energy are developing a new technology using millimeter waves to blast rock and create deep holes for geothermal energy production. This approach has the potential to provide more than enough clean energy to meet world demand as we transition away from fossil fuels.
Scientists at Tokyo Tech developed an electrostatic actuator capable of generating forces comparable to human muscles, but with lower voltage requirements. The device uses ferroelectric liquid crystals and a 3D-printed electrode to produce contraction and expansion at low voltages.
The Princeton Plasma Physics Laboratory (PPPL) has received over $12 million in funding from the US Department of Energy to speed up the development of a pilot plant powered by fusion energy. This initiative aims to accelerate the production of clean and abundant electricity, a crucial step towards mitigating climate change.
Researchers created an information engine using a glass bead suspended in water, exploiting thermal noise to convert it into work. The system uses Bayesian estimates to filter out measurement errors and performs significantly better than typical engines when noise is high.
Researchers at UNH tested state-of-the-art calculations of the strong force with an experiment probing proton spin, finding agreement with one but not the other. The findings provide a benchmark for testing the strong force and its applications in future technology.
Researchers at MIT have developed a new method that uses optics to accelerate machine-learning computations on low-power devices. By encoding model components onto light waves, data can be transmitted rapidly and computations performed quickly, leading to over a hundredfold improvement in energy efficiency.
Omnipose, a deep learning software, can identify various types of tiny objects in micrographs with high precision, including bacteria of all shapes and sizes. It overcomes limitations of previous approaches by handling object overlap and detecting cell intoxication, making it a game-changer for biological image analysis.
Researchers capture electron movement in attoseconds, enabling more precise observation of electrons in solids and semiconductors. This breakthrough could lead to the development of novel quantum materials with tailored properties and help create scalable quantum information technology.
A research team from POSTECH and KAIST found that cations play a crucial role in converting CO2 into valuable chemical products like ethylene. The study reveals a new mechanism for high-performance catalytic conditions, paving the way for carbon-neutral technologies.
A research team has found a novel operating regime that prevents destructive plasma instabilities in fusion reactors, allowing for the controlled injection of particles at the plasma edge. This approach could lead to a more stable and efficient fusion reactor design.
Researchers from Rice University and European institutions developed a method to switch on and off topological states in a strongly correlated metal using magnetic fields. The strong electron interactions enable the material to be controlled, which could lead to new applications in sensor technology and electronics.