English
Arabic
Chinese (Simplified)
Dutch
Esperanto
French
German
Greek
Italian
Japanese
Korean
Portuguese
Russian
Spanish
UrduThe observation of nonlinearity in electron spin-related processes in graphene makes it easier to transport, manipulate and detect spins, as well as spin-to-charge conversion. It also allows analogue operations such as amplitude modulation and spin amplification. This brings spintronics to…
Tag: ELECTROMAGNETICS
Pulp succeeded in diet? Determining the slenderization of wood pulp
Scientists at Osaka University develop a test to measure the quality of nanofibrillation for wood pulp using its natural optical birefringence, which may lead to clear definition and sophisticated utilization of wooden cellulose nanofibers
Physicists solve geometrical puzzle in electromagnetism
A team of scientists have solved the longstanding problem of how electrons move together as a group inside cylindrical nanoparticles. The new research provides an unexpected theoretical breakthrough in the field of electromagnetism, with perspectives for metamaterials research. The team…
Flexible and powerful electronics
University of Tsukuba researchers improve the electrical conductivity of organic electrochemical transistors using ionic liquids, creating an ionic gel conductor that may form the basis of flexible electronics and efficient photovoltaics
Information transport in antiferromagnets via pseudospin-magnons
New perspectives for information technologies
Faraday fabrics?
MXene-coated fabric could contain electronic interference in wearable devices
Faster and more efficient information transfer
Physicists use antiferromagnetic rust to carry information over long distances at room temperature
JILA’s electric ‘knob’ tunes chemical reaction rates in quantum gas
Building on their newfound ability to induce molecules in ultracold gases to interact with each other over long distances, JILA researchers have used an electric “knob” to influence molecular collisions and dramatically raise or lower chemical reaction rates. These super-chilly…
Energy-efficient magnetic RAM: A new building block for spintronic technologies
Researchers at Pohang University of Science and Technology (POSTECH) and Seoul National University in South Korea have demonstrated a new way to enhance the energy efficiency of a non-volatile magnetic memory device called SOT-MRAM. Published in Advanced Materials , this…
In your face: a compact RGB scanning projector for wearable displays and smart glasses
Scientists develop a miniature laser-based device for projecting color HD video on the retina
“Game changer” perovskite can detect gamma rays
Perovskites are materials made up of organic compounds bound to a metal. Propelled into the forefront of materials’ research because of their structure and properties, perovskites are earmarked for a wide range of applications, including in solar cells, LED lights,…
Ultrafast dynamics of chiral spin structures observed after optical excitation
Investigation of femtosecond time-resolved x-ray scattering signals reveals a faster chiral compared to collinear magnetic order dynamics
New JILA tools ‘turn on’ quantum gases of ultracold molecules
JILA researchers have developed tools to “turn on” quantum gases of ultracold molecules, gaining control of long-distance molecular interactions for potential applications such as encoding data for quantum computing and simulations. The new scheme for nudging a molecular gas down…
Scientists model photoluminescence kinetics in semiconductor nanoplatelets for better optoelectroni
Researchers from Skoltech and their colleagues have built two models that accurately explain the light-emitting behavior of semiconductor nanoplatelets, minuscule structures that can become the building blocks for optoelectronics of the future. The paper was published in the journal Physical…
Hunting out hidden hydrogen: novel holey nanosheets for detecting hydrogen gas leaks
Scientists develop hydrogen sensors with holey zinc oxide “nanosheets” to prevent accidents from hydrogen gas leaks
Research develops new theoretical approach to manipulate light
The quest to discover pioneering new ways in which to manipulate how light travels through electromagnetic materials has taken a new, unusual twist. An innovative research project, carried out by experts from the University of Exeter, has developed a new…
Split wave
HZDR team develops component for neuromorphic computer
Rise of the underdog: a neglected mechanism in antiferromagnets may be key to spintronics
Enormous efforts are being made worldwide in a technological field that could far surpass the capabilities of conventional electronics: spintronics. Instead of operating based on the collective movement of charged particles (electrons), spintronic devices could perform memory storage and data…
No strings attached: maximizing wireless charging efficiency with multiple transmitters
New control strategy dynamically changes transmitter currents for optimal wireless charging in moving devices, such as robots and electric cars
How to cool more efficiently
Scientists break new ground in future refrigeration
Nanomaterials enable dual-mode heating and cooling device
Device could cut HVAC energy use by nearly 20% in the US
Accelerator makes cross-country trek to enable laser upgrade
Jefferson Lab ships its final accelerator section for a project to upgrade the world’s brightest X-ray laser
An INRS research team pushes back the boundaries of high-energy laser pulses
Montréal and Québec City, November 19, 2020 – Using the Advanced Laser Light Source (ALLS) facility, the research team of Professor François Légaré of the Institut national de la recherche scientifique (INRS) has pushed back the boundaries of high-energy pulse…
Army, MIT explore materials for transforming robots made of robots
ABERDEEN PROVING GROUND, Md. — Scientists from the U.S. Army and MIT’s Center for Bits and Atoms created a new way to link materials with unique mechanical properties, opening up the possibility of future military robots made of robots. The…
Scientists develop a magnetic switch with lower energy consumption
Magnetic materials are ubiquitous in modern society, present in nearly all the technological devices we use every day. In particular, personal electronics like smartphones/watches, tablets, and desktop computers all rely on magnetic material to store information. Information in modern devices…
Spintronics advances — Controlling magnetization direction of magnetite at room temperature
Scientists develop an energy-efficient strategy to reversibly change ‘spin orientation’ or magnetization direction in magnetite at room temperature
Looking inside the glass
Tokyo, Japan – A team of researchers from the Institute of Industrial Science at The University of Tokyo used advanced electron spectroscopy and computer simulations to better understand the internal atomic structure of aluminosilicate glass. They found complex coordination networks…
Surrey reveals simple method to produce high performing Lithium Selenium batteries
Rechargeable lithium-ion batteries (LIBs) are considered the best hope for next-generation battery technology, thanks to their long-life cycle, high specific power and energy density. However, they have not met the ever-increasing demands of emerging technologies such as electric vehicles. Li-Se…
Researchers develop ultra-fast polymer modulators that can take the heat
Silicon-polymer hybrid modulators capable of optical data rates of 200 Gbit/s at temperatures up to 110 °C could help reduce datacenter cooling costs
Sorting out viruses with machine learning
The ongoing global pandemic has created an urgent need for rapid tests that can diagnose the presence of the SARS-CoV-2 virus, the pathogen that causes COVID-19, and distinguish it from other respiratory viruses.
New strategy to ‘buffer’ climate change: developing cheaper, eco-friendly solar cells
New study develops a novel eco-friendly buffer for solar panels, which could tip the scale in the renewable energy transition
Sorting out viruses with machine learning
Scientists at Osaka University develop a label-free method for identifying respiratory viruses based on changes in electrical current when they pass through silicon nanopores, which may lead to new rapid COVID-19 tests
Attosecond boost for electron microscopy
Electron microscopes provide deep insight into the smallest details of matter and can reveal, for example, the atomic configuration of materials, the structure of proteins or the shape of virus particles. However, most materials in nature are not static and…
USask physicist teams up with U.K. partners in world-first program of quantum technologies
As part of a new U.K.-Canada collaboration, a University of Saskatchewan quantum physics team will develop a highly sensitive and precise sensor for measuring magnetic fields, a technology of potential benefit for geological prospecting, medicine, and quantum computers. USask physicist…
New kind of superconductivity discovered
Researchers demonstrate a superconductor previously thought impossible
A new candidate material for quantum spin liquids
In 1973, physicist and later Nobel laureate Philip W. Anderson proposed a bizarre state of matter: the quantum spin liquid (QSL). Unlike the everyday liquids we know, the QSL actually has to do with magnetism – and magnetism has to…
Higher-resolution imaging of living, moving cells using plasmonic metasurfaces
Metasurface of self-assembled gold nanoparticles shown to improve resolution of fluorescence images of living cells under a widefield optical microscope to the theoretical limit
Scientists design magnets with outstanding properties
New lightweight magnets have possible real-world applications
Laser-powered nanomotors chart their own course
Tokyo, Japan – Researchers from the Institute of Industrial Science, the University of Tokyo (UTokyo-IIS) have designed novel linear nanomotors that can be moved in controlled directions using light. This work opens the way for new microfluidics, including lab-on-a-chip systems…
‘Transparent solar cells’ can take us towards a new era of personalized energy
Scientists design novel transparent solar cells using thin silicon films, with efficient power generation
Towards next-generation molecule-based magnets
Magnets are to be found everywhere in our daily lives, whether in satellites, telephones or on fridge doors. However, they are made up of heavy inorganic materials whose component elements are, in some cases, of limited availability. Now, researchers from…
Reliable quality-control of graphene and other 2D materials is routinely possible
Graphene and other single-atom-thick substances are a category of wonder materials, with researchers the world over investigating their electronic properties for potential applications in technologies as diverse as solar cells, novel semiconductors, sensors, and energy storage. The greatest challenge for…
Researchers break magnetic memory speed record
Advance could lead to new generation of ultrafast computer chips that retain data even when there is no power
Physicists circumvent centuries-old theory to cancel magnetic fields
The ability to cancel magnetic fields has benefits in quantum technology, biomedicine and neurology
Scientists explain the paradox of quantum forces in nanodevices
Researchers proposed a new approach to describe the interaction of metals with electromagnetic fluctuations (i.e., with random bursts of electric and magnetic fields).
City, University of London academics develop algorithm to analyse HeLa cancer cells
Dr Constantino Carlos Reyes-Aldasoro and Dr Cefa Karabag collaborate with the Francis Crick Institute on a novel approach published in the PLoS ONE journal, which significantly reduces the amount of time taken to analyse the cell line
Odds are good for unique 2D compound
Perovskites synthesized at Rice University show potential for valleytronics applications
Charging electric cars up to 90% in 6 minutes
With Telsa in the lead, the electric vehicle market is growing around the world. Unlike conventional cars that use internal combustion engines, electric cars are solely powered by lithium ion batteries, so the battery performance defines the car’s overall performance.…
QCLs exhibit extreme pulses
Extreme events in quantum cascade lasers enable an optical neuron system 10,000× faster than biological neurons
FEFU scientists helped design a new type of ceramics for laser applications
Material scientists from Far Eastern Federal University (FEFU) joined an international team of researchers to develop new nanocomposite ceramics (Ho3+:Y2O3-MgO) that can be employed in high-capacity laser systems operating in the medium infrared range (IR) of 2-6 micrometers. These lasers…