Electric Field Current Events

Electric Field Current Events, Electric Field News Articles.
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Delft University of Technology rotates electron spin with electric field
Researchers at the Delft University of Technology's Kavli Institute of Nanoscience and the Foundation for Fundamental Research on Matter have succeeded in controlling the spin of a single electron merely by using electric fields. This clears the way for a much simpler realization of the building blocks of a (future) super-fast quantum computer. The scientists will publish their work in Science Express on Thursday, Nov. 1. (2007-11-01)

Grant to study how cells sense electric fields
Learning how living cells can detect and respond to electric fields is the aim of a $570,000, three-year grant from the National Science Foundation to UC Davis researchers. (2010-01-26)

Thunderstorm research shocks conventional theories
If Joseph Dwyer, Florida Tech associate professor of physics, is right, then a lot of what we thought we knew about thunderstorms and lightning is probably wrong. In the latest issue of Geophysical Research Letters, the National Science Foundation CAREER Award winner caps two years of lightning research with a startling conclusion: The conditions inside thunderstorms that were long thought necessary to produce lightning actually do not exist in nature. (2003-11-05)

Graphene-Adsorbate van der Waals bonding memory inspires 'smart' graphene sensors
Electric field modulation of the graphene-adsorbate interaction induces unique van der Waals (vdW) bonding which were previously assumed to be randomized by thermal energy after the electric field is turned off. We show that the vdW bonding lasts for hours after turning-off the electric field, exhibiting a charge-transfer and carrier scattering memory useful for 'beyond sensing' applications in molecular identification, memory devices and conformational switches. (2020-07-16)

New family of materials for energy-efficient information storage and processing
Hexagonal rare earth ferrites have been demonstrated to exhibit both spontaneous electric and magnetic dipole moments (as a rare case), which may enable couplings of the static electric and magnetic fields in these materials, suggesting application in energy-efficient information storage and processing. (2014-09-12)

New electric car to be part of the research at DTU
A brand new, beautifully decorated Peugeot iOn has been put into use at Risoe DTU. It will be part of the EDISON project. (2011-06-01)

New effect couples electricity and magnetism in materials
Electricity and magnetism are closely linked -- but up until now, they were thought to lead to quite different effects in materials. Now a strong coupling between the two has been found, which could open the door to new high-frequency electronics. (2013-11-27)

Mechanical properties of nanomaterials are altered due to electric field, researchers find
University of Wyoming researchers for the first time have found that the electric field changes the fracture toughness of nanomaterials. (2016-01-08)

APS tip sheet: The neutron's electric dipole moment
Techniques for studying the neutron's electrical charges have reached a new level of sensitivity. (2020-02-24)

Magnetic shielding of ion beam thruster walls
Magnetic shielding may enable ion drives to power new deep space missions. (2013-02-13)

University of Oklahoma researchers discover giant Rydberg atom molecules
A group of University of Oklahoma researchers led by Dr. James P. Shaffer, Homer L. Dodge Department of Physics and Astronomy, have discovered giant Rydberg molecules with a bond as large as a red blood cell. Determining how Rydberg molecules interact is important because Rydberg atoms are a key ingredient in atom based quantum computation schemes. (2009-06-24)

Detecting the shape of laser pulses
A team of researchers at the Center for Relativistic Laser Science, within the Institute for Basic Science (IBS) have developed a method to measure the shape of laser pulses in ambient air. Unlike conventional strategies, it is does not require a vacuum environment and can be applied to laser beams of different wavelengths (UV, visible or longer). This patented technique, currently available for technology transfer and commercialization, has now been published in Optica, and it is expected to accelerate studies on light-matter interaction. (2018-05-17)

Shedding light on the mystery of the superconducting dome
University of Groningen physicists, and colleagues from Nijmegen and Hong Kong, have induced superconductivity in a monolayer of tungsten disulfide. By using an increasing electric field, they were able to show how the material turns from an insulator into a superconductor and then back into a 're-entrant' insulator again. Their results show the typical 'dome-shaped' superconducting phase, and finally provide an explanation for this phenomenon. (2018-03-19)

University of Pennsylvania student creates electric tweezers; now everyone can have a desktop lab
The ability to sort cells or manipulate microscopic particles could soon be in the hands of small laboratories, high schools and amateur scientists, thanks to University of Pennsylvania engineers. They have created 'electric tweezers' that can manipulate and move almost any object seen on a simple microscope slide. The Penn device performs some of the same tasks as laser tweezers, yet at a price anticipated to be near that of high-end desktop computer. (2006-08-18)

A novel scheme to enhance local electric fields around metal nanostructures
Enhanced electric fields make major contributions to nonlinear optical properties. To realize such an enhancement, a novel scheme is presented involving manipulation of the incident wave. This allows the superposition of the electric fields of multiple beams of light to work as the excitation source, which may result in larger electric fields when the phase difference between the multiple beams of light is designed appropriately. (2012-10-20)

Strong fields and ultrafast motions - how to generate and steer electrons in liquid water
Water molecules undergo ultrafast dithering motions at room temperature and generate extremely strong electric fields in their environment. New experiments demonstrate how in presence of such fields free electrons are generated and manipulated in the liquid with the help of an external terahertz field. (2020-09-02)

Researchers realize nanoscale electrometry based on magnetic-field-resistant spin sensor
USTC researchers proposed a robust electrometric method utilizing continuous dynamic decoupling (CDD) technique, where the continuous driving fields provide a magnetic-field-resistant dressed frame. (2020-07-17)

Spintronics by 'straintronics'
Data storage in magnetic media is very energy consuming. Novel materials could reduce the energy needed to control magnetic memories thus contributing to a smaller carbon footprint of the IT sector. Now an international team led by HZB has observed at the HZB lightsource BESSY II a new phenomenon in iron nanograins: whereas normally the magnetic moments of the iron grains are disordered at room temperature, this can be changed by applying an electric field. (2019-02-14)

AIC and Tecnalia present the electric vehicle motor incorporated into the 4 wheels
AIC-Automotive Intelligence Center and Tecnalia present the latest technological innovation they have developed in the field of the electric vehicle: the in-wheel motor. This technology is the outcome of the European EUNICE project, which they have been developing together over the last four years. (2015-10-01)

Study tests performance of electric solid propellant
Electric solid propellants are being explored for use in dual-mode rocket engines because they aren't susceptible to ignite from a spark or flame and can be turned on and off electrically. Researchers from the University of Illinois at Urbana-Champaign, Missouri University of Science and Technology, and NASA conducted experiments to understand the behavior of a high-performance electric propellant compared with a traditional propellant. (2019-09-03)

Kazan University puts forth ideas on the nature of dark matter
As we currently know, dark energy and dark matter comprise 96 percent of the total mass of the Universe. Two main hypotheses about the nature of dark matter are presently debated. One of them posits that dark matter consists of massive compact halo objects, the other ascribes this property to weakly interacting mass particles. (2019-02-05)

New genus of electric fish discovered in 'lost world' of South America
A previously unknown genus of electric fish has been identified in a remote region of South America by team of international researchers including University of Toronto Scarborough professor Nathan Lovejoy. (2013-09-24)

Controlling magnetism with an electric field
Scientists are now proposing a novel approach to achieve greater memory density while producing less heat: by using an electric field instead of a current to turn magnetism on and off, thereby encoding the electrical devices. (2014-02-18)

Scoping magnetic fields out for prevention
Concerns about the effects of magnetic fields on human health require us to limit our exposure to them. In a new study in EPJ Plus, physicists Jose Manuel Ferreira and Joaquim Anacleto from the Trás-os-Montes e Alto Douro University, Portugal, develop a method for evaluating the circulation of magnetic fields in closed loops. This can help to limit exposure in electric and hybrid vehicle architectures, and in domestic and work environments. (2018-07-11)

Charge it: Neutral atoms made to act like electrically charged particles
Completing the circuit they started by creating synthetic magnetic fields, scientists from the Joint Quantum Institute have made atoms act as if they were charged particles in electric fields. (2011-03-31)

Spintronics: Controlling magnetic spin with electric fields
EPFL physicists have found a way to reverse electron spins using electric fields for the first time, paving the way for programmable spintronics technologies. (2018-06-19)

Liquid crystal's chaotic inner dynamics
Polish physicists have demonstrated that the application of a very strong alternating electric field to thin liquid crystal cells leads to a new distinct dynamic effect in the response of the cells. The theory of spatio-temporal chaos explains this effect. It was elucidated by Wojciech Jeżewski and colleagues from the Institute of Molecular Physics, Polish Academy of Sciences, in Poznań, Poland, and is about to be published in EPJ E. (2013-01-24)

KAIST finds the principle of electric wind in plasma
A KAIST team identified the basic principle of electric wind in plasma. This finding will contribute to developing technology in various applications of plasma, including fluid control technology. (2018-03-01)

Research: Electric fields make ceramic production quicker, cheaper, better
Researchers from North Carolina State University have found that applying a small electric field results in faster formation of ceramic products during manufacture at lower temperatures, and enhances the strength of the ceramic itself. (2010-06-01)

One more hit from rare Earth: Efficient coherent spin manipulation by the electric field
Researchers used rare earth ions to efficiently couple the electric and magnetic behaviors of material. They realized convenient coherent controlling of electron spins with the electric field, aiming at fabricating applicable quantum computation devices. (2020-08-21)

Perspectives on using pulse electric field to enhance biogas yield in anaerobic digestion
The usage of pulsed electric field for conditioning substrates can significantly enhance biogas yield in commercial biogas plants. Although the primary effect of the electric field is cracking cell structures for better availability of nutrition, other effects like shockwave, electrophoresis or influence on the metabolic condition of cells can play a role. The aim of this review is the presentation of possible effects and a judgement in terms of economic factors like biogas yield and hydraulic retention time. (2015-08-03)

Sixth sense: How do we sense electric fields?
A variety of animals are able to sense and react to electric fields, and living human cells will move along an electric field, for example in wound healing. Now UC Davis researchers have found the first actual 'sensor mechanism' that allows a living cell detect an electric field. (2015-10-12)

Tracking the evolution Maxwell knots
A new study published in EPJ C by Alexei Morozov and Nikita Tselousov, from the Institute of Theoretical and Experimental Physics and the Institute of Transmission Problems, Moscow, respectively, details peculiar solutions to the Maxwell equations--so-called Maxwell knots. The research could have applications in the fields of mathematical physics and string theory. (2021-01-18)

Researchers produce synthetic Hall Effect to achieve one-way radio transmission
Researchers at the University of Illinois at Urbana-Champaign have replicated one of the most well-known electromagnetic effects in physics, the Hall Effect, using radio waves (photons) instead of electric current (electrons). Their technique could be used to create advanced communication systems that boost signal transmission in one direction while simultaneously absorbing signals going in the opposite direction. (2019-09-12)

Magnetic switch gets closer to application
Scientists from Paris, Newcastle and Helmholtz-Zentrum Berlin have been able to switch on and off robust ferromagnetism close to room temperature by using low electric fields. Their results are inspiring for future applications in low-power spintronics, for instance, in fast, efficient and nonvolatile data storage technologies. (2014-01-27)

New wave: JILA develops efficient source of terahertz radiation
JILA researchers have developed a laser-based source of terahertz radiation that is unusually efficient and less prone to damage than similar systems. The technology might be useful in applications such as detecting trace gases or imaging weapons in security screening. (2011-01-20)

Breakthrough made in atomically thin magnets
Cornell researchers have become the first to control atomically thin magnets with an electric field, a breakthrough that provides a blueprint for producing exceptionally powerful and efficient data storage in computer chips, among other applications. (2018-04-04)

When spiders balloon through the air, it's (literally) electric
Spiders can travel many hundreds of miles through the air by releasing silk and floating away. Researchers had thought that ballooning behavior required drag forces from wind or thermals. But, now researchers reporting in the journal Current Biology on July 5 show that electric fields at strengths found in nature not only trigger ballooning, but also provide lift, even in the absence of any air movement. (2018-07-05)

Exploding stars help to understand thunderclouds on Earth
How is lightning initiated in thunderclouds? This is difficult to answer -- how do you measure electric fields inside large, dangerously charged clouds? It was discovered, more or less by coincidence, that cosmic rays provide suitable probes to measure electric fields within thunderclouds. This surprising finding is published in Physical Review Letters on April 22. The measurements were performed with the LOFAR radio telescope located in the Netherlands. (2015-04-22)

Looking at complex light wave forms
Using a new method, researchers can see for the first time how weak electric fields evolve in time. (2017-05-31)

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