Articles tagged with Electric Fields
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Researchers at Hokkaido University developed a novel ferroelectric plastic crystal that can control its electric polarization. The crystal's unique properties make it suitable for applications in non-volatile ferroelectric random-access memory devices.
Researchers at ETH Zurich have investigated how electrons respond to extremely fast electric fields, reaching speeds of up to petahertz. They observed that the absorption of diamond varied characteristically following the rhythm of the oscillating electric field, confirming the dynamical Franz-Keldysh effect.
Researchers have developed a theoretical framework to quantify the degree of transparency of 2D materials to an electrostatic field. This allows for microscopic control over charged carriers in bulk semiconductors, leading to next-generation optoelectronics with lower power consumption.
Researchers at Tel Aviv and Harvard Universities developed a method to control collagen-cell proliferation that produces scarring, using short pulsed electric fields. This technique, called partial irreversible electroporation (pIRE), reduces scar area by 57.9% in animal models.
Researchers have discovered a new mechanism for generating electric currents that leads to improved plasma confinement, solving a long-standing problem in fusion reactor development. The study found that the difference in trajectories between electrons and ions plays a crucial role in creating this electric current.
University of Illinois researchers introduce nanoscale ripples in graphene using rod-shaped bacteria, creating a new material with unique electronic properties. The resulting material exhibits altered conductivity at right angles to the original direction.
New research from AGU explores the effects of The Blob and El Niño on West Coast productivity, while a Jovian moon dust study may aid future space missions. Meanwhile, a Sahara Desert study reveals electric forces lifting 10 times more dust into the air than winds alone.
A new microfluidic device has been developed to study the effects of electric fields on cancer cells, effectively stopping their growth and spread. The device uses low-intensity, middle-frequency electric fields to preserve healthy cells.
Researchers from the University of Pennsylvania demonstrate a multiscale simulation of lead titanate oxide, providing new understanding of polarizations within these materials. The study shows that domain walls move across ferroelectric materials like wildfire, but can be easily stopped once the electric field is removed.
New research reveals an 'electric wind' strong enough to remove water components from Venus' upper atmosphere, stripping it of its oceans. This powerful electric field accelerates oxygen ions to escape speeds, contributing to the loss of atmospheric gases.
A new study published in Geophysical Research Letters reveals that Venus' electric field is capable of accelerating oxygen ions to escape the planet's gravity, stripping away significant amounts of water over billions of years. This discovery challenges previous theories about the planet's loss of oceans and atmospheres.
Researchers discovered weaker electric currents in diabetic wounds, which can lead to delayed healing and increase the risk of complications. This finding opens up new avenues for managing diabetic patients and could have significant implications for reducing healthcare costs associated with chronic ulcers and wounds.
Researchers found that electrical fields enhanced macrophage migration and phagocytosis, cleaning the wound site and boosting healing ability. This discovery may have wide-reaching implications for diseases where macrophages play a role.
Researchers at the University of Bristol discovered that bumblebees' tiny hairs deflect in response to electric fields, but only the hairs alert the bee's nervous system. This finding suggests that electroreception in insects may be more common than previously thought.
A team of scientists developed a theoretical model explaining the high values of linear magnetoelectric effect in BiFeO3. The effect can enhance materials for industrial applications and control magnetic properties with electric fields.
A PhD student at OIST Graduate University created a plastic insert that modifies the pathways of the electric current in a circular shape, making each current path of the same distance. This design enables researchers to study cells in a uniform electric field, even in circular-shaped environments like petri dishes.
Researchers found that repeated spot microdischarges in microelectronic devices cause a temperature increase, which reduces the electric field and leads to preferential breakdown at the previous discharge location. This study provides insights into the role of residual heat build-up and its impact on device stability.
Researchers found a remarkable proton-conducting material in the jelly of sharks' unique electrosensory organs, with conductivity only 40 times lower than Nafion. The discovery may contribute to future studies on shark sensing and unconventional sensor technology.
Indian researchers have conducted analyses to electrically increase liquid flow in pump-free microfluidic devices. By implementing an electric field component, they can enhance on-the-fly controllability of the flow rate, aiding studies on targeted drug delivery and biophysical fluid transport.
Researchers at Penn State have developed a nanowire array that can cool about 5.5 degrees Fahrenheit using 36 volts, an electric field level safe for humans. The material is flexible, can be powered by a 500g battery pack for two hours, and could potentially be incorporated into firefighting gear or athletic uniforms.
A team of engineers at Drexel University has developed a method for making bacteria-powered microrobots agile, enabling them to detect obstacles and navigate around them. The robots use electric fields to steer clear of hazards, providing a new level of automation in hybrid microrobotics research.
Physics students at Umeå University are developing an instrument to measure the electric field of the lunar surface, a first for the Moon. The project aims to provide more knowledge about the electric field, crucial for future missions to the Moon and other celestial bodies.
Researchers at Australian National University have successfully controlled chemical reactions using static electricity, improving reaction rates by a factor of five. The breakthrough could lead to cleaner industry, cheaper nanotechnology, and unprecedented control over chemical processes.
A new device may significantly speed up the process of inserting DNA into bacteria, which is a critical first step in genetic engineering. The device, developed by MIT engineers, uses a microfluidic system to identify optimal electric field conditions for reversible membrane poration.
Researchers at INSA de Lyon discovered a way to improve electrostrictive polymer energy harvesting by introducing plasticizers, increasing efficiency and sensitivity. This breakthrough enables the development of piezoelectric active sensors for force measurement.
University of Wyoming researchers discover that electric fields alter the fracture toughness of nanomaterials, opening new avenues for studying material properties. The findings are crucial for applications and fundamental research in nanoelectromechanical systems.
Researchers at NUS have discovered a method to manipulate electrons in thin semiconductors by encapsulating them in atomically thin materials and applying external electric and magnetic fields. This technique enables reversible control of electron behavior, paving the way for new applications in high-temperature superconductivity.
The Magnetospheric Multiscale (MMS) mission is providing unprecedented insights into magnetic reconnection, a process that drives giant magnetic bursts and oscillations in Earth's magnetic fields. Scientists are using MMS' high-resolution measurements to better understand the role of magnetic reconnection in shaping the space environme...
Cuttlefish use electrical fields to mask their presence from sharks, reducing the bioelectric field by up to 89% when arms are over siphons. This technology is used in combination with visual camouflage to protect against predation.
A new technology uses oscillating electric fields to isolate drug-delivery nanoparticles from blood, overcoming traditional separation methods' limitations. The device can recover nanoparticles in various processes and monitor their interaction with blood proteins.
Researchers at the US Naval Research Laboratory have developed luminescent nanoparticles to image brain function, enabling real-time mapping of neural connections. The nanoparticles, specifically quantum dots, can track action potential changes with high fidelity and are ideal for interfacing with neurons.
Researchers at Lehigh University and the University of Colorado Boulder discovered that an electric field can lower the softening temperature of glass, allowing for significant energy savings in traditional forming approaches. This phenomenon has potential applications in micro- and nano-forming operations and high-precision nanostamping.
The electric eel has been found to possess intricate maneuvering techniques, allowing it to double its electrical shock on larger prey. Its electrical system also enables remote control over prey muscles, producing strong muscle contractions. The eel uses high-voltage pulses to track fast-moving prey and detect hidden meals.
Researchers have discovered that electric eels can double the power of their electrical discharge by curling up their bodies, allowing them to handle larger and more struggling prey. This behavior enables the eels to induce involuntary fatigue in prey, rendering them temporarily immobilized.
Researchers have identified a two-molecule sensing mechanism that allows human cells to detect electric fields, opening up new avenues for understanding wound healing and cellular movement.
Scientists have developed a new method to analyze the movement of specific atoms in dielectric materials when exposed to an electric field. This technique uses X-rays and advanced mathematical analysis to determine changes in atomic placement within the crystalline structure of the material.
Scientists at SISSA and Northwestern University propose a new model for creating multiferroic materials that combine magnetism and ferroelectricity in the same substance. Theoretical study shows promise for controlling ferroelectricity with magnetism, paving the way for new technologies.
Researchers from the University of Washington will observe and measure dusty plasmas in Earth's outer atmosphere using a rocket launch. The CAREII mission aims to improve models and understand how dusty plasmas disrupt radio-based communications and tracking systems.
Researchers have designed a new device that can convert a DC electric field into a tunable source of terahertz radiation. The device exploits surface plasmon resonance in hybrid semiconductors to produce coherent terahertz emission, with potential applications in medical imaging and security.
Researchers review the use of pulse electric fields to boost biogas yield in anaerobic digestion, finding significant benefits in lab and pilot plant studies. The technology has shown promising results in enhancing gas production with minimal side effects on microbial communities.
A team of Tel Aviv University and Harvard Medical School researchers has devised a novel non-invasive technique harnessing pulsed electric fields to generate new skin tissue growth, producing scarless skin rejuvenation. This technology may serve as a novel non-invasive skin therapy for multiple degenerative skin diseases.
Scientists at ETH Zurich have developed a technique to manipulate domain walls in multiferroic materials, which could lead to new technologies in data storage and electronics. The discovery shows that domain walls can be selectively shifted or altered using electrical fields, paving the way for new applications.
Researchers at UC Davis identified genes linked to electrotaxis in amoebas, which could help understand electrical signals detection. The study's findings may lead to new insights into wound healing and tissue development.
Researchers from Paris and Helmholtz-Zentrum Berlin successfully switched ferromagnetic domains on and off with a low-voltage electric field near room temperature. This breakthrough could lead to the development of efficient data storage devices with reduced power consumption.
Researchers have discovered a new way to harness the defects in liquid crystals to create novel meta-materials with potential applications in optics and electronics. By exploiting these 'defect lines', scientists can remotely interact among colloidal particles, allowing for energy-efficient control and unprecedented plasticity.
Researchers used cosmic rays to measure electric fields in thunderclouds, revealing strengths of up to 50 kV/m. This new method provides a better understanding of lightning activity and contributes to more accurate predictions.
A team of researchers from the University of Cambridge has proposed that electromagnetic waves are generated by symmetry breaking in dielectric materials. This discovery could enable ultra-small antennas for wireless communications and aid understanding of electromagnetism and quantum mechanics crossover.
Researchers at Lomonosov Moscow State University have developed a new theory that sheds light on electroosmotic flow in hydrophobic surfaces. The theory resolves long-standing paradoxes and provides explanations for phenomena like zeta potential measurements of bubbles and drops.
Researchers have developed a new technology to preserve milk without refrigeration or chemicals, reducing waste and increasing income for small farmers. Pulsed electric fields can kill bacteria and extend shelf life without constant electricity supply.
Researchers applied an electric field to a section of the Keystone pipeline, smoothing oil flow and reducing pump energy savings. The Applied Oil Technology (AOT) device produced significant reductions in viscosity and turbulence, leading to a 75% decrease in pump power from 2.8 megawatts to 0.7 megawatts.
A team at Cornell University has developed a room-temperature magnetoelectric memory device that can switch between magnetic states using an electric field. This breakthrough could enable low-power computing and make instant-on devices a reality.
Scientists successfully reversed magnetization direction in a multiferroic device using an electric field, overcoming thermodynamic barriers. The two-step switching process relies on ferroelectric polarization and oxygen octahedral rotation.
Researchers at UNL pinpoint characteristics of laser pulses that can control electron behavior, enabling predictive and controlled electron motion. The study's findings offer a new signature for classifying experimentally produced laser pulses.
A team of researchers from Euclid TechLabs and Argonne National Laboratory has demonstrated a plug-and-play field-emission solution based on ultrananocrystalline diamond (UNCD) for microwave electron guns. The solution produces high-quality electron beams with low angle divergence and energy spread, comparable to photocathodes.
University of Michigan researchers demonstrate how chains of self-assembling particles can form and extend when exposed to an alternating electric field. This innovation could enable electronics that rewire on demand and pave the way for development of tiny, mobile robots with potential applications in medicine and manufacturing.
The new NIST probe uses quantum properties of atoms to measure electric field strength with improved sensitivity and precision. It can calibrate itself and has been demonstrated for imaging applications, with potential applications in electronics and medical devices.
Researchers have discovered a new family of hexagonal rare earth ferrites that exhibit ferroelectricity and ferromagnetism simultaneously. This phenomenon enables the magnetoelectric memory effect, which could significantly improve energy efficiency in information storage and processing.
Scientists from the University of Mainz have created a tunable spin-charge converter based on GaAs, which can transform charge currents into spin currents with high efficiency. The device leverages the spin-Hall effect and electric field manipulation to achieve this goal.
Scientists at Brookhaven National Laboratory discovered nanoscale asymmetries and charge preferences in ferroelectrics, explaining operational limits. These findings open new pathways for ferroelectric technology, despite material fatigue and intrinsic charge preferences.
Researchers simulated DNA knots and their dynamics using electric fields and optical tweezers, enabling controlled movement of the knot. This study provides useful information for setting up new experiments to control DNA knot movement.