Articles tagged with Electrical Conductivity
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Researchers at Ruhr-University Bochum have developed a novel approach to water-based circuits using laser technology. The method creates an ultra-fast liquid switch that can conduct electricity at terahertz frequencies, similar to metals.
Researchers developed a new method to target diseased neurons using light, changing their long-term behavior. The approach uses light-sensitive enzymes to create insulating or conductive coatings on cell membranes, tuning excitability in neurons.
Researchers at Pusan National University have developed a new, energy-efficient process to control the orientation of filler particles in thermally conductive polymer composites. This allows for improved heat dissipation in electronics and batteries, reducing energy costs and extending device lifespan.
Researchers at Nagoya University have uncovered the mechanism behind ruthenium phosphide's transition from metal to insulator, revealing a unique crystal structure and molecular bonding. This discovery could lead to the development of faster responding sensors and smart windows that change light transmittance depending on temperature.
Researchers at KAUST have developed a soft and flexible electronic 'e-skin' that can detect minute temperature differences between inhalation and exhalation, as well as touch and body motion. The material's island-bridge atomic structure provides an inherent softness and flexibility ideal for on-skin applications.
Scientists at Tel Aviv University have developed a method to create the thinnest possible ladder steps made of distinct electric potentials, which can be used as independent information units. The discovery enables the creation of novel devices with potential applications in electronics and optomechanics.
Researchers at Brookhaven National Laboratory create a new way to guide the self-assembly of novel nanoscale structures using simple polymers as starting materials. The team describes their approach in a paper published in Nature Communications, which shows that different shapes have dramatically different electrical conductivity.
Researchers create dendrite-free Li metal anodes using porous MXene lattices and ultra-thick LFP cathodes, achieving unprecedented areal capacity and energy density. The 3D printed batteries outperform current state-of-the-art lithium-ion batteries.
A new AI-based chemical sensor can accurately detect specific gases in the air by analyzing temperature changes in a microbeam resonator. The device uses machine learning to differentiate between gases with varying thermal conductivities, achieving 100% accuracy in identifying helium, argon, and CO2.
Researchers at UNIST have developed a method to synthesize single-crystalline graphite films of up to inch scale, overcoming the critical issue of small size due to weak interaction between layers. The resulting films exhibit exceptional thermal conductivity and uniform quality.
Researchers create a material with disordered molecular structure that conducts electricity well, defying conventional theories. The material's stability and versatility make it promising for new electronic devices.
Researchers from Gwangju Institute of Science and Technology have developed a method to eliminate residual organic metal-binding ligands from transition metal oxide thin films, resulting in improved device stability and performance. The technique achieved a 20-fold enhancement in electrical conductivity and a 17.6% increase in efficiency.
The researchers designed and fabricated three different paper-based metamaterials using their new technique, including a polarization converter, an absorber, and a conformal coding metasurface. These materials demonstrated unique properties such as high conductivity and radar cross-section reduction.
Imperial College London researchers have developed a new low-cost sensor thread called PECOTEX that can be embedded into clothing to monitor vital signs. The sensors, which cost $0.15 to produce, can track breathing, heart rate, and gases like ammonia, potentially leading to diagnosis and monitoring of disease.
Physicists at the University of Groningen have observed a significant increase in magnon conductivity in ultrathin YIG films, surpassing expectations by three orders of magnitude. This unexpected result could lead to new devices and discoveries in spintronics.
Researchers developed a conductive and electrocatalytic mediator for Li-S batteries by modulating the MoSe2 functional plane through doping-defect engineering. This approach improves lithium polysulfide adsorption, reducing the shuttle effect and enhancing overall battery performance.
Researchers at KAUST developed conductive membranes that stimulate microbial growth and separate biochemical products, reducing the CO2 conversion time from over 30 days to just one month. The membranes use nickel nanoparticles to catalyze hydrogen production, enhancing efficiency and stability in microbial electrosynthesis systems.
Researchers from Osaka University developed a versatile method for preparing heterodimensional superlattices, exhibiting anisotropic electrical conductivity and the anomalous Hall effect at room temperature. This innovation promises to enhance data storage density, lighting efficiency, and electronic device speed.
Researchers observe a significant increase in electrical conductivity when mica is thinned down to few molecular layers, exhibiting semiconductor-like behavior. The findings suggest that thin mica flakes have the potential to be used in two-dimensional electronic devices with exceptional stability and durability.
The University of Houston research team has successfully developed a method for 3D printing organic semiconductor devices using multiphoton lithography, enabling the creation of highly conductive microstructures. The technology has potential applications in emerging fields such as nanoelectronics and bioelectronics.
Researchers developed a method to create conductive hydrogels using laser-induced phase separation, allowing for safe neural electrode implantation. The process enables precise reading of neural signals and electrical stimulation while minimizing immune response.
Researchers at Ural Federal University have synthesized a proton conductor with high electrical conductivity, which could become the basis for solid oxide fuel cells. The new material is potentially cost-effective and exhibits higher electrical conductivity than other solid-state conductors.
A new study using subsurface imaging sheds light on the geological connection between Yellowstone's iconic hydrothermal features and deeper heat sources. The research team detected hydrothermal alteration and found a remarkable similarity in deep structure beneath areas such as Norris Geyser Basin and Lower Geyser Basin.
A team of researchers from Osaka University has developed a simple system based on electrochemical reactions that can perform complex calculations. The system uses polyoxometalate molecules and deionized water to process information and solve nonlinear problems.
Researchers at Nagoya University have discovered a Ta2PdSe6 crystal with an unprecedented large Peltier conductivity, reaching 100 A cm^-1 K^-1 at 10 K. The team attributes this to the high mobility and low concentration of holes within the crystal.
A new study proposes a clean technique to dope graphene via a charge-transfer layer made of low-impurity tungsten oxyselenide (TOS), increasing its electrical mobility. The researchers found that doping graphene with TOS resulted in higher electrical conductivity and transparency compared to previous methods.
Scientists fabricate 1D and 2D boron sulfide (BS) nanosheets with unique electronic properties that can be controlled by changing the number of layers. The bandgap energy decreases as more layers are added, making BS a potential n-type semiconductor material.
Researchers develop conductive, wash-durable yarn for wearable heaters using poly(3,4-ethylenedioxythiophene) and poly(4-styrenesulfonate). The treated yarn can distribute heat at a safe operating voltage when sewn into fabric, providing steady warmth even in cold conditions.
Scientists found that amorphous carbon coatings used to protect optical fibers from moisture can break down due to interaction with water molecules. The coating's thickness increases, leading to an irreversible increase in electrical resistance and a decrease in transparency.
Researchers have measured the transverse electrical resistivity of a single carbon fiber using the van der Pauw method, revealing directional-dependent properties. This discovery paves the way for developing lightning strike protection technologies for aerospace and other industries.
Researchers from Pusan University developed a super-stretchable, deformable, and durable material for 'super-flexible' alternating current electroluminescent devices. The material was successfully applied in devices that functioned with up to 1200% elongation, displaying stable luminescence over 1000 cycles.
Groundwater extraction in Iran has declined by an average of 18% due to physical limits, while deep well extraction has increased, leading to further depletion. The study reveals widespread aquifer depletion and salinization across all 30 sub-basins, posing significant risks to the country's water resources.
A unique Ag-hydrogel composite offers high electrical conductivity while maintaining soft compliance and deformability. The composite has applications in wearable electronics, brain sensors, and treating muscular disorders, such as Parkinson's disease.
A research group led by Dr. Qingyang Hu discovered a hydrous mineral that enters an exotic superionic phase, similar to water ice in giant planets. The team found that this superionic state may lead to a significant increase in electrical conductivity, potentially changing our understanding of Earth's mantle convection.
Researchers at the University of Groningen have developed an efficient organic thermoelectric material made from buckyballs with organic side chains. This breakthrough enhances the material's ability to convert temperature differences into electricity, making it suitable for powering wearable electronics and sensors.
Researchers developed a novel two-dimensional titanium carbide MXene film serving as an efficient flexible electrode for light-emitting diodes. The MXene-based LEDs exhibit high efficiency and flexibility, surpassing conventional indium tin oxide-based devices.
Researchers at the University of Jyvaskyla and Xiamen University have discovered a novel method for creating functional macroscopic crystalline materials. The material exhibits highly anisotropic electrical conductivity, with significant differences in behavior along its polymer direction versus perpendicular directions. Theoretical mo...
Researchers at Shinshu University have developed a method to selectively dope boron into the outer tubes of double-walled carbon nanotubes, increasing electrical conductivity and Seebeck coefficient. This advancement enables highly enhanced thermoelectric performance in boron-doped DWNTs for waste heat harvesting and other applications.
Researchers from POSTECH have successfully developed a flexible battery with thin and three-dimensional organic electrode, increasing energy density by four times. The new technology uses a three-dimensional copper collector to lower the weight of a battery by 10 times more than conventional copper collectors.
Researchers at MIT have developed a transparent, conductive coating material that increases the electrical conductivity of high-efficiency solar cells by tenfold. The new material also enhances the stability and efficiency of perovskite-based solar cells.
Researchers have synthesized a novel sponge-like 2D material with interesting electrical conductivity and magnetic properties. The material, NiTAA-MOF, can conduct electricity when doped with iodine, making it potentially useful for optoelectronics and energy storage.
Researchers at ETH Zurich measured how electrons in transition metals redistribute within a fraction of an optical oscillation cycle. The study demonstrates the possibility of ultrafast control of material properties, which could inform the development of faster electronic components.
A new material developed by the KIST-Stanford team exhibits high stretchability, high electrical conductivity, and self-healability. The material was tested as an interconnect and successfully transmitted biometric signals from a human body to a robotic arm, mimicking human movements in real-time.
Researchers discovered that applying mechanical pressure to tetraethylammonium di-iodine triiodide increases its conductivity. The pressure-induced changes lead to the formation of CT chains, making TEAI a tunable pressure-sensitive electric switch.
Researchers have identified key parameters influencing electrical conductivity in doped organic conductors, enabling further increases in performance. The study reveals molecular complexes with oppositely charged molecules play a crucial role in determining electrical conductivity levels.
Researchers have explored graphene family of materials for their potential use in targeted drug delivery and cellular imaging. These nano-biomaterials exhibit excellent physicochemical properties, making them suitable for various biomedical applications.
Researchers discovered microbes that share a meal by transferring electricity through conductive particles, outcompeting other microorganisms. This unusual partnership results in the production of methane, a potent greenhouse gas, but also holds promise for sustainable biotechnology applications.
Researchers from CFAED at TU Dresden have made a significant discovery in organic semiconductors by uncovering doping. The team simulated and experimentally verified the doping properties of prototypic materials C60 and ZnPc using density of states and Fermi level position analysis.
Researchers at Hokkaido University developed a novel approach to improve thermoelectric material performance by harnessing high mobility two-dimensional electron gas. This enables efficient heat-to-electricity conversion, overcoming current limitations in industrial applications.
Scientists at Nagoya University developed a new material that conducts electricity and emits white light when exposed to electricity. The 'responsive porous host' method allows for predictable synthesis of stimuli-responsive materials with potential applications in memory devices, artificial muscles, and drug delivery systems.
Researchers studied the electrical conductivity of hydrous silicate minerals under controlled temperature and pressure to understand water distribution in the Earth's interior. The study found that dehydration and pressure effects significantly impact bulk conductivity, with implications for understanding subduction zones.
Researchers have discovered a multifractal spatial structure in disordered materials that can turn them from conductors to insulators. This finding has significant implications for understanding the behavior of disordered materials, which are found in amorphous solids like glass and biological tissue.
A new technique uses high-energy alpha particles to transform thermoelectric materials into more efficient versions, even improving electrical conductivity and thermopower. The research could lead to significant advancements in clean energy and device cooling applications.
The microcombing technique creates large, pure CNT films that are stronger than previous ones and have improved electrical conductivity. The films can be made lightweight and are twice as strong as previous CNT fibers.
The XPD beamline at NSLS-II achieved its first scientific commissioning experiment, yielding valuable information about ruthenium diselenide's thermoelectric properties. The study revealed the relationship between atomic structure and thermopower, shedding light on why RuSe2 has a high thermopower but low electrical conductivity.
Sandia National Laboratories researchers have devised a novel technique to increase the electrical conductivity of metal-organic framework (MOF) materials by over six orders of magnitude. This breakthrough has significant implications for the development of new electronics, sensors, energy conversion and storage technologies.
Washington State University researchers discovered a 400-fold increase in electrical conductivity of strontium titanate when exposed to light. This phenomenon, known as persistent photoconductivity, could lead to significant improvements in electronic device performance and capacity, especially with the development of holographic memory.
Researchers have used computer simulations to demonstrate a universal increase in electrical conductivity of many materials under strong electric fields. This finding has significant implications for systems in electrochemistry, biochemistry, and electrical engineering.
Researchers at Stanford have developed a new technique to pack molecules closer together in organic semiconductors, more than doubling the speed of electrical charge movement. This breakthrough enables faster electronics for foldable devices and solar-powered energy harvesting.
Researchers developed an economical method to detect groundwater in semi-arid hard rock areas by analyzing electrical conductivity logs. The approach revealed differences in subterranean rock fissures and correlated with regions of underground water. This technique may be useful for identifying the most abundant sources of groundwater.