Articles tagged with Capacitors
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Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
Researchers have developed a new capacitor dielectric material providing an electrical energy storage capacity similar to certain batteries. The hybrid sol-gel material shows maximum extractable energy densities up to 40 joules per cubic centimeter, exceeding conventional electrolytic capacitors and thin-film lithium ion batteries.
Researchers have created a 3D-printed wireless sensor that can detect signs of spoilage in food, such as changes in milk's electrical characteristics. The technology has the potential to provide food safety alerts for consumers and customize electronic devices for packaging and health applications.
Researchers at the University of California - San Diego have discovered a method to increase electric charge storage in graphene, a two-dimensional form of carbon. The 'holey' structure introduces charged defects that increase capacitance by three-fold, making it useful for quick bursts of energy.
Researchers at MIT have developed a new transmitter design that reduces off-state leakage 100-fold, allowing for longer battery life in IoT devices. The circuit uses a charge pump to generate a negative charge when idle, reducing power consumption by 20 picowatts.
Researchers at the Niels Bohr Institute developed a new optomechanical method that achieves extreme precision in measuring radio waves by avoiding noise with laser light. The detector can operate at room temperature, reducing the need for expensive cooling measures.
Researchers developed a new method to create ultrathin capacitors with significantly higher capacitance density than commercially available products. This breakthrough could enable the use of printed circuit boards and memory storage devices in next-gen electronics.
Scientists have developed a new method to control magnetism using an electric field, reducing heat generation and increasing memory density. This innovation has significant implications for the development of more efficient electronic devices, such as MRAM and logic chips.
MIT researchers have developed a new method for manufacturing filters in frequency-hopping radios that enables 14 times more filters on a single chip. This improvement increases the performance of these devices while minimizing space constraints, making them ideal for handheld devices. The new approach uses techniques already common in...
University of Granada researchers have developed an Advanced Random Access Memory (A-RAM) device that overcomes miniaturization challenges in DRAM cells, enabling long retention times and low battery consumption. The innovation has been patented and demonstrated experimentally, with companies like Samsung and Hynix showing interest.
Researchers at ORNL have discovered a new theory explaining unusual properties in bismuth samarium ferrite, a lead-free material for sensors and ultrasound machines. The team used electron microscopy to map atomic structure and found flexoelectricity behind the observed behavior.
Penn researchers created the first physical demonstration of 'lumped' optical circuit elements, a milestone in the nascent field of metatronics. By manipulating light waves with nanorods, they replicated the function of electronic circuit elements like resistors and capacitors.
A team of researchers at NC State University has discovered the mechanism behind high-speed energy storage in capacitors using a PVDF polymer. This finding could lead to more powerful and efficient electric cars that can accelerate quickly, rivaling gasoline-powered sports cars.
The Boltzmann constant has been re-determined by PTB scientists using Dielectric-Constant Gas Thermometry, with an uncertainty of 8 ppm. This achievement demonstrates that DCGT is suitable for determining fundamental constants and brings the country closer to redefining the kelvin unit.
Researchers at Case Western Reserve University have developed a novel capacitor design that could significantly increase energy density in power supplies for electric cars. The new technology uses titanium alloy and advanced materials to create a highly efficient and compact device capable of absorbing and providing surges of electricity.
Rensselaer Polytechnic Institute researchers are developing a novel ceramic material for energy storage, aiming to overcome a key bottleneck in large-scale wind and solar power generation. The goal is to create nanoengineered capacitors that can store energy quickly and efficiently.
Researchers developed ferroelectric polymer-based capacitors that deliver power more rapidly and are much lighter than conventional batteries. By tuning the dielectric property and energy density, they created materials with high performance and flexibility.
Researchers at the University of Illinois have developed a method for sequencing DNA using nanopores, which could lead to a device that reads human genomes quickly and affordably. The technique produces an electrostatic fingerprint that can be used to read the genetic sequence, enabling precise diagnosis and tailored treatment procedures.
Physicists have created the world's first heat transistor and remotely controlled nanomachines, enabling tiny refrigerators and heaters. The team also found that air pressure affects landing on Martian dunes, making low-pressure atmospheres favorable for robot landings.
Researchers at Georgia Tech have developed a new technique to create films of barium titanate nanoparticles in a polymer matrix, allowing for improved capacitors that store twice as much energy as existing devices. The technique uses tailored organic phosphonic acids to encapsulate and modify the surface of the nanoparticles.
UCSB researchers discovered that a 'dielectric dead layer' at the metal-insulator interface limits the size of thin-film capacitors. The team found metals with good screening properties can improve capacitance properties.