Articles tagged with Silicon
Researchers have developed a light emitter and detector that can be integrated into silicon CMOS chips, overcoming the interconnect bottleneck. The device uses an ultrathin semiconductor material called molybdenum ditelluride, which emits light in the infrared range, not absorbed by silicon.
Researchers pack laser-written structures deep into silicon chips, enabling arbitrary 3D fabrication without layers above or below. The method also enables creating functional optical devices and 3D sculpturing of entire wafers.
Researchers achieve submilliamp threshold of 0.6 mA at near-infrared 1.3μm for micro-laser with radius of 5 μm, representing a major step towards miniaturization and low power consumption on silicon platform.
Engineers at University of New South Wales invent radical new architecture for quantum computing based on novel 'flip-flop qubits'. The design allows for silicon quantum processor that can be scaled up without precise placement of atoms, enabling easier fabrication and placement of thousands or millions of qubits.
Researchers have uncovered a reason why semiconductors lose their ability to carry electricity as they become more densely doped. They found that transient bonding of dopant ions with the semiconductor base material impeds conduction, but now know how to design smarter systems to minimize this effect.
Researchers have discovered a way to improve Li-ion battery technology by replacing graphite with silicon, quadrupling anode capacity. The new material has been found to be more suitable when particles are sized between 10-20 micrometres and have the right porosity.
A new device developed by Washington State University physicist Yi Gu converts heat energy into electricity up to three times more efficiently than silicon. The multilayered composite material, called a van der Waals Schottky diode, has the potential to provide an extra source of power for electronics, cars, and other devices.
Scientists developed a new anode material with improved specific capacity and stability, using silicon- and germanium-based materials. The material's three-dimensional architecture provides high energy efficiency for next-generation energy storage systems.
Researchers found that high levels of silicon concentrations decrease insect growth and root consumption by up to 71%. Silicon helps plants build phytoliths, making them less digestible to insects, and triggering an immune system response. This natural defense mechanism could provide a sustainable solution for crop protection.
Researchers at Stanford University have discovered two semiconductors that can form high-quality insulators when exposed to oxygen, a trait shared by silicon but not other semiconductors. The new materials can be shrunk to atomic thinness and require less energy than silicon circuits, making them ideal for future devices.
Scientists have developed a way to delete and replace out-of-place atoms in silicon chips, correcting communication pathways and enabling the creation of perfect patterns. This breakthrough allows for the production of ultra-low power atomic circuitry at room temperature, revolutionizing the field of electronics.
Researchers at Osaka University develop new method to create submicron structures on silicon surfaces, reducing reflection and increasing infrared light capture. The approach improves power conversion efficiency of solar cells while keeping manufacturing costs low.
The CUDOS research group has created compact, mass manufacturable optical circuits by integrating nonlinear glasses with silicon-based material. This breakthrough enables faster data processing and opens up opportunities for miniaturizing photonics devices, from laptops to smartphones.
A KAIST research team developed molecular pulley binders for high-capacity silicon anodes in lithium ion batteries, improving charge-discharge cycles. The innovative binding system, inspired by the 'mechanical bond' concept, enhances electrode stability and capacity retention.
Researchers used polyrotaxane to create a silicon anode that expands and contracts more easily, boosting battery performance. The technique allows for high volumetric and energy densities similar to commercialized lithium-ion batteries.
A team of researchers from the University of Cambridge and the US has demonstrated a non-toxic alternative to lead for use in next-generation solar cells, using bismuth oxyiodide. The material shows comparable performance to current silicon-based solar cells, with efficiencies up to 22%.
A new study shows that rooftop concentrating photovoltaics can produce over 50% more energy than standard silicon solar cells, reaching 30% efficiency in outdoor testing. The system's embedded microtracking technology enables efficient tracking of the sun and maximizes energy production.
Scientists at Cardiff University have discovered new molecules, including formylium and sulphur monoxide, within the remnants of Supernova 1987A. This suggests that supernovae can create clouds of molecules and dust at extremely cold temperatures, similar to those in stellar nurseries where stars are born.
Researchers at MIT and Stanford developed a 3D chip that integrates computing and data storage, overcoming communication bottlenecks. The chip uses carbon nanotubes and RRAM cells, enabling dense and fine-grained integration of computating and data storage.
Researchers have successfully developed a new material that promises to improve the strength and durability of microscopic sensors. The alloy, made from nickel, molybdenum, and tungsten, exhibits extraordinary properties, including high tensile strength three times greater than high-strength steel.
Researchers created a nanomechanical resonator that confines vibrations to a small region, boosting coherence and achieving unprecedented Q-factors. This enables new generations of quantum sensors and force microscopy, with potential applications in probing quantum limits and molecular resolution imaging.
A research team from China University of Geosciences and Lomonosov Moscow State University studied the impact of wildfire on testate amoebae. They found that fire led to significant changes in the structure of testate amoeba communities, with some microorganisms surviving while others died.
Engineer Dr. Joseph S. Friedman designs a novel computing system made solely from carbon that might replace silicon transistors in electronics. The resulting all-carbon spin logic proposal enables cascaded logic gates with increased performance and potential terahertz clock speeds.
A new dynamic hybrid device technology has been discovered, combining semiconducting molecules C60 with layered materials graphene and hBN to create a unique material that revolutionizes smart devices. The material boasts improved physical properties, including stability, electronic compatibility, and lightness.
Scientists have found a biocompatible material in silicon that can heat up quickly and signal its temperature through Raman scattering. The nanoparticles are more efficient than gold at converting laser radiation into heat, making them a potential cheaper alternative to metal-based treatments.
Scientists at the University of Illinois have created a lithium-ion battery with improved durability using a self-healing material. The new material helps maintain the electrode's ability to store energy, increasing overall performance and lifespan.
A team of researchers has found a way to achieve the highly sought-after tetragonal phase of hafnia, a material for computer chips and transistors, at 1100 degrees Fahrenheit. This breakthrough could lead to more powerful and efficient electronics.
Scientists at Penn State report breakthroughs in stenciling 2D materials with atomic precision, enabling new chip functionality and overcoming substrate effects. The simple technique involves exposing photoresist to UV light and washing away exposed areas, allowing precise placement of high-quality materials.
Researchers at UCR's Bourns College of Engineering turned waste glass bottles into nanosilicon anodes for high-performance lithium-ion batteries. The new battery technology stores more energy, charges faster, and is more stable than commercial coin cell batteries.
MIT engineers developed a technique using graphene to transfer crystalline patterns onto semiconductor wafers, reducing wafer costs and opening opportunities for exotic materials. The method allows manufacturers to copy and peel off semiconducting layers, reusing the original wafer multiple times.
Engineers at MIT have created a method to iron out wrinkles in graphene, producing uniform performance and increasing its electrical conductivity. The technique enables the mass production of single-domain graphene wafer-scale, paving the way for faster electronic devices.
Researchers at UC Davis and W&WSens Devices, Inc. developed a new type of photodetector that uses tapered holes to divert photons sideways, preserving the speed of thin-layer silicon and efficiency of thicker layers. The device can convert data from optical to electronics at 20 gigabytes per second, outperforming existing technology.
A KSU engineer has patented a waterlike polymer that transforms into a ceramic at high temperatures, offering valuable thermal, optical and electronic properties. The liquid polymer can be mass-produced and used to create lightweight ceramics, jet engine blades and battery electrodes.
Researchers at DESY synthesised the first transparent sample of cubic silicon nitride, a popular industrial ceramic that can withstand extreme temperatures and pressures. The new material has potential industrial applications in engines and other high-performance industries.
Researchers from Aalto University have developed a nanotube film that can replace traditional materials in perovskite solar cells, improving their stability and lifetime. The new material has conductivity as high as possible and can be made transparent and thin, making it suitable for use as the front contact of the cell.
A silicon optical switch developed at Sandia National Laboratories can transmit up to 10 gigabits per second of data at temperatures near absolute zero. The device operates by using light traveling through an optical fiber, reducing heat and increasing efficiency.
Researchers at FAU successfully generate electron packets with lengths of 1.3 femtoseconds, enabling imaging of atomic movements on ultra-short time scales. The method uses laser-controlled acceleration, deceleration, and deflection of electrons, paving the way for ultra-high resolution electron microscopes.
Researchers at TUM have produced a composite material combining silicon nanosheets and a polymer, creating a stable material with remarkable optoelectronic properties. The polymer-coated silicon nanosheets show promise for applications in flexible displays, field-effect transistors, photodetectors, and rechargeable lithium batteries.
Scientists studied ageing phenomenon at nanoscale, finding that friction force doubles with time and load increase. This discovery supports fundamental theory describing ageing mechanism, shedding light on fault stability and earthquake prediction.
Scientists have developed a method to recycle unwanted Si sawdust into high-capacity and durable LIBs with capacities up to 3.3 times larger than conventional graphite. The proposed recycling process has the potential to be mass-produced at a reasonably low cost.
A team of scientists at the University of Alberta has successfully applied atomic force microscopy to pattern and image electronic circuits at the atomic level. This breakthrough could lead to the development of ultra-fast and ultra-low-power silicon-based circuits, potentially revolutionizing the technology industry.
Researchers at IBS demonstrate manipulation of solitons, leading to the development of quaternary mathematical systems and potentially more efficient information storage. This breakthrough paves the way for new IT devices that combine silicon and solitons.
Researchers at NaMLab have demonstrated the world's first germanium transistor that can switch between electron and hole conduction, enabling lower power consumption and reduced transistor count. This breakthrough could lead to more efficient digital electronics, with potential applications in areas like energy storage and computing.
Physicist Igor Kaganovich and collaborators discovered the physics driving plasma etching, a technique powering electronic devices. The research found that electrically charged gas plasma enhances etching efficiency by creating strong plasma waves.
A new optomechanical device uses a microscopic silicon disk to confine optical and mechanical waves, achieving high coupling rates and making it highly customizable. The device's design allows for independent tailoring of its performance with different light frequencies or mechanical wave frequencies.
Researchers optimized GaN-on-Silicon transistor composition to achieve high electron mobility, enabled by buffer layers that reduce strain and defects. The team achieved an electron mobility of 1,800 cm2/V-sec, paving the way for fully functional high-frequency devices for 5G applications.
Researchers at KAUST develop a process to print high-performance silicon-based computers on soft, sticker-like surfaces for flexible electronics. Decal electronics enable easy integration of device components into compliant systems.
Scientists have successfully built a device that allows a single electron to communicate with a photon, paving the way for more efficient quantum computing. This breakthrough enables quantum information to be transferred between electrons and photons, reducing noise and increasing performance.
Researchers at Tokyo Institute of Technology have developed a new method to scale down the size of silicon insulated gate bipolar transistors (IGBTs), achieving significant energy savings through reduced ON resistance. By reducing mesa width, gate length, and oxide thickness, they increased the injection enhancement effect and decrease...
Scientists at IBS & KAIST create a new method for producing graphene using laser annealing technology, which can separate complex compounds like SiC into ultrathin elements of carbon and silicon. The technique reaches the same results as traditional methods but at lower temperatures, making it more efficient and scalable.
Researchers successfully created a catalyst that efficiently forms carbon-silicon bonds, which were previously thought impossible. The breakthrough enables the production of a wide range of silicon products.
Researchers at Caltech use directed evolution to persuade bacteria to create silicon-carbon bonds, which are found in pharmaceuticals, agricultural chemicals, and computer screens. The new process has the potential to be more environmentally friendly and less expensive than current methods.
Researchers at Australian National University have developed a new way to fabricate high-efficiency semi-transparent perovskite solar cells, which can improve the performance of conventional silicon solar cells. The new fabrication method could increase power output by up to 25% and achieve efficiencies of up to 30%.
Researchers found that normal atmospheric conditions lead to the formation of oxygen-enriched silica nanoparticles with magnetic properties. These reactive oxygen species have been linked to cancer and may explain the known carcinogenicity of silica dust. The study provides a possible explanation for the high toxicity of silica dust.
This study compares the rheological properties, oil-water interfacial tensions, and emulsion stability of Xinjiang crude oil and two common model oils. The results show that white mineral oil and crude oil are pseudo plastic fluids, while silicon oil is a Newtonian fluid.
A new trilayer structure developed by Yuan Yang increases energy density in lithium batteries by 10-30%, allowing for longer operation times. The method stabilizes the battery even in ambient air, reducing costs and manufacturing time.
Researchers have created a low-cost, high-energy lithium-ion battery anode material using diatomaceous earth, paving the way for more sustainable and efficient electric vehicle batteries. The discovery could lead to improved adoption of electric vehicles by reducing costs and increasing energy storage capacity.
Researchers from Lomonosov Moscow State University have developed a new, eco-friendly method for obtaining silicon nanowires, replacing hydrofluoric acid with ammonium fluoride. The produced nanowires show promising applications in micro- and optoelectronics, photonics, PV, sensorics, and biomedicine.
Australian engineers have created a new quantum bit called the 'dressed qubit' which retains quantum information for much longer than previously achieved, opening up new avenues to build and operate powerful quantum computers. The result is a 10-fold improvement in the time span during which quantum superposition can be preserved.
Researchers from Sandia and Harvard Universities have successfully embedded silicon atoms in a diamond matrix to create the first quantum bridge. This breakthrough enables the connection of multiple small quantum computers, potentially revolutionizing quantum sensing and information distribution.