Articles tagged with Silicon
Researchers from Sandia National Laboratories have developed a tiny silicon-based device that can harness waste heat and turn it into DC power. The device, called an infrared rectenna, has the potential to power compact devices in space missions and hybrid cars.
Scientists at the University of Vienna have successfully manipulated individual silicon impurity atoms in graphene with atomic precision, recording nearly 300 controlled jumps. This achievement enables potential high-density data storage and demonstrates the control of single atoms in two-dimensional materials.
Researchers at Waseda University developed a novel silicon-nanowire thermoelectric generator that produces high power density of 12 microwatts per square centimeter at a mere 5°C thermal difference. This innovation has the potential to enable cost-effective, autonomous IoT applications with reduced fabrication costs.
Princeton researchers successfully implant diamonds with silicon vacancies to create a quantum repeater, enabling the transmission of fragile quantum information over long distances. This breakthrough could lead to ultra-secure communication networks and new quantum computers solving complex problems.
Researchers at the University of Wisconsin-Madison have developed a new stealth material that can hide hot objects from infrared detectors. The material, made with black silicon, absorbs approximately 94% of infrared light and can be used to trick infrared cameras.
Scientists have developed a method for detecting molecular fingerprints of toxic, explosive, and polluting substances using surface-enhanced Raman spectroscopy (SERS) with a black silicon (b-Si) substrate. The technique offers high accuracy and non-invasiveness.
Recent improvements in perovskite alternatives are moving tandem devices closer to market with efficiencies similar to commercial silicon modules. Researchers have achieved lab device efficiencies up to 26.4 percent by tinkering with material composition and encapsulating cells in protective coatings.
A new benchmark quantum chemical calculation reveals a qualitative difference in the topologies of core electron orbitals between organic molecules and their silicon analogues. This discovery suggests that core electrons play a more significant role than previously thought, particularly in unsaturated compounds.
Researchers from Purdue University and the Technological University of Delft have discovered enhanced spin-orbit interaction in silicon, allowing for easier manipulation of qubits using electric fields. This enables the creation of silicon quantum computer chips with millions of qubits, leading to high-speed information processing and ...
Researchers at Université libre de Bruxelles estimate nanoconfinement impacts material contacts, interfacial interactions and vdW forces. Thinner films exhibit reduced contacts with silicon wafers due to weaker van der Waals forces.
Researchers at Yale University have created a new type of silicon laser that uses sound waves to amplify light, enabling faster and more efficient data processing. The innovative design maximizes light amplification using a special structure developed in the Rakich lab.
Researchers at Oregon State University have discovered a fungus-produced pigment, xylindein, that could become a sustainable alternative to silicon in electronic applications. The pigment, found in infected wood, has high durability and stability, making it suitable for wearable electronics.
Researchers from Siberian Federal University and Kirensky Institute of Physics have developed an approach for the controlled synthesis of semiconducting higher manganese silicide thin films. The team successfully targeted the formation of two phases, Mn4Si7 and Mn17Si30, with high charge carrier mobility.
Using powerful supercomputers, researchers have found a way to generate high-frequency microwaves with affordable silicon, cutting costs and improving devices such as sensors in self-driving vehicles. This innovation could lead to cheaper, more flexible microwave technology.
The ETH Zurich researchers developed nanovalves that can control individual nanoparticles in liquids using electric forces. This technology enables sorting and manipulation of tiny particles such as metal, semiconductor, virus, liposomes, and antibodies.
Carbon nanotubes are proving to be highly versatile for all types of spaceflight applications, including analyzing the chemical properties of rocks and soil on airless bodies. The nanotechnology works as envisioned, emitting enough electrons to excite samples and offering significant improvements over existing instruments.
Researchers developed a miniaturized FTIR spectrometer based on silicon photonics, overcoming technical challenges to monitor greenhouse gases remotely. The device achieved resolutions comparable to commercially available portable spectrometers.
Scientists at Duke University have developed custom silicon microparticles that can assemble, disassemble, and reassemble on demand. The particles were engineered to exhibit various behaviors, including synchronization of motion and reversible assembly/disassembly, in response to different electric fields.
Researchers at UChicago have developed a system of design principles for working with silicon to control biology using light. The team has demonstrated the ability to stimulate neurons, tissues, and limbs using this method, without the need for genetic modification or a power supply.
Scientists at OIST have developed stable and efficient perovskite solar cells that could revolutionize the solar industry. The new material is made of inorganic components, making it more heat-stable than previous versions.
Researchers at Penn State have developed a chemical-free method for etching nanoscale features on silicon wafers. The technique, called tribochemical reaction, uses a scanning probe microscope to remove single layers of atoms from the surface without damaging underlying layers.
Researchers developed a new production method for titanium carbide MXene by selectively etching silicon from titanium silicon carbide, resulting in flakes with unique properties. The process uses mixtures of hydrofluoric acid and an oxidizing agent to weaken silicon bonds and facilitate synthesis.
Researchers have developed highly integrated graphene blackbody emitters with a fast response time of ~100 ps, outperforming previous emitters. The emitters' properties are controlled by the number of graphene layers and can be used for real-time optical communication.
Researchers have developed III-V quantum-dot lasers that can be integrated with silicon, offering significant energy savings and improved performance. The lasers can operate at higher temperatures and scale down to smaller sizes, making them promising for photonic circuits.
Researchers at RIT have improved the fabrication process of nano-structures for electronic devices, increasing performance and reducing costs. The new method uses indium-gallium-phosphide materials and combines benefits of wet etching and reactive ion etching.
A new liquid biopsy method has been developed to detect cancer heterogeneity with high accuracy and reduced cost. The approach uses a streamlined protocol to profile single circulating tumor cells from a simple blood test, enabling genome-driven targeted therapy selection and monitoring of disease progression.
A team of researchers has developed a new class of glass based on metals and organic compounds, with improved glass-forming ability and pliability compared to traditional silica glass. The new metal-organic compound glass, ZIF-62, exhibits superior mechanical properties and optical transmission.
Researchers at UNSW Sydney have successfully observed controllable interactions between two atom qubits made of phosphorus atoms in a silicon chip. The discovery is a significant milestone for building a quantum computer, as it demonstrates the ability to manipulate the spin correlations of electrons in these tiny devices.
Researchers created a 3D dynamic model of light-nanoparticle interactions using mining hardware, showing particles lose symmetry and optical properties become heterogeneous when exposed to short intense laser pulses. This finding could enable control of light on a nanoscale for ultrafast information processing devices.
Researchers miniaturized dual-frequency combs on a single chip using a single laser, enabling real-time sensing and spectroscopy in field environments. The device can detect a broad range of chemicals with high precision, paving the way for commercialization in the future.
Scientists have discovered a way to control the flow of terahertz photons using ordinary computer chips, which could lead to faster computers and higher bandwidth communications. The method uses a 'coyote time' effect, where the molecule doesn't know its energy after the first photon hits, allowing for more efficient switching.
Researchers at Princeton University have successfully linked silicon spin qubits using light, enabling long-distance communication and opening the door to more complex systems. This breakthrough increases flexibility in device design and could lead to the creation of quantum computing devices from silicon.
Researchers at UC Riverside have developed methods to detect signals from spintronic components made of low-cost metals and silicon, overcoming a major barrier to wide application. This breakthrough enables the creation of spintronic computers that generate little heat and use relatively minuscule amounts of electricity.
Researchers at Osaka University have developed a silicon metamaterial surface that enables precise control of colorful patterns with subwavelength resolution. The system uses nanoscale patterns to convert optical radiation into localized energy, demonstrating vivid colors and two-color information within individual pixels.
Researchers have successfully coupled a single electron spin and a single photon on a silicon chip, enabling the transfer of quantum information between them. This breakthrough paves the way for scaling up quantum bits on silicon chips, a crucial step towards creating more powerful quantum computers.
Researchers at the University of Warwick have discovered a new approach to replace graphite in lithium-ion batteries using silicon reinforced with graphene girders. This could more than double the battery's life and increase its capacity.
Researchers at TU Wien have developed a method to manufacture porous silicon carbide structures with controlled porosity, opening up new possibilities for sensor technology, optical components, and biological applications. The technique allows for the creation of micro- and nanostructures with unique properties.
Researchers at MIT have designed an artificial synapse that can precisely control the strength of an electric current flowing across it, similar to the way ions flow between neurons. The team found that their chip and its synapses could recognize samples of handwriting with 95% accuracy.
Researchers have successfully created an all-silicon laser based on silicon nanocrystals, which achieves high optical gains and demonstrates reliable lasing characteristics. The development of this technology paves the way for electrically pumped all-Si lasers.
Researchers have developed a new way of organizing nanostructures that enhances Raman spectroscopy, allowing for the detection of molecules at low concentrations. The technique uses silver nanoparticles on nanowires to boost sensitivity, enabling the detection of compounds in nanomolar or even picomolar concentrations.
Researchers create a subwavelength dielectric resonator that can trap light for an extended period due to destructive interference, allowing for more efficient optical devices. The structure is capable of suppressing energy leakage and keeping light for ten times longer than conventional resonators.
The new chip design enables millions of qubits to be integrated and processed simultaneously, solving complex problems exponentially faster than conventional computers. The UNSW-led team's innovative approach incorporates error-correcting codes and sophisticated protocols to control the vast array of quantum bits.
Scientists at NIST have developed a method to precisely control the depth of nanometer-scale structures using ion beams. This technique allows for the precise measurement of nanoparticle size and has potential applications in quality control, industrial production, and biomedical research.
Scientists from Konstanz, Princeton and Maryland successfully created a stable quantum gate for two-quantum bit systems using silicon. The research demonstrates the ability to control and read out the interaction of two quantum bits with high fidelity, paving the way for more efficient quantum computers.
A novel DNA detector was developed using ultrathin layers, including a nanoporous silicon nitride membrane that serves as a prefilter and a biosensor membrane with a single nanopore. The device creates a nanocavity filled with less than a femtoliter of fluid, improving the precision and reproducibility of DNA detection.
Researchers at The University of Tokyo's Institute of Industrial Science have developed a semi-transparent solar cell that absorbs red and blue light while letting green through. The new material, based on perovskite, is able to retain an impressive power conversion efficiency of around 10% despite being made much thinner.
Brookhaven Lab scientists Anatoly Frenkel, Morgan May, Rachid Nouicer, Eric Stach, and Peter Steinberg were elected 2017 American Physical Society Fellows for their exceptional contributions to physics. The fellows were recognized for their innovative research in materials physics, astrophysics, and nuclear physics, including discoveri...
Scientists at the University of Vienna have developed an incredibly stable nanoscale clock that can maintain its accuracy for extremely long periods. The clock, which consists of a levitated silicon cylinder, has a precision of one millionth of a second over four days.
Researchers have developed a stacked color sensor using perovskites, which improves colour recognition and light sensitivity. This allows for more accurate image capture and enables the creation of smaller pixel sizes, potentially leading to higher spatial resolution in various analysis technologies.
Researchers have observed the formation of aluminum oxide dust around an AGB star, providing insight into wind acceleration. The team discovered that AlO was distributed within three stellar radii, while SiO remained gaseous beyond five stellar radii.
Researchers have found a way to expand the printable color spectrum with a novel nanostructure system that broadens colors while maintaining high resolution. The new silicon nanostructures can print an art piece with a 121% expanded color gamut, higher color saturation and resolution.
University of Utah researchers create a new component for ultra-high-speed communications and computing using perovskite, a mineral discovered in Russia. The technology uses the terahertz spectrum to transmit data a thousand times faster than current systems.
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.