Articles tagged with Silicon
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Researchers at the University of Minnesota have created uniform porous silicon oxide nano-objects with defined sizes and structures by disassembling larger lattice-like structures. The resulting particles exhibit worm-like pores and can be easily customized by varying the colloidal crystals used as moulds.
Researchers at MIT have developed a new transistor technology that could lead to faster operation and smaller devices. The transistors, made from indium gallium arsenide, are 60 nanometers long and can switch and process information quickly.
The Delft University of Technology has successfully created the world's smallest piano wire, measuring approximately 2 nanometers in diameter. The researchers used carbon nanotubes and developed a model to predict their vibrations, which can be used for mass sensors and other applications.
Researchers from Delft University of Technology successfully measured transport through a single atom in a transistor, offering insights into the behaviour of dopant atoms in silicon. The individual behaviour of dopant atoms is a stumbling block to further miniaturisation of electronics.
Researchers have used cicada wings as stamps to create negative imprints of nano-scale patterns on polymer films. The wings' waxy coating imparts a low surface tension, allowing for the creation of 'nano-wells' with promising anti-reflective properties.
Researchers at NYU and Pratt Institute discovered the mechanism behind ultramarine blue's fading, revealing that framework breakage releases color-forming molecules. This finding will aid in developing art conservation techniques to preserve cultural heirlooms.
Researchers at MIT have created an engine on a chip that could run 10 times longer than traditional batteries, powering devices like laptops and cell phones. The device is made of silicon wafers and features a tiny combustion chamber, turbine blades, and mini-generator.
Researchers from UCSB and Intel built the world's first Hybrid Silicon Laser using standard silicon manufacturing processes, combining Indium Phosphide for light emission and silicon for light routing. This breakthrough addresses the last major barrier to producing low-cost, high-bandwidth silicon photonics devices.
Researchers developed a method to produce silicon dioxide nanocapsules using supercritical carbon dioxide, allowing for controlled delivery of liquids and materials. The resulting nanocapsules have diameters of less than 40 nanometers and walls that are about 2 nanometers wide.
LCPs have shown promise as a microscale building block for lab-on-a-chip devices. They can be fabricated and patterned on a microscale, converting thermal, chemical, and electromagnetic stimuli into mechanical energy.
Researchers at Cornell University have developed microelectromechanical systems (MEMS) using carbon fibers, which can bend and vibrate billions of times without breaking. The new display technology has the potential to be incredibly cheap and small enough to be built into cell phones.
A UW-Madison team has developed a new process to create thin-film semiconductors on flexible materials, enabling the creation of powerful, low-power electronic devices. The technique can be used to make wearable electronics, computer monitors that roll up like a window shade, and other applications for non-computer uses.
Researchers have created nanoscale resonators, called nanostrings, with the highest quality factor so far obtained at room temperature. These devices can be used to detect and identify biological molecules and replace bulky quartz crystals in radio-frequency circuits.
Researchers at Cornell University have developed nanoscale resonators with the highest quality factor so far obtainable at room temperature. The devices can be used to detect and identify biological molecules and replace bulky quartz crystals in radio-frequency circuits.
A team of researchers created a broadband light amplifier on a silicon chip, enabling amplification over a broad range of wavelengths. The device uses four-wave mixing and has potential applications in repeaters, routers, and signal regeneration for fiber-optic communications.
Researchers at UCLA Engineering have developed a novel approach to silicon devices that combines light amplification with a photovoltaic effect, enabling the generation of power normally wasted as heat. This breakthrough has significant implications for the photonics industry and the traditional stronghold of semiconductors.
Researchers have created a membrane made of carbon nanotubes and silicon that can rapidly flow liquids and gases, making it a promising candidate for desalinization. The membrane's tiny pore size can block larger molecules, reducing energy costs by up to 75% compared to conventional membranes.
Scientists have developed a technique using lasers to strip hydrogen from silicon surfaces, promising to improve the quality of computer chips and solar cells. This method, which can be applied at low temperatures, offers potential applications in the manufacture of faster transistors and more precise control over nanoscale structures.
Researchers have developed a new laser technique that removes hydrogen from silicon surfaces at room temperature, allowing for the growth of silicon devices at lower temperatures. This breakthrough could enable faster and more precise manufacturing of microelectronic devices.
Researchers develop a technique to fabricate flexible nanomembranes with tunable strain, retaining silicon's properties while controlling conductivity. The method enables the creation of faster electronics, novel photonic crystals, and lightweight sensors, with potential applications in flexible electronic devices and biological sensing.
Researchers at University of Pennsylvania develop method to create world's smallest and cleanest nanometer gaps that can be imaged directly with atomic resolution. These nanogaps enable electrical connection to small objects, such as individual molecules, with applications in medicine, robotics, materials science, and security.
A team from University of Wisconsin-Madison has shown that when the surface of nanoscale silicon is specially cleaned, it facilitates current flow in thin layers that ordinarily won't conduct. Conductivity at the nanoscale is independent of added impurities.
Researchers have created the first silicon transistors powered by single electrons, opening up potential applications in low-power nanoelectronics and next-generation integrated circuits. The devices feature tunable barriers that allow for finer control over electron flow, enabling flexible on/off switching.
A team of researchers at the University of Texas at Austin has created a miniaturized silicon chip that can control laser light, enabling faster data transfer rates in high-performance computing devices. The chip uses silicon photonic crystals to slow down light travel, allowing for modulated transmission of information.
Researchers have developed fully stretchable single-crystal silicon with micron-sized wave-like geometries that can be used in high-performance electronic devices on rubber substrates. The technology has the potential to enable applications such as sensors, artificial muscles, and robotic sensors.
Researchers at Georgia Tech are developing silicon-germanium microchips that can operate in ultra-sophisticated radar systems and new generations of NASA spacecraft. These chips offer cost savings, compact size, and improved efficiency, making them ideal for phased-array radar systems.
UCSB researchers have developed a hybrid silicon evanescent laser that could alleviate limitations in microelectronic systems. The laser uses InAlGaAs quantum wells to provide optical amplification and has the potential to enable highly integrated laser sources with intelligent opto-electronic devices.
Researchers at Berkeley Lab have developed dual nanocrystal solar cells that are as cheap and easy to make as organic polymer-based solar cells. The new devices, comprising cadmium-selenide and cadmium-telluride, offer improved stability in air due to the absence of organic materials.
Researchers at Purdue University have shown how to use multi-walled carbon nanotubes as measuring tips in atomic force microscopes. The tubes' shape allows them to penetrate nano-structures, but they often stick due to van der Waals' forces. To overcome this, the team found that adjusting operating parameters can prevent artifacts and ...
A team of scientists from New Mexico State University and Wake Forest University has achieved a 5.2% solar energy efficiency level in organic solar cells, a significant improvement over previous attempts. This breakthrough could lead to the development of cheaper, flexible plastic-based solar panels within four to five years.
Researchers at the University of Wisconsin-Madison have developed a new lithium battery technology that can make batteries smaller, last longer, and accept external charging without surgery. This breakthrough technology uses organosilicon compounds to improve battery lifespan, enabling implantable devices such as pacemakers and microst...
Penn State researchers have designed and fabricated tiny piezoelectric microactuators with controlled force, high resolution, and large displacements. The new actuators have dimensions ranging from 350 to 600 microns in length, 50 to 100 microns in width, and 5 to 6 microns in thickness.
T.P. Ma, Yale University professor, receives IEEE Andrew S. Grove Award for his pioneering work on CMOS gate dielectrics, a crucial technology in modern silicon chips. He has made significant contributions to increasing integrated circuit operating speed and reliability while lowering cost per function.
The University of California, San Diego and Keio University successfully streamed nearly six hours of 4K content in real-time via 1 Gbps IP networks from Tokyo to San Diego. The demonstration showcased the feasibility of networked distribution of high-quality digital media over long distances.
Researchers at Purdue University have created a nanotech simulation tool that helps design molecular electronic devices. The tool simulates how current flows between silicon atoms and individual molecules, enabling the development of new technologies such as biochips and advanced sensors. By studying the interaction between molecules a...
A new NIST-developed instrument uses infrared laser light to accurately measure silicon wafer thickness, enabling precise nanoscale dimension measurements. The Improved Infrared Interferometer can produce detailed spatial maps of differences in thickness with high repeatability.
The NIST design uses a simplified type of contact between the nanowire channel and electrodes, allowing more electrical current to flow. The results suggest that nanowire transistors can improve performance in nanoscale electronics while retaining industry's existing silicon technology infrastructure.
Scientists at the University of Illinois have developed a method to create flexible silicon nanotubes using nanoparticles. These nanotubes exhibit a unique combination of properties, including elasticity similar to rubber, making them suitable for various applications such as catalysis and guided laser cavities.
A team of scientists has created a prototype that demonstrates a single charged atom on a silicon surface can regulate the conductivity of a nearby molecule. This breakthrough could lead to more efficient and eco-friendly electronics with reduced energy consumption and heat production.
Researchers at UCSB have developed a method to couple synthetic molecules onto gold nanoparticles, mimicking the natural biological catalyst of the marine sponge. This discovery represents a low-temperature, biotechnological route to producing valuable nanomaterials.
Researchers at Cornell University have created fluorescent nanoparticles called 'Cornell dots' that can be used for biological imaging, optical computing, and other applications. These particles offer an alternative to quantum dots due to their greater chemical inertness and reduced cost.
Researchers at Cornell University have developed a silicon device that can modulate light on a micrometer scale, enabling the integration of electronics and photonics. The device uses a ring resonator to filter out specific wavelengths of light, allowing for efficient switching between states.
A new 'nuclear battery' technology has been developed, increasing the surface area of a radioactive gas to produce a current. This increase results in a 160-fold efficiency improvement over conventional designs, making it suitable for long-lasting medical devices and deep-space probes.
Researchers have developed a new type of battery that uses tritium to generate electricity, potentially leading to the creation of long-lasting devices. The battery's staying power is tied to the enduring nature of its fuel, which releases electrons through beta decay.
NYU researchers have elucidated a mechanism by which organic molecules attach to semiconductor surfaces, leading to the formation of four principal products. This finding has significant implications for the semiconductor industry, particularly in lithography and surface patterning.
Scientists create nanobridges with consistent properties, allowing for scalable production of nanosized transistors, sensors, and lasers. The breakthrough enables the mass production of nanostructures with precise control over their dimensions.
UCLA researchers have developed a revolutionary single-shot digitizer that captures lightning-quick pulses 50 times faster than the best commercially available digitizer. This breakthrough enables faster digitalization of signals and has significant implications for areas like particle physics, radar systems, and defense applications.
Researchers at UAlbany-CNSE have successfully created ferromagnetic silicon, which can maintain a permanent magnetic field above room temperature. This breakthrough has the potential to revolutionize spintronic devices, enabling faster and more efficient computing.
Researchers at Berkeley Lab have produced atomic-resolution images of silicon nitride ceramics, revealing the exact location of rare-earth atoms and their effect on toughness. This discovery could lead to tailoring grain boundaries for optimum mechanical properties.
Researchers create model that evaluates the reliability of two types of transistors simultaneously, enabling accurate predictions and reducing testing resources. The new model helps understand how chemical bonds break over time, improving the performance and longevity of CMOS computer chips.
The collaboration aims to measure the performance of transistors with a target spatial resolution better than 10 nanometers, critical for controlling and improving semiconductor integrated circuits. The new technique will facilitate more accurate measurements, helping chip manufacturers reduce costs and time to market.
Researchers at UCSD use microscopic silicon chips with magnetic properties to control the movement of particles and cargo in oil droplets. This allows for efficient transport and manipulation of tiny biological samples without pumps or channels.
Researchers at Cornell University have created a device that can detect as few as six viruses using a tiny paddle oscillator. The device, which uses the natural resonant frequency of the paddles to sense changes in mass, has the potential to differentiate between various pathogens and toxic organic chemicals.
A team of researchers at Cornell University has developed a compact, all-optical switch on silicon that can control light signals in real-time. This innovation paves the way for high-speed optical routing in fiber-optic communications, eliminating the need for conversion between electrical and optical signals.
Scientists at UC Santa Cruz have successfully guided light waves through liquids and gases using novel waveguides made from silicon fabrication technology. The device enables detection of molecular fluorescence and has potential applications in fields such as chemistry, biology, and quantum optics.
Researchers at Boston University have developed a new type of memory cell that outperforms traditional chip-based systems in terms of speed, density, and power consumption. The nanomechanical memory cell can retrieve information at speeds of millions and billions of cycles per second, while operating on minuscule amounts of power.
A team of engineers at Northwestern University has developed a method for precisely aligning multiple types of molecules on a silicon surface at room temperature. This breakthrough enables the construction of nanoscale systems such as molecular transistors or light-emitting diodes, and paves the way for integrating with current technol...
Researchers at Cornell University have created a tiny oscillator that uses a carbon nanotube to vibrate at radio frequencies, enabling mass sensing and gas detection capabilities. The device is so small that it can potentially weigh individual atoms, offering new possibilities for scientific research and applications.
Researchers at Penn State have created a new method to speed up the process of capturing carbon dioxide from combustion gases using serpentine minerals. This innovative approach significantly reduces the time required for sequestration from geologic timescales, making it a promising solution for mitigating climate change.
Researchers at Los Alamos National Laboratory have developed a process to modify silica aerogels with silicon and transition metal compounds using chemical vapor techniques. This enhancement increases the aerogel's strength by four-fold while retaining its valuable porosity and density characteristics.