Articles tagged with Transistors
Researchers at the University of Illinois have successfully demonstrated a microwave signal mixer made from a tunnel-junction transistor laser. The device accepts two electrical inputs and produces an optical signal that can be measured at frequencies of up to 22.7 gigahertz.
Researchers at the University of Pittsburgh have created a nanoscale one-stop shop for electronics that can yield transistors two nanometers in size. This breakthrough has potential applications for high-density memory devices, sensors and computer processors, and could pave the way for more advanced technologies.
Researchers created a plasma transistor to control plasma conduction current and light emission with an emitter voltage of 5 volts or less, enabling lighter, less expensive, and higher resolution flat-panel displays. The device uses a microcavity plasma containing electrically charged gas, which radiates light depending on the gas inside.
A Duke University-led team of chemists has successfully grown exclusively semiconducting carbon nanotubes, paving the way for manufacturing reliable electronic nanocircuits. The achievement paves the way for high-current field-effect transistors and sensors, offering reduced heat output and higher frequency operation.
USC researchers have developed a low-temperature process to print dense lattices of transparent nanotube transistors on flexible bases, enabling the creation of high-performance electronics. The devices can be used for applications such as affordable car windshield displays and ultra-thin, low-power e-paper displays.
Researchers at NPL developed magnetic semiconductors with superior performance, showing potential for electronic devices. The technology could revolutionize computing and be realized in 10 years, sustaining Moore's Law.
Researchers at McGill University have discovered a quasi-three-dimensional electron crystal in a material similar to those used in transistors, which could help the industry overcome quantum limits and continue Moore's Law. The discovery was made using ultra-low temperatures and powerful magnetic fields.
Graphene films have been characterized to vary their surface potential with thickness, aligning with predictions of a nonlinear Thomas-Fermi theory. This advancement clarifies electronic interaction between insulating substrates and few-layer graphene films, essential for device engineering.
Researchers have overcome a major obstacle in producing transistors from networks of carbon nanotubes, paving the way for flexible electronics. The breakthrough allows for the creation of working nanonet circuits containing over 100 transistors.
Researchers at NIST have uncovered an unusual phenomenon that may impact how manufacturers estimate the lifetime of future nanoscale electronics. The 'electron trapping' effect causes a temporary negative charge and heightened conductivity during recovery from stress, complicating threshold voltage shift measurements.
Researchers have developed a model to explain the mechanism behind the molecular switch, which could fit more than a trillion switches onto a centimeter-square chip. The model reveals a quantum phase transition that could enable the creation of a new type of switch with promise as a digital electronics foundation.
Transistors made with new material SAND prove resistant to radiation, a crucial factor for long space missions. The devices could also enable new technologies like printable electronics and transparent displays.
Researchers at Stanford University have developed a new way to make transistors out of carbon nanoribbons, which can operate at room temperature and increase the speed of computer chips. The devices are smoother and narrower than previously made graphene nanoribbons, allowing them to work at higher temperatures.
Researchers from the University of Manchester have successfully created the world's smallest transistor using graphene, a one-atom-thick material. The breakthrough paves the way for significant advancements in nanoelectronics and could potentially solve the scaling limitations of traditional electronics.
Scientists at University of Copenhagen develop carbon nanotube transistors that can function as magnetic memories. The discovery demonstrates direct electrical control over a single electron spin, opening doors to new data storage possibilities.
Researchers at Purdue University have developed a proof-of-concept active-matrix display using transparent transistors and circuits. The display utilizes organic light-emitting diodes (OLEDS) with nanowires, which rival the brightness of conventional pixels in flat-panel television sets.
PCMOS chips compute differently by assigning voltage on a sliding scale, prioritizing values of user-defined importance, and reducing power consumption. This technology has the potential to revolutionize industries and fields of research.
Carbon nanotubes have shown significant advantages in high-speed analog electronics, and researchers built the world's first all-nanotube transistor radios to prove it. The radios demonstrate the growth technique's success and pave the way for practical implementation of carbon-nanotube materials.
Researchers have created a practical technique to replace silicon with graphene, a single layer of carbon atoms, allowing for 10 times better information processing and radio transmission capabilities. This breakthrough could lead to the development of high-performance wireless devices within a few years.
Researchers at NIST have developed a method to selectively grow nanowires on sapphire wafers, allowing for the creation of transistors and other circuit elements with high accuracy. This technique has the potential to enable industrial-scale production of nanowire-based devices.
The NIST device can accurately count 1, 2 or 3 photons at least 83 percent of the time, a capability essential for advanced precision optical metrology. The detector has an internal quantum efficiency of 68 ± 18 percent and potential to operate at higher temperatures than other single-photon detectors.
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 have developed transparent transistors and circuits using nanowires, promising applications in e-paper, flexible color screens, and smart cards. The breakthrough enables fully transparent and flexible displays with high performance levels.
Researchers at Max Planck Institute for Biochemistry have developed a novel, noninvasive sensor that couples ion streams directly to microelectronic devices using direct cell–chip contact. This breakthrough enables selective measurement techniques for diagnostics and drug research without destroying the cells.
Research on microfluidics widens the possibilities for electronic devices through electrowetting-based liquid-state-field-effect transistors (LiquiFETs). These devices can directly convert charge-related information from liquids into electronic signals, enabling real-time evaluation and adjustment of drug delivery.
A University of Manchester engineer has pioneered a way to make single-layered planar plastic transistors and diodes using fast and simple printing techniques. This could lead to the production of information displays that can be rolled up, intelligent tickets for public transport systems, and electronic stamps for letters and packages.
Researchers sponsored by ONR have made groundbreaking discoveries in graphene and carbon nanotubes, leading to novel electronic devices and sensors. Their work has the potential to revolutionize industries such as electronics and materials science.
Researchers at Northwestern University developed transparent, high-performance transistors using organic and inorganic materials. These transistors can be assembled inexpensively on glass and plastics, enabling new applications for displays with invisible wires.
Researchers at Stanford University have developed a method to manufacture large arrays of single-crystal organic transistors, enabling the creation of flexible electronic devices with high performance. The breakthrough allows for the production of low-cost sensors on product packaging and thin, flexible displays.
Researchers at the University of Illinois have developed a world-record fast transistor with an operating frequency of 845GHz, exceeding other groups by 300GHz. The device utilizes pseudomorphic material construction and vertical scaling to reduce electron travel distance, resulting in increased speed.
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.
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 at the University of Arizona developed a new type of transistor that uses quantum mechanics to regulate current flow in single molecules. This breakthrough could enable the creation of incredibly powerful, compact computers and medical devices.
Researchers at NIST have developed a new method to reliably measure the noise in CMOS devices, improving signal ranges and clearer signals. The measurement method may also enhance modeling of CMOS transistors and improve precision in device characterization.
A Georgia Tech and IBM research team achieved speeds of half a trillion cycles per second in commercial silicon-based technology using large wafers and low-cost manufacturing techniques. The devices operated at frequencies above 500 GHz at extremely low temperatures.
Nick Holonyak Jr.'s seminal research on transistors and lasers has been recognized as one of the most significant papers in Applied Physics Letters. His work on room-temperature operation of a transistor laser facilitated faster signal processing, seamless communications, and higher performance electrical and optical integrated circuits.
Scientists at the University of Illinois have discovered significant structure in the current-voltage characteristics of a transistor laser, allowing them to study the elusive electronic structure. The research enables the development of transistor lasers that can operate at different speeds for various commercial applications.
Researchers at University of Illinois create transistor laser that combines functionality of transistor and laser, enabling new signal mixing and switching capabilities. The device shows promise for replacing wiring with optical interconnects in electronic-photonic integrated circuits.
Researchers at the University of Kentucky have discovered a way to significantly reduce the power consumption of transistors in computer chips by applying rapid thermal processing directly on gate insulators. This technique can improve the insulating qualities of gate insulators, reducing direct tunneling current by up to 100,000 times.
Researchers at University of Illinois have successfully demonstrated room-temperature operation of a light-emitting transistor laser, paving the way for high-speed applications. The breakthrough could lead to faster signal processing, large capacity seamless communications, and improved electrical and optical integrated circuits.
Researchers at UCSD's Jacobs School of Engineering have successfully fabricated a transistor-like structure using customized Y-shaped carbon nanotubes, exhibiting rapid switching speeds and three-way gating capability. This breakthrough could lead to the development of new nanotechnology devices with improved functionality.
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.
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.
Scientists have made a breakthrough in molecular electronics by controlling the conductivity of molecules on a single atom. This innovation allows for the creation of ultra-small and efficient devices, requiring less energy to power and producing less heat than conventional transistors.
A new mathematical model, PSP, offers improved predictions of transistor behavior, particularly in high-frequency and miniaturized devices. The model, which focuses on surface potential at the silicon-silicon dioxide interface, has been successfully tested on simulations and measurements.
Loo aims to increase polyaniline's conductivity by up to 10-fold, enabling applications such as flexible electronics and implantable medical devices. Her process uses a polymeric acid molecule, which increases the material's ability to dissolve in water.
Researchers at the University of Southern California found that sapphire surfaces can self-arrange carbon nanotubes into useful patterns. This phenomenon occurs only on specific surfaces, particularly vertical slices with certain crystalline orientations.
The new device achieves a speed of 604 gigahertz, faster than previously thought possible with traditional transistor structures. The researchers' design improves current density and signal charging time by lowering the bandgap in selected areas.
A Northwestern University team has designed organic molecules that self-assemble into ultra-thin layers for use in transistors. Their tailored molecular components reduce operating voltage and power consumption, making low-power consumption OTFTs a reality.
Jim Hutchison's new patent may lead to the development of ultrasmall transistors that operate efficiently at room temperature, revolutionizing electronics and optics. The nanoscale transistors are composed of nanoparticle building blocks and function based on a mix of classical and quantum mechanical properties.
Researchers at NIST developed a simple, chemical way to attach electrical contacts to molecular-scale electronic components. The technique, patented by the institute, uses copper ions to form strong, chemically bonded contacts that protect fragile molecules during further metallic vapor deposition steps.
A new class of 'thin-film' materials has been developed, offering higher mobility, better chemical stability, and ease of manufacture. These amorphous heavy-metal cation multicomponent oxides could lead to new electronic devices, such as gas sensors, consumer electronics, and military equipment.
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.
Researchers at UC Davis have developed multipurpose nanocables that can detect the quantity of toxins in a sample, allowing for more accurate measurements. These nanocables also enable the creation of large surface area arrays, which could be used to efficiently capture sunlight and improve solar cell efficiency.
Researchers at the University of Illinois have developed a new transistor laser that can emit a narrow, coherent beam. This technology has the potential to facilitate faster signal processing, higher speed devices and large-capacity seamless communications.
Researchers have developed a transistor that fuses carbon nanotubes with polymers to create a capnography sensor detecting subtle changes in CO2 concentrations. This technology may provide a new tool for emergency responders to monitor patients' respiratory patterns and verify breathing tube placement.
Researchers at University of Manchester create graphene, the first two-dimensional fullerene, exhibiting remarkable electronic properties. The nanofabric shows potential to replace gallium arsenide in niche markets due to low energy consumption and high electron mobility.
Researchers at University of Illinois have developed a technique to print single-crystal silicon objects onto flexible plastics, enabling high-performance thin-film transistors. This approach separates silicon processing from component fabrication, allowing for integration with various materials and large-area formats.
Researchers have successfully built nanotube transistor devices that can function at very high speeds, potentially leading to faster cell phones and computers. The transistors operate at a frequency of 2.6 gigahertz, switching electrical current on and off in about one billionth of a second.
Scientists have developed a novel fabrication technique to study charge transport in organic crystals, resulting in the highest recorded mobility in an organic semiconductor. The method eliminates exposure of fragile surfaces to conventional processing, allowing for pristine crystal samples to be used for device fabrication.