Articles tagged with Transistors
Researchers successfully grow high-quality single-crystal graphene sheets on insulating supports using a copper-catalyzed decomposition method. The resulting graphene exhibits excellent electronic performance due to its high crystallinity and minimal surface folds.
Scientists have discovered a speed limit for computer chips, with one petahertz being the maximum frequency for signal transmission. The research uses ultra-short laser pulses to create electrical currents in dielectric materials, allowing for faster data transmission.
Researchers investigated the shortest possible time scale of optoelectronic phenomena and found that it cannot be increased beyond one petahertz. The experiments used ultra-short laser pulses to create free charge carriers in materials, which were then moved by a second pulse to generate an electric current.
A research team from POSTECH has developed a method to print high-performance p-type semiconductor transistors using inorganic metal halide perovskite, exhibiting high hole mobility and current ratio. This technology enables solution-processed perovskite transistors to be simply printed as semiconductor-like circuits, paving the way fo...
Researchers have discovered stable and mobile excitons in metal, a breakthrough that could speed up digital communication. Excitons can travel rapidly through metal without electrical charge, making them promising candidates as an alternative to free electrons.
Researchers have confirmed a novel quantum topological material for ultra-low energy electronics, reducing energy consumption by a factor of four. The study reveals the potential of zigzag-Xene-nanoribbons to make topological transistors with robust edge states and low threshold voltage.
The Princeton Plasma Physics Laboratory has developed a new understanding of atomic layer etching, a critical step in fabricating atomic-scale transistors. The findings could lead to improved efficiency, cost-effectiveness, and capabilities for future microchips and supercomputers.
Scientists at EPFL have created strained crystalline nanomechanical resonators with ultralow dissipation, enabling the creation of high-purity quantum states. These nanostrings could be used as precision force-sensors, taking advantage of interactions such as radiation pressure and magnetic fields.
A study by Arizona State University shows that certain proteins can act as efficient electrical conductors, outperforming DNA-based nanowires in conductance. The protein nanowires display better performance over long distances, enabling potential applications for medical sensing and diagnostics.
Researchers at NIMS have created a diamond field-effect transistor (FET) with high hole mobility, reducing conduction loss and increasing operational speed. The FET's normally-off behavior also makes it safer for electronic devices.
Scientists at Linköping University successfully integrated artificial nerve cells with a living plant using printed organic electrochemical transistors. The system mimics the ion-based mechanism of pulse generation in plants, inducing action potentials that cause the leaves to close.
A Swedish research team developed a simple hydrocarbon molecule that changes form and becomes conductive when exposed to electric potential. This breakthrough could lead to the creation of miniature transistors and new mechanical systems at the single-molecule level.
Researchers at NGI demonstrate improved spin transport characteristics in nanoscale graphene-based electronic devices, achieving up to 130,000cm²/Vs mobility. The study also reveals spin diffusion lengths approaching 20μm, comparable to the best graphene spintronic devices demonstrated to date.
Researchers discovered that applying tension to nanowires significantly enhances electron mobility, allowing for faster transistor switching and lower energy requirements. The core-shell nanowires demonstrated a 30% increase in electron speed compared to strain-free or bulk gallium arsenide.
Researchers propose a novel 2D/3D core-shell structure to overcome defects in tin-based metal-halide perovskites. The hybrid arrangement eliminates series resistance issues and high carrier density problems, enabling improved performance in planar devices.
Researchers successfully fabricate CNT transistors with controlled quantum transport at room temperature by altering the helical structure of metallic CNTs. This breakthrough may lead to the creation of energy-efficient nanoscale electronic devices.
Researchers at KTH Royal Institute of Technology and Stanford University have developed a material that enables the commercial viability of neuromorphic computers mimicking the human brain. The material, MXene, combines high speed, temperature stability, and integration compatibility in a single device.
Researchers at the University of Surrey have successfully demonstrated the use of multimodal transistors in artificial neural networks, achieving practically identical classification accuracy as pure ReLU implementations. The study paves the way for thin-film decision and classification circuits, which could be used in more complex AI ...
A novel, simple, and extremely compact terahertz radiation source has been developed at TU Wien, enabling high intensities and small size. The technology uses resonant-tunnelling diodes and can be used in various applications such as material testing, airport security control, radio astronomy, and chemical sensors.
Harvard researchers create first topological acoustic transistor, utilizing sound waves to control flow on and off. The device demonstrates scalable and controllable 'acoustic switches' with potential applications in efficient noise reduction, ultrasound imaging, and more.
EG-CNTFET biosensors have demonstrated high sensitivities toward several analytes, but challenges remain to overcome, such as selective detection in complex media.
Researchers have developed a method to fabricate ITZO TFTs without CO impurities, resulting in high-mobility and stability. This breakthrough could pave the way for next-generation display technologies and replace more expensive silicon-based technologies.
Researchers have discovered that negative capacitance in topological transistors can switch at lower voltage, potentially reducing energy losses. This new design could help alleviate the unsustainable energy load of computing, which consumes about 8% of global electricity supply.
Surrey experts identify overlooked factors contributing to inefficient TFTs, suggesting optimization opportunities for SGTs. They share crucial electrostatic properties secret ingredient for successful transistor realization.
Researchers at the Max Planck Institute for Polymer Research have developed an organic neuromorphic circuit that allows a robot to learn and navigate a maze. The robot uses sensory signals to make decisions, receiving corrective stimuli when it makes wrong turns, and gradually learns to avoid them.
Scientists at TU Wien have developed a novel germanium-based transistor with the ability to perform different logical tasks, offering improved adaptability and flexibility in chip design. This technology has potential applications in artificial intelligence, neural networks, and logic circuits that work with more than just 0 and 1.
Researchers developed carbon nanotube-based transistors that can maintain electrical properties and memory after being exposed to high levels of cosmic radiation. The transistors, especially double-shielded ones, showed promising results for future space exploration.
A team of scientists at NAIST successfully used automatic differentiation to accelerate calculations of model parameter extraction, reducing computation time by 3.5 times compared to conventional methods. This breakthrough enables the design of more efficient power converters with increased performance and reduced energy consumption.
Researchers developed a sensitive new way to detect and count transistor defects, which limit performance and reliability. The method works with traditional Si and SiC materials, identifying defect type and number with simple DC measurement.
Researchers at Incheon National University have developed a compact and robust optical sensor that can convert light to digital signals, suitable for flexible electronics. The new design architecture enables superior chip area efficiency and large-area scalability.
A team of researchers has developed a method to precisely modify electronic properties using ultraviolet light, enabling the creation of flexible circuits that can be used in real-time healthcare monitoring and data processing. This breakthrough technology may lead to the development of ultra-lightweight wearable healthcare devices and...
Researchers from SUTD discover a family of 2D semiconductors with Ohmic contacts, reducing electrical resistance and generating less waste heat. This breakthrough could pave the way for high-performance and energy-efficient electronics, potentially replacing silicon-based technology.
A University of Surrey undergraduate has developed a method to suppress hot-carrier effects in devices, leading to more reliable performance and increased power efficiency. This breakthrough uses a multimodal transistor architecture, which could enable high-performance amplifiers for environmental and biological sensor applications.
Researchers create transistors with an ultra-thin metal gate grown as part of the semiconductor crystal, eliminating oxidation scattering. This design improves device performance in high-frequency applications, quantum computing, and qubit applications.
Researchers at The Rockefeller University have revealed a more nuanced historical wave pattern to the rise of transistor density in silicon chips. The study highlights six waves of improvements, each lasting about six years, with significant increases in transistor density per chip.
Researchers at The Rockefeller University shed new light on 'Moore's Law,' revealing a more nuanced historical wave pattern to the rise of transistor density in silicon chips. The study predicts that the end of the silicon chip era is near, with only one or two silicon pulses left before further advances become exponentially difficult.
Researchers at TU Dresden introduce complementary vertical organic transistors that can operate at low voltage, have adjustable inverter properties, and demonstrate fast response times. The development of these devices could pave the way for flexible, printable electronics with GHz-regime performance.
A RMIT-led international collaboration has achieved record-high electron doping in a layered ferromagnet, causing magnetic phase transition with significant promise for future electronics. Ultra-high-charge, doping-induced magnetic phase transition in Fe5Ge2 enables promising applications in antiferromagnetic spintronic devices.
Researchers developed a low-cost way for backscatter radios to support high-throughput communication and 5G-speed Gb/sec data transfer using only a single transistor. This breakthrough enables scalable communication systems for IoT applications, including energy harvesting, smart home sensors, and agricultural tracking.
Researchers at Stanford University have invented a manufacturing technique that yields flexible, atomically thin transistors less than 100 nanometers in length. The technique, detailed in a paper published in Nature Electronics, promises bendable, shapeable, yet energy-efficient computer circuits.
Integration of a mobility-enhanced field-effect transistor (FET) and a ferroelectric capacitor enables the creation of high-density, energy-efficient embedded memory directly on a microprocessor. This design significantly reduces signal travel distance, speeding up learning and inference processes in AI computing.
Researchers at The University of Hong Kong have created an atomic-scale ion transistor that can selectively transport ions faster than in bulk water. The device achieves this through electrically gated graphene channels, allowing for highly switchable ultrafast ion transport.
Researchers at MIT have found a way to control antiferromagnetic switching in neodymium nickelate, enabling potentially faster and more secure data storage. The discovery could lead to new types of memory devices using antiferromagnets.
Researchers developed a brain-like device with organic, electrochemical synaptic transistors that mimic human brain's short-term and long-term plasticity. The device can learn by association and overcome traditional computing limitations, such as energy consumption and limited multitasking capabilities.
Engineers at Duke University have created the world's first fully recyclable printed electronics by demonstrating a fully functional transistor made from three carbon-based inks. The researchers successfully reclaimed nearly 100% of all-carbon-based transistors while retaining their future functionality.
Researchers at the Fritz Haber Institute have developed a novel method for fast material manipulation using laser pulses, significantly reducing switching times. The technique involves shining light on a semi-metallic crystal to re-organize its internal electronic structure, changing conductivity and allowing for ultrafast control.
Dr. Kiana Aran's new technology, CRISPR-SNP-chip, detects single nucleotide polymorphisms without amplification, revolutionizing genetic research and diagnostics for diseases like Sickle Cell Disease and ALS.
Researchers at EPFL have developed a new transistor design that reduces resistance and heat dissipation in high-power systems. The innovative technology uses multi-channel designs and gallium nitride nanowires to improve conversion efficiencies.
Researchers at TU Wien found that thin hBN layers cause excessive leakage currents in miniaturised transistors, making it unsuitable as a gate insulator. The study suggests a need to search for alternative insulator materials to revolutionize the semiconductor industry.
Researchers at the University of Tsukuba successfully detect and map electronic spins in a working transistor made of molybdenum disulfide. This breakthrough could lead to the development of faster spintronic computers that exploit electrons' natural magnetism.
Dresden researchers have developed a novel device concept combining vertical organic permeable base transistors and OLEDs, achieving high efficiencies and low driving voltages. The new strategy paves the way for highly-efficient flexible displays with simple pixel designs.
Rice University scientists develop a new theory that can help identify materials for advanced spintronic devices, which depend on electron spin states. The theory predicts heteropairs of two-dimensional bilayers that enable large Rashba splitting, making room-temperature spin transistors possible.
Researchers at MIT have developed a stable, easy-to-make superconducting transistor using nanowires. The new technology could overcome the disadvantages of existing superconducting devices, such as high cost and complexity, and find applications in quantum computers, telescopes, and energy-hungry electronics.
Scientists have created a highly sensitive graphene-based terahertz detector, outperforming commercial analogs. The device's exceptional sensitivity enables faster data transfer rates, opening up prospects for applications in wireless communications, security systems, and medical diagnostics.
The uOttawa team has made significant advancements in organic thin-film transistors, which can be used to create flexible wearable electronics that monitor athletes' physical health in real-time. The technology also has potential applications in artificial skin for robots and sensors for athletic clothing.
Researchers at University of Tsukuba develop a new carbon-based electrical device, π-ion gel transistors (PIGTs), with improved conductivity. The innovative technology may lead to the creation of flexible electronics and efficient photovoltaics.
Researchers at University at Buffalo have developed a new, two-dimensional transistor made of graphene and molybdenum disulfide that requires half the voltage of current semiconductors. The device can handle a greater current density, making it key to meet the demand for power-hungry nanoelectronic devices.
Researchers at MIT have found a way to overcome oxide trapping issues, allowing InGaAs transistors to compete with silicon technology. The alloy's electron transport properties enable faster calculations and improved energy efficiency.
Purdue University engineers have demonstrated a way to disguise which transistor is which by building them out of a sheet-like material called black phosphorus. This built-in security measure would prevent hackers from getting enough information about the circuit to reverse engineer it.
Researchers have discovered a new chemical design principle for exploiting destructive quantum interference to create a six-nanometer long single-molecule switch with an enormous on/off ratio. The approach enables the production of stable and reproducible single-molecule switches at room temperature.