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How “2D” materials expand

Scientists have developed a method to accurately measure the thermal expansion coefficient of 2D materials when heated, which could help engineers design next-generation electronics. The approach uses laser light to track vibrations of atoms in the material, allowing for precise measurements and confirming theoretical calculations.

SourceMassachusetts Institute of Technology·JournalScience Advances·DateNov 18, 2022

Solving the puzzle of 2D disorder

An interdisciplinary team of Northwestern University researchers has developed a new method to determine the fingerprint of neighboring disorder in 2D materials. This method enables a universal curve that characterizes disorder potentials, leading to improved performance in transistors and gas sensors.

SourceNorthwestern University·Journal2D Materials·TypeExperimental study·DateJun 16, 2022

Researchers develop the world's first ultra-fast photonic computing processor using polarization

Scientists at the University of Oxford have created a new type of computing processor that uses light to process information, achieving speeds faster than traditional electronics. By leveraging multiple polarisation channels, the researchers increased computing density by several orders of magnitude, paving the way for more efficient p...

SourceUniversity of Oxford·JournalScience Advances·TypeExperimental study·DateJun 15, 2022

Synthesis of two-dimensional holey graphyne

Researchers have successfully synthesized a new type of carbon allotrope called holey graphyne, which has semiconductor properties and can be used in various applications. The material was created using a bottom-up approach and consists of alternately linked benzene rings and C≡C bonds.

SourceInstitute for Basic Science·JournalMatter·TypeExperimental study·DateMay 18, 2022

Speed limit of computers detected

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.

SourceGraz University of Technology·JournalNature Communications·TypeExperimental study·DateMar 25, 2022

Quantum physics sets a speed limit to electronics

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.

SourceVienna University of Technology·JournalNature Communications·TypeComputational simulation/modeling·DateMar 25, 2022

Simply printing high-performance perovskite-based transistors

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...

Live wire: new research on nanoelectronics

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.

SourceArizona State University·JournalACS Nano·TypeExperimental study·DateFeb 24, 2022

Building artificial nerve cells

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.

SourceLinköping University·JournalNature Communications·TypeExperimental study·DateFeb 22, 2022

Speeding through nanowire

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.

SourceHelmholtz-Zentrum Dresden-Rossendorf·JournalNature Communications·TypeExperimental study·DateFeb 7, 2022

Edge processing research takes Surrey discovery closer to use in artificial intelligence networks

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 ...

SourceUniversity of Surrey·JournalScientific Reports·TypeComputational simulation/modeling·DateJan 17, 2022

Terahertz radiation source: Compact and simple

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.

SourceVienna University of Technology·JournalApplied Physics Letters·TypeExperimental study·DateJan 11, 2022

Negative capacitance in topological transistors could reduce computing’s unsustainable energy load

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.

Intelligent transistor developed at TU Wien

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.

SourceVienna University of Technology·JournalACS Nano·TypeExperimental study·DateDec 1, 2021

Toward accurate modeling of power MOSFET electrical characteristics

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.

SourceNara Institute of Science and Technology·JournalIEEE Transactions on Power Electronics·DateOct 12, 2021

Tuning flexible circuits with light

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...

SourceOsaka University·JournalAdvanced Materials·TypeExperimental study·DateSep 21, 2021

Surrey student makes a discovery that could improve the reliability of future smart electronics

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.

SourceUniversity of Surrey·JournalAdvanced Electronic Materials·TypeComputational simulation/modeling·DateAug 23, 2021

Twilight for silicon? Paper reappraises “Moore’s law” through chip density

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.

SourceTerry Collins Assoc·JournalPLOS ONE·TypeComputational simulation/modeling·DateAug 18, 2021

Transforming the layered ferromagnet F5GT for future spintronics

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.