Phosphorus equivalent of graphene makes reconfigurable transistors
May be useful for security, as it’s hard to tell how the circuitry might execute. Enlarge / One gate, two behaviors. (credit: Peng Wu et al.) At the moment, our processors are built on silicon. But fundamental limits on what can be done with.....»»
Rohm mass producing 650V GaN HEMTs
ROHM Semiconductor has announced mass production of 650V gallium nitride (GaN) high-electron-mobility transistors (HEMT) optimized for a wide range of power supply systems applications. These new products are jointly developed with Ancora Semiconduct.....»»
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Phosphorus runoff studies show importance of stable banks, cover crops
Spring rains are great for flowers and kayakers, but the season also prompts concern about algae bloom-causing phosphorus runoff into drinking water sources......»»
Engineering graphene-based quantum circuits with atomic precision
Imagine having a building made of stacks of bricks connected by adaptable bridges. You pull a knob that modifies the bridges and the building changes functionality. Wouldn't it be great?.....»»
Open box blowout: save up to $1,631 on current Macs, iPads, Apple Watch & more
Get an extra 20% off on top of already reduced prices on more than 1,000 Apple products, including Macs, iPads, Apple Watch Ultra, accessories and more. Each open-box device also comes with an Apple or Adorama-equivalent warranty and free shipping.Pr.....»»
Research on light emission from black phosphorus hints at new applications
Energy efficient LEDs (light emitting diodes) have begun to replace many types of lighting both indoor and outdoor. A key reason for the rise of LEDs has been materials research that greatly improved the quality and intensity of light achievable with.....»»
Keeping corn from frequenting the phosphorus buffet line
When it comes to food, plants can "eat" more than they need—just like the diner who can't resist another stop at the buffet line despite already feeling full. Indeed, with respect to phosphorus, corn plants will keep taking up the nutrient 25% to 8.....»»
Valley-transistor in two-dimensional materials: An ingredient for all-optical quantum technologies
Researchers from the Indian Institute of Technology Bombay have devised a novel method to construct valley transistors in two-dimensional materials using brief light pulses, bringing us closer to realizing practical all-optical quantum technologies......»»
Scientists realize light-driven programmable colloidal self-assembly
Prof. Peng Chenhui's team from the School of Physics, University of Science and Technology of China (USTC), realized the collective transfer and reconfigurable self-assembly of colloidal particles by combining the light-driven molecular motors with l.....»»
A particular "sandwich" of graphene and boron nitride may lead to next-gen microelectronics
Moiré patterns occur everywhere. They are created by layering two similar but not identical geometric designs. A common example is the pattern that sometimes emerges when viewing a chain-link fence through a second chain-link fence......»»
Intelligent membranes with memories for next-generation smart filters
Researchers from the National Graphene Institute (NGI) have created "intelligent" membranes whose "memory" can be used in areas like smart separation technology, wound management, drug delivery, sensors and memory devices......»»
Recycling lake sediments for crop production: A sustainable solution for closing the phosphorus cycle
A four-year field experiment conducted on the shores of restored Lake Mustijärv in Viljandi, Estonia, has revealed that recycling phosphorus-rich lake sediments back to agriculture could have positive impacts on crop production......»»
Migrating ions through the perovskite layer in two dimensions
Electrostatic doping has been widely used in low-dimensional materials, including carbon nanotube (CNT) and two-dimensional (2D) materials such as graphene and transition metal dichalcogenides (TMDs). Unlike conventional lattice doping with impurity.....»»
Giant magnetoresistance of Dirac plasma in high-mobility graphene
In a paper published in Nature this week (April 13, 2023), researchers from The University of Manchester report record-high magnetoresistance that appears in graphene under ambient conditions......»»
Tesla"s price war looms large in China"s auto market amidst recovery in Euro-American markets
The semiconductor shortages in the automotive industry have been persistent for three years now. In fact, the supply of microcontrollers (MCUs), microprocessors (MPUs), and insulated gate bipolar transistors (IGBTs) from international automotive IDMs.....»»
Researchers synthesize graphene using intense light
DGIST Professor Yoonkyu Lee's research team used intense light on the surface of a copper wire to synthesize graphene, thereby increasing the production rate and lowering the production cost of the high-quality transparent-flexible electrode material.....»»
BMW bets on design and recycling, not mining, to lower battery costs
Bringing down battery costs, most of which come from raw materials, is the key challenge for carmakers attempting to generate profits from EVs equivalent to those from combustion engine cars......»»
How to improve water permeability and rejection performance of RGO membranes? RGO-MXene membranes give answer
Membrane separation technology has become one of the most effective methods for water treatment, owing to its advantages of high separation efficiency, convenient operation and low-energy consumption. The membranes prepared from graphene oxide (GO) h.....»»
Study finds sulfate pollution impacts Texas gulf coast air
Sitting on the beach, taking in the breeze, you might think the sea air is better for you than its inland equivalent. But researchers at the University of Houston have found that the air along the Gulf of Mexico coast in Texas can be more polluted du.....»»
AI could replace equivalent of 300 million jobs - report
ChatGPT-style AI will have a large impact but new jobs could emerge, a Goldman Sachs report says......»»