Gallium Oxide: The Supercharged Semiconductor
A new compound semiconductor could surpass gallium nitride in RF and power electronics Image: Air Force Research Laboratory Victory Over Voltage: The U.S. Air Force Research Lab used this gallium oxide transistor to m.....»»
The other greenhouse gases warming the planet
While carbon dioxide, or CO2, is the best known greenhouse gas, several others, including methane and nitrous oxide, are also driving global warming and altering the Earth's climate......»»
Supercharged storms: how climate change amplifies cyclones
From Hurricane Helene to Typhoon Yagi, powerful storms are battering the globe, and scientists warn that a warming planet is amplifying their destructive force to unprecedented levels......»»
Hurricane Helene shuts down North Carolina facilities crucial for microchip production
Facilities in North Carolina operated by two companies that mine a crucial mineral needed for semiconductor production remain down because of the impacts of Hurricane Helene, raising worries about potential long-term effects on microchip supply......»»
Hurricane Helene Will Send Shockwaves Through the Semiconductor Industry
Downpours at Spruce Pine, North Carolina, have taken the biggest known deposit of high-purity quartz offline, leaving the global tech supply chain potentially starved of an ingredient vital for making microchips......»»
"Tamed" molecules for more sustainable catalysts: Chemists succeed in synthesizing a spectacular gallium compound
Catalysts play an important role in the manufacture of many products that we encounter in everyday life—for example in cars for exhaust gas purification or in the chemical industry in the production of fertilizers. Catalysts ensure that these react.....»»
Research reveals best conditions for storing graphene oxide
A research team from Skoltech and other scientific organizations conducted a study to determine which conditions are the most suitable for storing graphene oxide—a promising material that can be used for manufacturing composite materials, gas senso.....»»
Research explores organic semiconductor materials for sustainable temperature sensors
New research into organic semiconductor materials, led by the University of St Andrews, paves the way for more sustainable temperature sensors for use in everyday technology......»»
Light momentum turns pure silicon from an indirect to a direct bandgap semiconductor
UC Irvine-led research reveals that the optical properties of materials can be dramatically enhanced—not by changing the materials themselves, but by giving the light new properties......»»
Analysis of heterostructures for spintronics shows how two desired quantum-physical effects reinforce each other
Spintronics uses the spins of electrons to perform logic operations or store information. Ideally, spintronic devices could operate faster and more energy-efficiently than conventional semiconductor devices. However, it is still difficult to create a.....»»
How to prepare for a stormy "supercharged" September
The effects of climate change have become an ominous presence in our lives, and the dramatic media monikers that accompany them—bomb cyclones, atmospheric rivers, thundersnow, black swan events, heat domes, polar vortexes—sound almost biblical......»»
Tunable nonlinear Hall effect observed at room temperature in tellurium
A research team has discovered significant nonlinear Hall and wireless rectification effects at room temperature in elemental semiconductor tellurium (Te). Their research is published in Nature Communications......»»
Researchers identify novel approach to minimize nitrogen loss in crops
While agriculture producers apply nitrogen fertilizer to supply nutrients to their crops, they can't always keep those nutrients in the soil for maximum efficiency, often losing them into the atmosphere or water supply as nitrates and nitrous oxide......»»
Researchers solve long-standing mystery of alumina surface structure
Aluminum oxide (Al2O3), also known as alumina, corundum, sapphire, or ruby, is one of the best insulators used in a wide range of applications: in electronic components, as a support material for catalysts, or as a chemically resistant ceramic, to na.....»»
Electrically modulated light antenna points the way to faster computer chips
Today's computers reach their physical limits when it comes to speed. Semiconductor components usually operate at a maximum usable frequency of a few gigahertz—which corresponds to several billion computing operations per second......»»
Nuclear fuel experiment demonstrates how liquid plutonium oxide behaves at the hottest temperatures
The 2011 accident at the Fukushima-Daiichi plant in Japan inspired extensive research and analysis that elevated nuclear energy into a standard bearer for safety. It also inspired a number of studies at the U.S. Department of Energy's (DOE) Argonne N.....»»
Microchip Technology confirms theft of employee data
US-based semiconductor manufacturer Microchip Technology has confirmed that the cyberattack it suffered in August 2024 resulted in the theft of data, including “employee contact information and some encrypted and hashed passwords.” The br.....»»
Advances in semiconductor patterning: New block copolymer achieves 7.6 nm line width
A recently developed block copolymer could help push the limits of integration and miniaturization in semiconductor manufacturing, report scientists at Tokyo Institute of Technology (Tokyo Tech) and Tokyo Ohka Kogyo (TOK). Chemically tailored for rel.....»»
Microchip Technology manufacturing facilities impacted by cyberattack
American semiconductor manufacturer Microchip Technology Incorporated has had some of its business operations disrupted by a cyberattack. “As a result of the incident, certain of the Company’s manufacturing facilities are operating at less th.....»»
Researchers observe Floquet states in colloidal nanoplatelets driven by visible pulses
Solution-processed semiconductor nanocrystals are also called colloidal quantum dots (QDs). While the concept of size-dependent quantum effects had long been known to physicists, a sculpture of the theory into real nanodimensional objects remained im.....»»
Newly discovered ability of comammox bacteria could help reduce nitrous oxide emissions in agriculture
An international research team led by the Centre for Microbiology and Environmental Systems Science (CeMESS) at the University of Vienna has discovered that comammox bacteria, first identified by them in 2015, can grow using guanidine, a nitrogen-ric.....»»