tag: UCLA

Power/Performance Bits: Nov. 25
By Ann Mutschler - 25 Nov, 2014 - Comments: 0

Better photodetectors Photodetectors are semiconductor devices that convert incoming light into electrical signals used in a vast array of products, from visible and infrared light detection systems to television remote controls. Meanwhile, perovskite is an organic-inorganic hybrid material with a crystal structure that is very efficient at converting light into electricity, and in recent year... » read more

The Week In Review: Manufacturing
By Mark LaPedus - 21 Nov, 2014 - Comments: 0

A majority of Americans cannot endure more than two hours without checking their electronic devices, according to new data released in the Crucial.com Tech-Life Balance Survey. One in four Americans becomes stressed by going longer than 30 minutes without checking their email or phone due to a fear of missing out. Additionally, one in five would sooner go to dinner with an ex significant other ... » read more

System Bits: Nov. 11
By Ann Mutschler - 11 Nov, 2014 - Comments: 0

How transistors operate at absolute zero Research led by scientists at Chalmers University of Technology in Sweden and Caltech in California have demonstrated how noise in a microwave amplifier is limited by self-heating at very low temperatures, which is expected to be of importance for future discoveries in such as quantum computers and radio astronomy. The team also included researchers ... » read more

Power/Performance Bits: Oct. 28
By Ann Mutschler - 28 Oct, 2014 - Comments: 0

More powerful, sensitive wearables With their special electronic and optical properties, nanomaterials such as graphene and molybdenum sulfide have created excitement among UCLA scientists for their potential to revolutionize transistors and circuits. Research is underway there that has the potential to increase the efficiency and capabilities of the 2D layered semiconductors used in high-s... » read more

System Bits: Oct. 21
By Ann Mutschler - 21 Oct, 2014 - Comments: 0

Simplified superconducting circuits Computer chips with superconducting circuits, which means they have no electrical resistance, are said to be 50 to 100 times as energy-efficient as today’s technology. Superconducting chips are also said to have greater processing power: Superconducting circuits that use so-called Josephson junctions have been clocked at 770 gigahertz, or 500 times the spe... » read more

Power/Performance Bits: Sept. 23
By Ann Mutschler - 23 Sep, 2014 - Comments: 0

Improved liquid battery Researchers at MIT, led by a materials chemistry professor, have improved a proposed liquid battery system that could enable renewable energy sources to compete with conventional power plants. Professor Donald Sadoway and some colleagues have already started a company to produce electrical-grid-scale liquid batteries, with layers of molten material that automatically... » read more

Supply Chain Corruption
By Ernest Worthman - 04 Sep, 2014 - Comments: 0

The more the chip supply chain relies on third-party sources, the greater the risk for a design containing potential malicious code or functions. Today, complex and sophisticated ICs are ubiquitous in virtually every industry. They are being relied upon, as never before, to control critical infrastructure subsystems such as power, finance, communications, and transportation. In a recent r... » read more

Power/Performance Bits: July 22
By Ann Mutschler - 22 Jul, 2014 - Comments: 0

Lasers to replace quartz in electronics? While nearly all electronics today require devices called oscillators that create precise frequencies, future high-end navigation systems, radar systems, and even possibly tomorrow's consumer electronics will require references beyond the performance of quartz, according to researchers at Caltech. In fact, these researchers have developed a method to... » read more

System Bits: June 10
By Ann Mutschler - 10 Jun, 2014 - Comments: 0

Graphene for dummies EPFL researchers have developed a “how-to” manual for making the most efficient optical graphene circuits possible that facilitates and accelerates technological development in this future field. Graphene holds great promise as the basis for new chips that are faster, better-performing and more compact. For example, graphene makes it possible to design systems that ... » read more

Power/Performance Bits: May 20
By Ann Mutschler - 20 May, 2014 - Comments: 0

Visualizing complex electronic states While producing the first detailed visualization — down to the level of individual atoms — of exactly how a material called sodium manganese dioxide that has shown promise for use in electrodes in rechargeable batteries behaves during charging and discharging, a team of researchers led by MIT has explained an exotic molecular state that may help in und... » read more

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