tag: graphene

Power/Performance Bits: Dec. 29
By Jesse Allen - 29 Dec, 2015 - Comments: 0

Wearing your batteries In spite of the progress in wearable devices, one challenge remaining is providing less obtrusive and cumbersome power sources. To tackle the problem, researchers at Case Western Reserve University developed flexible wire-shaped microsupercapacitors that can be woven into a jacket, shirt or dress. "The area of clothing is fixed, so to generate the power density need... » read more

Can Nano-Patterning Save Moore’s Law?
By Mark LaPedus - 19 Nov, 2015 - Comments: 0

For years the academic community has explored a novel technology called selective deposition. Then, more than a year ago, Intel spearheaded an effort to bring the technology from the lab to the fab at 7nm or 5nm. Today, selective deposition is still in R&D, but it is gaining momentum in the industry. With R&D funding from Intel and others, selective deposition, sometimes called ALD-e... » read more

Power/Performance Bits: Nov. 10
By Jesse Allen - 10 Nov, 2015 - Comments: 0

Singing to your storage Existing research on 'racetrack memory', which uses tiny magnetic wires, each one hundreds of times thinner than a human hair, down which magnetic bits of data run like racing cars around a track, has focused on using either magnetic fields or electric currents to move the data bits down the wires. However, both these options create heat and reduce power efficiency. ... » read more

A Semiconductor Approach To Desalination
By Jim Hogan - 05 Nov, 2015 - Comments: 0

By Bernard Murphy and Jim Hogan We’re not offering breaking news when we observe that the semiconductor industry is in flux. Major consolidations and lack of funding for startups point to an industry that, outside China, is maturing and seems to have lost the recipe for rapid growth. Apologists will argue that analog or MEMS or some other domains are still strong, but this misses the point... » read more

Power/Performance Bits: Nov. 3
By Jesse Allen - 03 Nov, 2015 - Comments: 0

Lithium-air batteries gain ground Scientists at the University of Cambridge have developed a working laboratory demonstration of a lithium-oxygen battery which has very high energy density, is more than 90% efficient, and can be recharged more than 2000 times. Their demonstrator relies on a highly porous, 'fluffy' carbon electrode made from graphene (comprising one-atom-thick sheets of ca... » read more

Power/Performance Bits: Oct. 27
By Jesse Allen - 27 Oct, 2015 - Comments: 0

Searching for energy-efficient architectures A workshop jointly funded by the Semiconductor Research Corporation (SRC) and National Science Foundation (NSF) sought out the key factors limiting progress in computing – particularly related to energy consumption – and novel research that could overcome these barriers. The report focuses on the most promising research directions in the ex... » read more

Power/Performance Bits: Sept. 1
By Jesse Allen - 01 Sep, 2015 - Comments: 0

Growing graphene nanoribbons University of Wisconsin-Madison engineers discovered a way to grow graphene nanoribbons with desirable semiconducting properties directly on a conventional germanium semiconductor wafer. This could allow manufacturers to easily use graphene nanoribbons in hybrid integrated circuits, which promise to significantly boost the performance of next-generation electroni... » read more

Recharging The Battery
By Ernest Worthman - 13 Aug, 2015 - Comments: 0

There are few technologies in today’s cutting-edge technological environment that have a difficult time finding new levels of performance. Battery technology is one of them. With the exception of a few experimental offerings, batteries and their performance metrics are relatively flat. There has been some progress, of course. But when compared to other technologies such as transistors, mem... » read more

Power/Performance Bits: Aug. 11
By Jesse Allen - 11 Aug, 2015 - Comments: 0

Tilting magnets for memory UC Berkeley researchers discovered a new way to switch the polarization of nanomagnets, which may offer a way for high-density storage to move from hard disks onto integrated circuits and potentially open the door to a memory system that can be packed onto a microprocessor. Creating and switching polarity in magnets without an external magnetic field has been a ... » read more

Power/Performance Bits: July 28
By Jesse Allen - 28 Jul, 2015 - Comments: 0

Synthesizing graphene on silicon Researchers from Korea University, in Seoul, developed an easy and microelectronics-compatible method to grow graphene and have successfully synthesized wafer-scale (four inches in diameter), high-quality, multi-layer graphene on silicon substrates. The method is based on an ion implantation technique, a process in which ions are accelerated under an electric... » read more

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