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Building the electron superhighway

Scientists have invented what they are calling 'an electron superhighway' in an organic semiconductor.


TV screens that roll up. Roofing tiles that double as solar panels. Sun-powered cell phone chargers woven into the fabric of backpacks. A new generation of organic semiconductors may allow these kinds of flexible electronics to be manufactured at low cost, says University of Vermont physicist and ...


SLAC's ultrafast 'electron camera' visualizes ripples in 2-D material


Research led by scientists from the Department of Energy's SLAC National Accelerator Laboratory and Stanford University shows how individual atoms move in trillionths of a second to form wrinkles on a three-atom-thick material. Revealed by a brand new "electron camera," one of the world's ...


Carnegie Mellon chemists characterize 3-D macroporous hydrogels

Methods will allow researchers to develop new 'smart' materials


Carnegie Mellon University chemists have developed two novel methods to characterize 3-dimensional macroporous hydrogels -- materials that hold great promise for developing "smart" responsive materials that can be used for catalysts, chemical detectors, tissue engineering scaffolds and absorbents ...


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Research findings point way to designing crack-resistant metals


Potential solutions to big problems continue to arise from research that is revealing how materials behave at the smallest scales.The results of a new study to understand the interactions of various metal alloys at the nanometer and atomic scales are likely to aid advances in methods of ...


Carbon nanotube computing?

Single-walled carbon nanotube composites show great promise for many things - including use as a material in 'unconventional' computing


As we approach the miniaturization limits of conventional electronics, alternatives to silicon-based transistors--the building blocks of the multitude of electronic devices we've come to rely on--are being hotly pursued.Inspired by the way living organisms have evolved in nature to perform ...


Solving molybdenum disulfide's 'thin' problem

Research team increases material's light emission by twelve times


The promising new material molybdenum disulfide (MoS2) has an inherent issue that's steeped in irony. The material's greatest asset - its monolayer thickness - is also its biggest challenge.Monolayer MoS2's ultra-thin structure is strong, lightweight, and flexible, making it a good candidate for ...


Researchers synthesize material for efficient plasmonic devices in mid-infrared range


A research team led by North Carolina State University has identified and synthesized a material that can be used to create efficient plasmonic devices that respond to light in the mid-infrared (IR) range. This is the first time anyone has demonstrated a material that performs efficiently in ...


How iron feels the heat

New findings could one day help researchers design better and stronger steel


As you heat up a piece of iron, the arrangement of the iron atoms changes several times before melting. This unusual behavior is one reason why steel, in which iron plays a starring role, is so sturdy and ubiquitous in everything from teapots to skyscrapers. But the details of just how and why ...


New self-stretching material developed

No limit to number of times material can change shape


Although most materials slightly expand when heated, there is a new class of rubber-like material that not only self-stretches upon cooling; it reverts back to its original shape when heated, all without physical manipulation. The findings were recently published in the journal ACS Macro ...


Evonik named to institute for advanced composites manufacturing innovation


Evonik Corporation, Parsippany, USA, was recently named by U.S. President Barack Obama as a key partner of the Advanced Composites Manufacturing Innovation Institute (IACMI), a $250 million public-private partnership of academia, federal and state government, and companies seeking to advance the ...


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