Scientists use DNA to assemble a transistor from graphene
(Phys.org) —Graphene is a sheet of carbon atoms arrayed in a honeycomb pattern, just a single atom thick. It could be a better semiconductor than silicon – if we could fashion it into ribbons 20 to 50 ...
Advancing graphene for post-silicon computer logic: Researchers pioneer new approach for graphene logic circuits
A team of researchers from the University of California, Riverside's Bourns College of Engineering have solved a problem that previously presented a serious hurdle for the use of graphene in electronic devices.
New research suggests perovskite as cheaper replacement for silicon-based solar panels
New technique may open up an era of atomic-scale semiconductor devices
(Phys.org) —Researchers at North Carolina State University have developed a new technique for creating high-quality semiconductor thin films at the atomic scale – meaning the films are only one atom thick. ...
Stacking 2-D materials produces surprising results
(Phys.org) —Graphene has dazzled scientists, ever since its discovery more than a decade ago, with its unequalled electronic properties, its strength and its light weight. But one long-sought goal has proved ...
Dual-color lasers could lead to cheap and efficient LED lighting
(Phys.org) —A new semiconductor device capable of emitting two distinct colours has been created by a group of researchers in the US, potentially opening up the possibility of using light emitting diodes (LEDs) universally ...
Use of laser light yields versatile manipulation of a quantum bit
By using light, researchers at UC Santa Barbara have manipulated the quantum state of a single atomic-sized defect in diamond –– the nitrogen-vacancy center –– in a method that not only allows for ...
Nanowires grown on graphene have surprising structure
(Phys.org) —When a team of University of Illinois engineers set out to grow nanowires of a compound semiconductor on top of a sheet of graphene, they did not expect to discover a new paradigm of epitaxy.
Adapteva $99 parallel processing boards targeted for summer
Scientists measure near-field behavior of semiconductor plasmonic microparticles
(Phys.org) —Recent progress in the engineering of plasmonic structures has enabled new kinds of nanometer-scale optoelectronic devices as well as high-resolution optical sensing. But until now, there has ...
New method to generate arbitrary optical pulses
Scientists from the University of Southampton have developed a new technique to generate more powerful, more energy efficient and low-cost pulsed lasers.
New signal amplification process set to transform communications, imaging, computing
Signal amplification is ubiquitous to all electronic and optoelectronic systems for communications, imaging and computing - its characteristics directly impact device performance.
Stacking two-dimensional materials may lower cost of semiconductor devices
A team of researchers led by North Carolina State University has found that stacking materials that are only one atom thick can create semiconductor junctions that transfer charge efficiently, regardless ...