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News About Semiconductor Technology
January 24, 2015
Solving an organic semiconductor mystery
Berkeley CA (SPX) Jan 24, 2015
Organic semiconductors are prized for light emitting diodes (LEDs), field effect transistors (FETs) and photovoltaic cells. As they can be printed from solution, they provide a highly scalable, cost-effective alternative to silicon-based devices. Uneven performances, however, have been a persistent problem. Scientists have known that the performance issues originate in the domain interfaces within organic semiconductor thin films, but have not known the cause. This mystery now appears to have been ... read more

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Laser-induced graphene 'super' for electronics
Rice University scientists advanced their recent development of laser-induced graphene (LIG) by producing and testing stacked, three-dimensional supercapacitors, energy-storage devices that are impo ... more
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Toward quantum chips
A team of researchers has built an array of light detectors sensitive enough to register the arrival of individual light particles, or photons, and mounted them on a silicon optical chip. Such array ... more
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Quantum optical hard drive breakthrough
Scientists developing a prototype quantum hard drive have improved storage time by a factor of more than 100. The team's record storage time of six hours is a major step towards a secure worldwide d ... more
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Know when to fold 'em
For over a half-century, games have been test beds for new ideas in Artificial Intelligence (AI) and the resulting successes have marked significant milestones - Deep Blue defeated Kasparov in chess ... more
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Shedding light on why blue LEDS are so tricky to make
Scientists at UCL, in collaboration with groups at the University of Bath and the Daresbury Laboratory, have uncovered the mystery of why blue light-emitting diodes (LEDs) are so difficult to make, ... more
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The fractional quantum Hall effect helps progress computing applications
The Hall effect, discovered in 1879, is observable when a Hall voltage perpendicular to the current is produced across a conductor under a magnetic field. Although the Hall effect was discovered in ... more
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Atoms queue up for quantum computer networks
In order to develop future quantum computer networks, it is necessary to hold a known number of atoms and read them without them disappearing. To do this, researchers from the Niels Bohr Institute h ... more
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Piezoelectricity in a 2-D semiconductor
A door has been opened to low-power off/on switches in micro-electro-mechanical systems (MEMS) and nanoelectronic devices, as well as ultrasensitive bio-sensors, with the first observation of piezoe ... more
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Instant-start computers possible with new breakthrough
To encode data, today's computer memory technology uses electric currents - a major limiting factor for reliability and shrinkability, and the source of significant power consumption. If data could ... more
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Organic electronics could lead to cheap, wearable medical sensors
Future fitness trackers could soon add blood-oxygen levels to the list of vital signs measured with new technology developed by engineers at UC Berkeley. "There are various pulse oximeters alr ... more
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Stanford team combines logic, memory to build a 'high-rise' chip
For decades, the mantra of electronics has been smaller, faster, cheaper. Today, Stanford engineers add a fourth word - taller. At a conference in San Francisco, a Stanford team will reveal how to b ... more
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Germanium comes home to Purdue for semiconductor milestone
A laboratory at Purdue University provided a critical part of the world's first transistor in 1947 - the purified germanium semiconductor - and now researchers here are on the forefront of a new ger ... more
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Switching to spintronics
In a development that holds promise for future magnetic memory and logic devices, researchers with the U.S. Department of Energy (DOE)'s Lawrence Berkeley National Laboratory (Berkeley Lab) and Corn ... more
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Room temp quantum optics chip geneates tunable photon-pair spectrum
A team of researchers from the University of California, San Diego have demonstrated a way to emit and control quantum light generated using a chip made from silicon-one of the most widely used mate ... more
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Unusual electronic state found in new class of unconventional superconductors
A team of scientists from the U.S. Department of Energy's (DOE) Brookhaven National Laboratory, Columbia Engineering, Columbia Physics and Kyoto University has discovered an unusual form of electron ... more
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High photosensitivity 2-D-few-layered molybdenum diselenide phototransistors
Two-dimensional (2D) layered materials are now attracting a lot of interest due to their unique optoelectronic properties at atomic thicknesses. Among them, graphene has been mostly investigated, bu ... more
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24/7 Energy News Coverage
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Computers that teach by example
Computers are good at identifying patterns in huge data sets. Humans, by contrast, are good at inferring patterns from just a few examples. In a paper appearing at the Neural Information Processing ... more
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US tech firm Intel plans $1.6 bn investment in China
US microprocessor maker Intel plans to invest $1.6 billion over the next 15 years to upgrade an existing facility in China's western city of Chengdu, the company said in a statement provided to AFP on Thursday. ... more
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Characteristics of a universal simulator
"A quantum computer may be thought of as a 'simulator of overall Nature," explains Fabio Franchini, a researcher at the International School for Advanced Studies (SISSA) of Trieste, "in other words, ... more
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Scientists film magnetic memory in super slo-mo
Researchers at DESY have used high-speed photography to film one of the candidates for the magnetic data storage devices of the future in action. The film was taken using an X-ray microscope and sho ... more
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Possible read head for quantum computers
Nitrogen-vacancy centers in diamonds could be used to construct vital components for quantum computers. But hitherto it has been impossible to read optically written information from such systems el ... more
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'Internet of Things' chipmakers to merge in $4 bn deal
Chipmakers Cypress Semiconductor and Spansion announced plans to merge Monday in a $4 billion deal bringing together two key makers of components for "Internet of Things" devices. ... more
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Global quantum communications -- no longer the stuff of fiction?
Neither quantum computers nor quantum cryptography will become prevalent technologies without memory systems able to manipulate quantum information easily and effectively. The Faculty of Physi ... more
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Making a sound loud enough to bend light on a computer chip
During a thunderstorm, we all know that it is common to hear thunder after we see the lightning. That's because sound travels much slower (768 miles per hour) than light (670,000,000 miles per hour) ... more
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