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13 Current news of American Institute of Physics
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Silver nanoparticles take spectroscopy to new dimension
A new way of organizing nanostructures has boosted Raman signals by a hundred thousand times to better identify and characterize different molecules
04-Jan-2018
As medicine and pharmacology investigate nanoscale processes, it has become increasingly important to identify and characterize different molecules. Raman spectroscopy, a technique that leverages the scattering of laser light to identify molecules, has a limited capacity to detect molecules in ...
Protein-folding simulations sped up
08-Dec-2017
Proteins, the ubiquitous workhorses of biochemistry, are huge molecules whose function depends on how they fold into intricate structures. To understand how these molecules work, researchers use computer modeling to calculate how proteins fold. Now, a new algorithm can accelerate those vital ...
Creative use of noise brings bio-inspired electronic improvement
27-Sep-2017
In conventional electronics, a great deal of effort is devoted to eliminating stochastic resonance (SR) -- the annoying hiss that generally hinders the detection of weak signals and degrades overall device performance. But, what if there were a way to exploit this effect to enhance signal ...
High-tech electronics made from autumn leaves
31-Aug-2017
Northern China's roadsides are peppered with deciduous phoenix trees, producing an abundance of fallen leaves in autumn. These leaves are generally burned in the colder season, exacerbating the country's air pollution problem. Investigators in Shandong, China, recently discovered a new method to ...
Fish 'biowaste' converted to piezoelectric energy harvesters
07-Sep-2016
Large quantities of fish are consumed in India on a daily basis, which generates a huge amount of fish "biowaste" materials. In an attempt to do something positive with this biowaste, a team of researchers at Jadavpur University in Koltata, India explored recycling the fish byproducts into an ...
Laboratory breakthrough may lead to improved X-ray spectrometers
09-Jun-2016
Researchers at the Paul Scherrer Institute's Swiss Light Source in Villigen, Switzerland, have developed a new design for X-ray spectrometers that eschews a commonly utilized component to lowers overall production costs and increase the efficiency of x-ray flux, which may lead to faster ...
Nanodevice, build thyself
Multitude electronic interactions govern the encounter between porphine and Cu and Ag surfaces
20-Jan-2016
As we continue to shrink electronic components, top-down manufacturing methods begin to approach a physical limit at the nanoscale. Rather than continue to chip away at this limit, one solution of interest involves using the bottom-up self-assembly of molecular building blocks to build nanoscale ...
Exploring the limits for high-performance LEDs and solar cells
07-Dec-2015
Hybrid optoelectronic devices based on blends of hard and soft semiconductors can combine the properties of the two material types, opening the possibility for devices with novel functionality and properties, such as cheap and scalable solution-based processing methods. However, the efficiency of ...
An easy, scalable and direct method for synthesizing graphene in silicon microelectronics
Korean researchers grow 4-inch diameter, high-quality, multi-layer graphene on desired silicon substrates
23-Jul-2015
In the last decade, graphene has been intensively studied for its unique optical, mechanical, electrical and structural properties, but most graphene fabrication methods are not compatible with silicon microelectronics, thus blocking graphene's leap from potential wonder material to actual ...
Fabricating inexpensive, high-temp SQUIDs for future electronic devices
24-Jun-2015
High-transition-temperature superconductivity within copper-oxide materials was discovered in 1986, and quickly set into motion an intense research effort by scientists and engineers around the globe to develop superconducting electronics capable of operating at and above liquid nitrogen ...
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