Physics

X-ray photoelectron spectroscopy under real ambient pressure conditions

Researchers at Institute for Molecular Science (IMS), Innovation Research Center for Fuel Cells, University of Electro-Communications, Research Center for Materials Science, Nagoya University, and JASRI (Japan Synchrotron Radiation Research Institute), have improved an ambient-pressure photoelectron spectroscopy instrument using hard X-rays produced at SPring-8 and succeeded in photoelectron spectrometry under real atmospheric pressure for the first time in the world. Their achievements has been published online in the Applied Physics Express.

Solution to distortion effect in STM scanning

STM scanning experiments on poorly conducting materials are challenging, and can cause a distortion effect. A new model corrects for this effect, allowing physicists to better study materials in their quest to understand unconventional superconductivity. Publication in Physical Review B as Editor's Suggestion.

Using mathematical methods to study complex biological networks

Complex biological processes such as metabolism often involve thousands of compounds coupled by chemical reactions. These process chains are described by researchers as chemical reaction networks. Researchers from the University of Luxembourg have developed new mathematical methods to study the energetic properties of these networks. The scientists published their findings in the scientific journal Physical Review X.

Fluid mechanics of table tennis balls—discovery of 'spin-crisis'

Research conducted by Takeshi Miyazaki and colleagues at the Complex Fluids Lab at UEC, Tokyo, covers environmental fluid mechanics in massive systems such as flight of projectiles and motion of vortices in the Earth's atmosphere and oceans, as well as so-called granular flows where studies focus on determining how the behavior of individual particles affect macroscopic fluid flow.

New class of 'soft' semiconductors could transform HD displays

New research could help usher in a new generation of high-definition displays, optoelectronic devices, photodetectors, and more. They have shown that a class of “soft” semiconductors can be used to emit multiple, bright colors from a single nanowire at resolutions as small as 500 nanometers. The work could challenge quantum dot displays that rely upon traditional semiconductor nanocrystals to emit light.

NASA Completes Milestone Toward Quieter Supersonic X-Plane

NASA has achieved a significant milestone in its effort to make supersonic passenger jet travel over land a real possibility by completing the preliminary design review (PDR) of its Quiet Supersonic Transport or QueSST aircraft design.

Study finds way to pack more data in single acoustic beam for underwater communications

A new strategy for sending acoustic waves through water could potentially open up the world of high-speed communications activities underwater, including scuba diving, remote ocean monitoring, and deep-sea exploration.

2-D material's traits could send electronics R&D spinning in new directions

Researchers created an atomically thin material and used X-rays to measure its exotic and durable properties that make it a promising candidate for a budding branch of electronics known as 'spintronics.'

One billion suns: World's brightest laser sparks new behavior in light

Using the brightest light ever produced on Earth, physicists have changed the way light behaves.

X-ray technique provides a new window into exotic properties of an atomically thin material

An international team of researchers, working at the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) and UC Berkeley, fabricated an atomically thin material and measured its exotic and durable properties that make it a promising candidate for a budding branch of electronics known as "spintronics."

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