New discovery opens for 3-D measurements of magnetism
A team of researchers from Uppsala University, China and Germany have substantially extended the possibilities of an experimental technique called EMCD, that is used for measuring magnetism in...
View ArticleGraphene specimen support technique for low voltage STEM imaging
Developing new scientific devices pushing the limits of what we can observe and measure does not occur overnight. There are typically baby steps involved, small and continuous improvements to counter...
View ArticleMagnets, all the way down!
In many ways, magnets are still mysterious. They get their (often powerful) effects from the microscopic interactions of individual electrons, and from the interplay between their collective behavior...
View ArticleTilted microscopy technique better reveals protein structures
The conventional way of placing protein samples under an electron microscope during cryo-EM experiments may fall flat when it comes to getting the best picture of a protein's structure. In some cases,...
View ArticleWriting with the electron beam—now in silver
When it comes to extremely fine, precise features, a scanning electron microscope (SEM) is unrivaled. A focused electron beam can directly deposit complex features onto a substrate in a single step...
View ArticleRail-like waveguides simplify miniaturizing photonic components on silicon...
High-speed optical circuits and sensors generally require strict control over light polarization to minimize loss and cross-talk in photonic devices such as waveguides. An A*STAR team now predicts that...
View ArticleDevelopment of novel electron microscopy techniques to extract obscured...
NIMS researchers Bo Da (researcher at the RCAMC and the CMI2, MaDIS) and Hideki Yoshikawa (leader of the Surface Chemical Analysis Group) and a research group led by Shigeo Tanuma (NIMS Special...
View ArticleFlood-damaged documents, books may be salvageable with electron beam technology
Documents, books and similar items soaked and muddied in the potentially sewage-laden flood waters produced by Hurricane Harvey may be salvageable with the use of electronic beam technology.
View ArticleWhen electrons ride a wave
Conventional electron accelerators have become an indispensable tool in modern research. The extremely bright radiation generated by synchrotrons, or free electron lasers, provides unique insights into...
View ArticleHow well electron transport works in furfural biogas
Furfural is a promising candidate in the quest for alternative biofuels. The combustion industries are very interested in what could become a potential new type of fuel derived from atmospheric-plasma...
View ArticleNaked molecules dancing in liquid become visible
Capturing the movement of molecules is not an easy task. Scientists at the Center for Soft and Living Matter, within the Institute for Basic Science (IBS) were able to observe the movement of molecules...
View ArticleConcrete applications for accelerator science
Particle accelerators are the engines of particle physics research at Fermilab. They generate nearly light-speed, subatomic particles that scientists study to get to the bottom of what makes our...
View ArticleEngineers create atomically thin superlattice materials with precision
Control is a constant challenge for materials scientists, who are always seeking the perfect material—and the perfect way of treating it—to induce exactly the right electronic or optical activity...
View ArticleMethod quickly probes atom-thin materials' ability to produce hydrogen
Rice University researchers have taken a deep look into atom-thick catalysts that produce hydrogen to see precisely where it's coming from. Their findings could accelerate the development of 2-D...
View ArticleElectrons surfing on a laser beam
The Large Hadron Collider at CERN in Switzerland, the largest accelerator in the world, has a circumference of around 26 kilometres. Researchers at Friedrich-Alexander Universität Erlangen-Nürnberg...
View ArticleVibrating nanoparticles interact: Placing nanodisks in groups can change...
Like a tuning fork struck with a mallet, tiny gold nanodisks can be made to vibrate at resonant frequencies when struck by light. In new research, Rice University researchers showed they can...
View ArticleThe moon is a harsh mistress—gravitational impacts on NSLS-II
Night and day, as the moon orbits around earth and the earth around the sun, the gravitational forces of these celestial bodies pull on the earth. This pulling force is what causes the earth's sea...
View ArticleNew 3-D models illustrate the effect of material roughness on electrons...
Photocathodes used in linear accelerator facilities, free electron lasers and advanced X-ray light sources generate a beam of electrons to probe matter at an atomic level. Advances in materials science...
View ArticleXenon in the Super Proton Synchrotron—first tests for a photon factory
Accelerator operators can perform amazing acrobatics with particle beams, most recently in the Super Proton Synchrotron (SPS), CERN's second-largest accelerator. For the first time, they have...
View ArticleWhere did those electrons go? Decades-old mystery solved
The concept of "valence" - the ability of a particular atom to combine with other atoms by exchanging electrons - is one of the cornerstones of modern chemistry and solid-state physics.
View ArticleFreezing electrons makes them get in line
New research published in Nature Communications suggests that electrons in a two-dimensional gas can undergo a semi-ordered (nematic) to mostly-ordered (smectic) phase transition, which has been...
View ArticleNew catalytic effect discovered for producing gallium oxide
Semiconducting oxides are a new class of materials that are currently enjoying great attention in the field of semiconductor technology. Gallium oxide is the archetypal example for its ability to...
View ArticleWater without windows: Capturing water vapor inside an electron microscope
The inside of an electron microscope, which requires vacuum levels similar to those encountered in outer space, can be an extremely inhospitable place for organic materials. Traditionally, life...
View ArticleHard-to-stretch silicon becomes superelastic
As a hard and brittle material, silicon has practically no natural elasticity. But in a new study, researchers have demonstrated that amorphous silicon can be grown into superelastic horseshoe-shaped...
View ArticleNew nanotweezers able to move sub-micrometer size objects in fluids
Two researchers with the Indian Institute of Science have developed tiny tweezers that can manipulate objects in fluids as small as an individual bacterium. In their paper published in the journal...
View ArticleResearchers measure single atoms in a graphene 'petri-dish'
Researchers working at The University of Manchester have shown new possibilities for observing nanomaterials in liquids by creating a graphene 'petri-dish'.
View ArticleContinuous Electron Beam Accelerator Facility delivers beam to all four of...
Just months after completing a nine-year construction project to upgrade its research capabilities, the Department of Energy's Thomas Jefferson National Accelerator Facility has delivered its next...
View ArticleSilicon nanoblock arrays create vivid colors with subwavelength resolution
Until now, the metamaterials used to create tunable color from structural geometry have been based on metals. Although effective in achieving high resolutions, metallic materials suffer from inherent...
View ArticleTiny gold spheres can be manipulated on surfaces using the effects of solvent...
Unlocking the molecule-detecting capabilities of gold nanoparticles often requires positioning techniques that are beyond the limits of conventional lithography. An A*STAR team now demonstrates that a...
View ArticleMagnetic trick triples the power of SLAC's X-ray laser
Scientists at the Department of Energy's SLAC National Accelerator Laboratory have discovered a way to triple the amount of power generated by the world's most powerful X-ray laser. The new technique,...
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