ORNL microscopy captures real-time view of evolving fuel cell catalysts
Atomic-level imaging of catalysts by scientists at the Department of Energy's Oak Ridge National Laboratory could help manufacturers lower the cost and improve the performance of emission-free fuel...
View ArticleA nanoscale look at why a new alloy is amazingly tough
Just in time for the icy grip of winter: A team of researchers led by scientists from the U.S. Department of Energy Lawrence Berkeley National Laboratory (Berkeley Lab) has identified several...
View ArticleScientists guide gold nanoparticles to form 'diamond' superlattices
Using bundled strands of DNA to build Tinkertoy-like tetrahedral cages, scientists at the U.S. Department of Energy's Brookhaven National Laboratory have devised a way to trap and arrange nanoparticles...
View ArticleNew form of electron-beam imaging can see elements that are 'invisible' to...
Electrons can extend our view of microscopic objects well beyond what's possible with visible light—all the way to the atomic scale. A popular method in electron microscopy for looking at tough,...
View ArticleReal-time direct observation of atom movements in electron microscopy
Atomic motion in a crystalline oxide that was used as a cathode in Li-ion batteries was directly demonstrated by state-of-an-art transmission electron microscopy, revealing the transient pathway of a...
View ArticleNew tool allows scientists to visualize 'nanoscale' processes
Chemists at UC San Diego have developed a new tool that allows scientists for the first time to see, at the scale of five billionths of a meter, "nanoscale" mixing processes occurring in liquids.
View ArticleVisualizing the lithiation of a nanosized iron-oxide material in real time
From cell phones to laptops and tablets, lithium-ion batteries power most of today's portable electronics. Understanding how these batteries store and release energy as they charge and discharge is...
View ArticleScanning for skyrmions: Scientists directly image skyrmion cluster state...
Magnetic skyrmions, or noncoplanar swirling spin textures, are particle-like spin configurations with an integer topological charge that promise faster, denser memory storage. The hurdle to overcome in...
View ArticleTransmission electron microscope technique reveals atomic movements useful...
Life in the nano lane is fast and just got faster in terms of knowledge of fundamental mechanisms working at the nanoscale—where processes are driven by a dance of particles such as atoms and ions...
View ArticleA glimpse inside the atom
An electron microscope can't just snap a photo like a mobile phone camera can. The ability of an electron microscope to image a structure – and how successful this imaging will be – depends on how well...
View ArticleElectron kaleidoscope: New technique visualizes multiple objects in many colors
Electron microscopy (EM), which uses particle beams of accelerated electrons to interrogate specimens, has long been a leading technology for revealing the shape and structure of the tiniest objects,...
View ArticleKeratin and melanosomes preserved in 130-million-year-old bird fossil
New research from North Carolina State University, the Chinese Academy of Sciences and Linyi University has found evidence of original keratin and melanosome preservation in a 130-million-year-old...
View ArticleNanoscale view of energy storage
In a lab 18 feet below the Engineering Quad of Stanford University, researchers in the Dionne lab camped out with one of the most advanced microscopes in the world to capture an unimaginably small...
View ArticleStudy examines tungsten in extreme environments to improve fusion materials
A fusion reactor is essentially a magnetic bottle containing the same processes that occur in the sun. Deuterium and tritium fuels fuse to form a vapor of helium ions, neutrons and heat. As this hot,...
View ArticleTwo-dimensional MXene materials get their close-up
Researchers have long sought electrically conductive materials for economical energy-storage devices. Two-dimensional (2-D) ceramics called MXenes are contenders. Unlike most 2-D ceramics, MXenes have...
View ArticleChemical reactions 'filmed' at the single-molecule level
Scientists have succeeded in 'filming' inter-molecular chemical reactions – using the electron beam of a transmission electron microscope (TEM) as a stop-frame imaging tool. They have also discovered...
View ArticleHigh-resolution imaging with conventional microscopes
MIT researchers have developed a way to make extremely high-resolution images of tissue samples, at a fraction of the cost of other techniques that offer similar resolution.
View ArticleGraphene encapsulation provides unprecedented view of the diffusion and...
Carbon is one of the most versatile elements: it forms the basis for an enormous number of chemical compounds, it has several allotropes of different dimensionality, and it exhibits many different...
View ArticleResearchers measure light fields in 3-D
Researchers from TU Graz and the University of Graz present the new method of 3-D-plasmon tomography in Nature Communications.
View ArticleDetermining the parameters for transmission electron microscopy
While the phones in our pockets may be perfect for taking photos of our pets, taking good images of catalysts and other materials is far more complex, especially when you bring in scanning transmission...
View ArticleMaking better batteries via real-time TEM observation
Lithium-sulfur (Li-S) batteries, which employ sulfur as cathode and metallic lithium as anode materials, have been widely nominated as one of the most promising next-generation electrochemical storage...
View ArticleNew microscopy method for quick and reliable 3-D imaging of curvilinear...
Physical and biological sciences increasingly require the ability to observe nano-sized objects. This can be accomplished with transmission electron microscopy (TEM), which is generally limited to 2D...
View ArticleHow bacteria produce manganese oxide nanoparticles
Bacteria that produce manganese (Mn) oxides are extraordinarily skilled engineers of nanomaterials that contribute significantly to global biogeochemical cycles. However, mineralization mediated by...
View ArticleElectron microscopy provides clues into the colorful chemistry of dragonfly...
Dazzling dragonfly wings may send poets rhapsodizing, but scientists yearn for a better understanding. In particular, they want to know the chemistry of the different layers giving rise to natural...
View ArticleScientists capture colliding organic nanoparticles on video for first time
A Northwestern University research team is the first to capture on video organic nanoparticles colliding and fusing together. This unprecedented view of "chemistry in motion" will aid Northwestern...
View ArticleHot vibrating gases under the electron spotlight
Natural gas is used in refineries as the basis for products like acetylene. The efficiency of gaseous reactions depends on the dynamics of the molecules—their rotation, vibration and translation...
View ArticleTeam maps magnetic fields of bacterial cells and nano-objects for the first time
A research team led by a scientist from the U.S. Department of Energy's Ames Laboratory has demonstrated for the first time that the magnetic fields of bacterial cells and magnetic nano-objects in...
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 ArticleAtomically resolving images of beam-sensitive materials using transmission...
Staff members at King Abdullah University of Science and Technology (KAUST) have devised a methodology for the procurement of atomically resolved images of beam-sensitive materials using transmission...
View ArticleBryozoans, brachiopods, and phoronida originate from the common ancestor
A biologist from Lomonosov Moscow State University has studied the nervous system of the adult phoronida using modern methods and presented new facts regarding the taxonomy of invertebrates, proving...
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