John Quintana has been named Deputy Laboratory Director for Operations and Chief Operations Officer (COO) of the U.S. Department of Energy’s (DOE) Argonne National Laboratory.
Argonne researchers have created a new technique that decontaminates urban areas faster than any other approach. The technology is simple and uses widely available materials and tools to clean and isolate radioactivity quickly, helping to restore basic services and reduce the radiation exposure of emergency personnel.
Iowa State's Liang Dong is leading development of graphene-based, sensors-on-tape that can be attached to plants and can provide data to researchers and farmers about water use in crops. The technology could have many other applications.
The U.S. Department of Energy honors Argonne researchers in top 40 research-paper countdown.
Some materials have the unique ability to self-assemble into organized molecular patterns and structures. Materials scientist Gregory Doerk of the Electronic Nanomaterials Group at the Center for Functional Nanomaterials (CFN)—a U.S. Department of Energy (DOE) Office of Science User Facility at Brookhaven National Laboratory—takes advantage of this ability in materials called block copolymers.
Scientists have recently used a new and counterintuitive approach to create a better catalyst that supports one of the reactions involved in splitting water into hydrogen and oxygen. By first creating an alloy of two of the densest naturally occurring elements and then removing one, the scientists reshaped the remaining material’s structure so that it better balanced three important factors: activity, stability and conductivity.
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 liquid can be studied at high resolution using electron microscopy.
Argonne research has shown how hybrid nanomaterials may be used to convert light energy more efficiently for applications in photocatalysis, photovoltaics and ultrafast optics.
Real-time imaging shows how hydrogen causes oxygen to leave a buried surface, transforming an oxide into a metal.
Simply applying a small voltage dramatically changes the atomic structure, vital to creating materials for advanced computer memory.
In today’s “internet of things,” devices connect primarily over short ranges at high speeds, an environment in which surface acoustic wave devices have shown promise for years. To obtain faster speeds, however, SAW devices need to operate at higher frequencies, limiting output power and overall performance. Researchers have demonstrated a new device that can achieve frequencies six times higher than most current devices. Their results are published this week in Applied Physics Letters.
A new x-ray beam technique tracks atomic-level changes under real-world operating conditions.
In new research, scientists at the University of Minnesota used a first-of-its-kind device to demonstrate a way to control the direction of electrical current generated by light, called photocurrent, without deploying an electric voltage.
Measured strong coupling of vibrations and electrons could lead to controlled magnetism and electronic properties.
An international group of researchers have designed new anti-viral nanoparticles that bind to a range of viruses, including herpes simplex virus, human papillomavirus, respiratory syncytial virus and Dengue and Lentiviruses. Unlike other broad-spectrum antivirals, which simply prevent viruses from infecting cells, the new nanoparticles destroy viruses.
For one of the strongest known materials, calculations clarify a long-standing debate about how atoms pack together.
UPTON, NY— As scientists have explored the structure and properties of matter at ever deeper levels they’ve discovered many exotic new materials, including superconductors that carry electric current with no resistance, liquid crystals that align to produce brilliant dynamic displays, and materials exhibiting various forms of magnetism.
Scientists at the U.S. Department of Energy’s Ames Laboratory have discovered a new process to sheathe metal under a single layer of graphite which may lead to new and better-controlled properties for these types of materials.
Theory predicts that bending a film will control spin direction and create a spin current for next-generation electronics.
Chemical Engineering Prof Daniel Esposito has developed a novel photovoltaic-powered electrolysis device that can operate as a stand-alone platform that floats on open water. His floating PV-electrolyzer can be thought of as a “solar fuels rig” that bears some resemblance to deep-sea oil rigs--but it would produce hydrogen fuel from sunlight and water instead of extracting petroleum from beneath the sea floor. (International Journal of Hydrogen Energy)
More materials for electronic applications could be identified, thanks to the discovery of a new metal-organic framework (MOF) that displays electrical semiconduction with a record high photoresponsivity, by a global research collaboration involving the University of Warwick.
Cage-like molecules with internal chemical hooks remove three times more hazardous radioactive iodine compounds than current methods.
The Florida State University-headquartered National High Magnetic Field Laboratory has shattered another world record with the testing of a 32-tesla magnet — 33 percent stronger than what had previously been the world’s strongest superconducting magnet used for research and more than 3,000 times stronger than a small refrigerator magnet.
Lasers reveal a new state of matter—the first 3-D quantum liquid crystal.
Unexpectedly, a little chemical substitution stabilizes unusual magnetic phase of vortexes called skyrmions.
An international team of scientists —– including several researchers from the U.S. Department of Energy’s (DOE) Argonne National Laboratory — – has discovered an anode battery material with superfast charging and stable operation over many thousands of cycles.
New, unexpected paradigm discovered: Disorder may actually promote an exotic quantum state, with potential for ultrafast computing.
Shining light on a growing semiconductor modifies its interface with the surface and could improve the optical properties of each.
How sensitive is the human sense of touch? Sensitive enough to feel the difference between surfaces that differ by just a single layer of molecules, a team of researchers at the University of California San Diego has shown
To prevent water and ice from making our shoes soggy, frosting our car windows and weighing down power lines with icicles, scientists have been exploring new coatings that can repel water. Now one team has developed a way to direct where the water goes when it’s pushed away. Their report appears in the journal ACS Applied Materials & Interfaces.
Researchers at Columbia Engineering, experts at manipulating matter at the nanoscale, have made an important breakthrough in physics and materials science, recently reported in Nature Nanotechnology. Working with colleagues from Princeton and Purdue Universities and Istituto Italiano di Tecnologia, the team has engineered “artificial graphene” by recreating, for the first time, the electronic structure of graphene in a semiconductor device.
A molecular-sized brush that looks like a shoe brush has properties with great potential for the materials industry and medicine, but polyelectrolyte brushes can be sensitive, and getting them to work right tricky. New research shows what can make them break down, but also what can get them to systematically recover.
Physicists want to create novel compounds that surpass diamonds in heat resistance and nearly rival them in hardness. In a paper in the journal Materials, they investigate how the addition of boron, while making a diamond film via plasma vapor deposition, changes properties of the diamond material.
Research and development around new applications and industries based on the advanced material graphene – hailed as the “miracle material of the 21st century” – is the focus of a new Graphene Research Hub being launched at the University of Adelaide today.
A coral reef-dwelling starfish that creates highly resistant lenses from chalk has given an international team of researchers a biostrategy that could lead to new ways for toughening brittle ceramics in applications including optical lenses, automotive turbochargers and biomaterial implants.
A research team led by faculty at Binghamton University, State University of New York has developed an entirely textile-based, bacteria-powered bio-battery that could one day be integrated into wearable electronics.
Physicists at the U.S. Department of Energy’s Ames Laboratory compared similar materials and returned to a long-established rule of electron movement in their quest to explain the phenomenon of extremely large magnetoresistance (XMR).
For decades, scientists have been trying to make a true molecular chain: a repeated set of tiny rings interlocked together. In a study in Science published online Nov. 30, University of Chicago researchers announced the first confirmed method to craft such a molecular chain.
If you have looked closely at a microwave’s warnings or have experienced an accidental explosion, you know that certain foods pose a risk due to an increase in their internal pressure, and potatoes and hard-boiled eggs are among the most common culprits. Researchers from Charles M. Salter Associates will present their research on the sound pressures generated by exploding eggs at the 174th ASA Meeting, Dec. 4-8, 2017, in New Orleans, Louisiana.
What is the difference between linear chains and rings composed of the same material? The molecular building blocks are identical, but from a mathematical point of view the two structures have distinct topologies, namely ring and linear chain. This difference is readily recognizable on a macroscopic scale, as for example a golden ring and a gold bar, but represents a tricky task on the microscopic scale. The physicists Lisa Weiss and Christos Likos of the University of Vienna and Arash Nikoubashman of the Johannes-Gutenberg University of Mainz investigated strategies to separate nano- and microparticles of distinct topology. Their results are published in the high-impact journal ACS Macro Letters.
University of Washington engineers have developed the first 3-D printed plastic objects that can connect to other devices via WiFi without using any electronics, including a laundry bottle that can detect when soap is running low and automatically order more.
Physicists at West Virginia University have discovered a way to control a newly discovered quantum particle, potentially leading to faster computers and other electronic devices.
The results described in this work show the electrical resistivity measurement method has the potential to be an accurate means for measuring the water absorption of very fine particles. Such advances in characterization methods for fine particles support the broader acceptance of recycled concrete.
An innovative conductive composite, ionically conductive mortar, is developed in this study.
Researchers from the University of Minnesota College of Science and Engineering have found yet another remarkable use for the wonder material graphene—tiny electronic “tweezers” that can grab individual biomolecules with incredible efficiency. This capability could lead to a revolutionary handheld disease diagnostic system that could be run on a smart phone.
Scientists at the Department of Energy’s SLAC National Accelerator Laboratory and Stanford University have shown that copper-based superconductors, or cuprates – the first class of materials found to carry electricity with no loss at relatively high temperatures – contain fluctuating stripes of electron charge and spin that meander like rivulets over rough ground.
Earlier this year, amorphous diamond was synthesized for the first time using a technique involving high pressures, moderately high temperatures and a tiny amount of glassy carbon as starting material. A father-son team at Clemson University has now successfully calculated a number of basic physical properties for this new substance, including elastic constants and related quantities. The results are reported this week in Applied Physics Letters.
New developments may now propel nanoswimmers from science fiction to reality thanks to unexpected help from bacteria. An international research team has demonstrated a new technique for plating silica onto flagella, the helix-shaped tails found on many bacteria, to produce nanoscale swimming robots. As reported this week in APL Materials, the group’s biotemplated nanoswimmers spin their flagella thanks to rotating magnetic fields and can perform nearly as well as living bacteria.
Scientists unlock the key to efficiently make a new class of engineering polymers.
An entirely human-made architecture produces hydrogen fuel using light, shows promise for transmitting energy in numerous applications.
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