Advertisement
Materials
Subscribe to Materials

The Lead

Cooling to near absolute zero with magnetic molecules

October 23, 2014 12:56 pm | News | Comments

An international team of scientists have become the first to successfully reach temperatures below -272.15 C, which is just above absolute zero, using magnetic molecules. The effort, which avoids the use of helium, depends on a form of gadolinium that appropriately has a structure resembling a snowflake.

Scientists to use tiny particles to fight big diseases

October 23, 2014 12:49 pm | Videos | Comments

A group of scientists in Florida have combined medicine and advanced nanotechnological...

NIST offers electronics industry two ways to snoop on self-organizing molecules

October 23, 2014 12:33 pm | News | Comments

A few short years ago, the idea of a practical manufacturing process based on getting molecules...

Strengthening thin-film bonds with ultra-fast data collection

October 23, 2014 8:29 am | by Michael Baum, NIST | News | Comments

When studying extremely fast reactions in ultra-thin materials, two measurements are better than...

View Sample

FREE Email Newsletter

Special microscope captures defects in nanotubes

October 22, 2014 8:16 am | News | Comments

Univ. of Oregon chemists have devised a way to see the internal structures of electronic waves trapped in carbon nanotubes by external electrostatic charges. Their atomic scale observations provide a detailed view of traps that disrupt energy flow, possibly pointing toward improved charge-carrying devices.

Could I squeeze by you?

October 22, 2014 8:15 am | by Breehan Gerleman Lucchesi, Communications Specialist, Ames Laboratory | News | Comments

Scientists at Ames Laboratory have developed deeper understanding of the ideal design for mesoporous nanoparticles used in catalytic reactions, such as hydrocarbon conversion to biofuels. The research will help determine the optimal diameter of channels within the nanoparticles to maximize catalytic output.

Study: Graphene fragments speed up rate of chemical reactions

October 22, 2014 8:11 am | News | Comments

Researchers in Australia have discovered that nano-sized fragments of graphene have the ability to speed up the rate of chemical reactions. The finding is significant, say researchers, because it suggested that graphene might have potential applications in catalyzing chemical reactions of industrial importance.

Advertisement

Garnet ceramics ideal for high-energy lithium batteries

October 22, 2014 8:06 am | by Morgan McCorkle, Oak Ridge National Laboratory | News | Comments

Scientists at Oak Ridge National Laboratory have discovered exceptional properties in a garnet material that could enable development of higher-energy battery designs. The team used electron microscopy to take an atomic-level look at a cubic garnet material called LLZO. The researchers found the material to be highly stable in a range of aqueous environments, making the compound a promising component in new battery configurations.

Ultra-thin carbon electrodes are powerful tool for studying brain disorders

October 21, 2014 11:34 am | News | Comments

Researchers at the Univ. of Pennsylvania and The Children's Hospital of Philadelphia have used graphene to fabricate a new type of microelectrode that solves a major problem for investigators looking to understand the intricate circuitry of the brain. The see-through, one-atom-thick electrodes can obtain both high-resolution optical images and electrophysiological data for the first time.

Puzzling new behavior found in high-temperature superconductors

October 21, 2014 9:11 am | by SLAC Office of Communications | News | Comments

Research by an international team of scientists has uncovered a new, unpredicted behavior in a copper oxide material that becomes superconducting at relatively high temperatures. This new phenomenon presents a challenge to scientists seeking to understand its origin and connection with high-temperature superconductivity. Their ultimate goal is to design a superconducting material that works at room temperature.

When emotions control objects

October 20, 2014 11:51 am | by Cécilia Carron, EPFL | Videos | Comments

Sensors developed by SmartCardia, a spin-off from EPFL in Switzerland, use various biological vital signs to transmit data to a host of everyday objects. This data, which includes heart rate, respiration activity, skin conductivity and physical exertion, can be used dim a light, control immersive playing on a computer, and track yoga exercises in real time.

Study: Odors, chemicals above health standards caused by “green building” plumbing

October 20, 2014 11:27 am | by Emil Venere, Purdue Univ. | News | Comments

Several types of plastic pipes in eco-friendly green buildings in the U.S. have been found to leach chemicals into drinking water that can cause odors and sometimes exist at levels that may exceed health standards. Purdue Univ. engineering professor Andrew Whelton will detail these findings during the 2014 U.S. Green Building Council’s Greenbuild International Conference & Exposition on Oct. 24 in New Orleans.

Advertisement

Atomic trigger shatters mystery of how glass deforms

October 20, 2014 11:04 am | News | Comments

Research at Oak Ridge National Laboratory has cracked one mystery of glass to shed light on the mechanism that triggers its deformation before shattering. The study improves understanding of glassy deformation and may accelerate broader application of metallic glass, a moldable, wear-resistant, magnetically exploitable material that is thrice as strong as the mightiest steel and ten times as springy.

Crystallizing the DNA nanotechnology dream

October 20, 2014 9:46 am | by Kat J. McAlpine, Wyss Institute for Biologically Inspired Engineering | News | Comments

DNA has garnered attention for its potential as a programmable material platform that could spawn entire new and revolutionary nanodevices in computer science, microscopy, biology and more. Researchers have been working to master the ability to coax DNA molecules to self-assemble into the precise shapes and sizes needed in order to fully realize these nanotechnology dreams.

Goldilocks principle wrong for particle assembly

October 20, 2014 9:32 am | by New York Univ. | News | Comments

Microscopic particles that bind under low temperatures will melt as temperatures rise to moderate levels, but re-connect under hotter conditions, a team of New York Univ. scientists has found. Their discovery points to new ways to create "smart materials," cutting-edge materials that adapt to their environment by taking new forms, and to sharpen the detail of 3-D printing.

Energy storage of the future

October 20, 2014 7:55 am | by Anne M. Stark, Lawrence Livermore National Laboraotry | News | Comments

Personal electronics such as cell phones and laptops could get a boost from some of the lightest materials in the world. Lawrence Livermore National Laboratory researchers have turned to graphene aerogel for enhanced electrical energy storage that eventually could be used to smooth out power fluctuations in the energy grid.

The Jefferson Project at Lake George unveils state-of-the-art data visualization laboratory

October 17, 2014 11:47 am | Videos | Comments

A partnership between Rensselaer Polytechnic Institute, IBM, and the FUND for Lake George has developed preliminary models of key natural processes within the watershed. A network of 12 sensor platforms including vertical profilers and tributary monitoring stations are now being deployed in Lake George and its tributaries, providing an unprecedented amount of data for researchers that will be interpreted at a new visualization laboratory.

Advertisement

New catalyst could improve biofuels production

October 17, 2014 9:36 am | by Tina Hilding, Voiland College of Engineering & Architecture | News | Comments

Washington State Univ. (WSU) researchers have developed a new catalyst that could lead to making biofuels cheaply and more efficiently. The WSU researchers developed a mixture of two metals, iron along with a tiny amount of palladium, to serve as a catalyst to efficiently and cheaply remove oxygen.

Scientist invent new method for fabricating graphene nanoribbons

October 17, 2014 9:23 am | by Shaun Mason, UCLA | News | Comments

Graphene’s exotic properties can be tailored by cutting large sheets down to ribbons of specific lengths and edge configurations. But this “top-down” fabrication approach is not yet practical, because current lithographic techniques always produce defects. Now, scientists from the U.S. and Japan have discovered a new “bottom-up” self-assembly method for producing defect-free graphene nanoribbons with periodic zigzag-edge regions.

Superconducting circuits, simplified

October 17, 2014 7:49 am | by Larry Hardesty, MIT News Office | News | Comments

Computer chips with superconducting circuits would be 50 to 100 times as energy efficient as today’s chips, an attractive trait given the increasing power consumption of the massive data centers that power Internet sites. Superconducting chips also promise greater processing power: Superconducting circuits that use so-called Josephson junctions have been clocked at 770 GHz, or 500 times the speed of the chip in the iPhone 6.

Magnetic mirrors enable new technologies by reflecting light in uncanny ways

October 16, 2014 10:18 am | News | Comments

As in Alice’s journey through the looking-glass to Wonderland, mirrors in the real world can sometimes behave in surprising and unexpected ways, including a new class of mirror that works like no other. Scientists have demonstrated, for the first time, a new type of mirror that forgoes a familiar shiny metallic surface and instead reflects infrared light by using an unusual magnetic property of a non-metallic metamaterial.

A simple and versatile way to build three-dimensional materials of the future

October 16, 2014 10:14 am | News | Comments

Researchers in Japan have developed a new yet simple technique called "diffusion driven layer-by-layer assembly" to construct graphene into porous 3-D structures for applications in devices such as batteries and supercapacitors. The new method borrowed a principle from polymer chemistry, known as interfacial complexation, to allow graphene oxide to form a stable composite layer with an oppositely charged polymer.

Scientists synthesize a two-element atomic chain inside a carbon nanotube

October 16, 2014 10:05 am | News | Comments

Researchers at Japan’s National Institute of Advanced Industrial Science and Technology have synthesized an atomic chain in which two elements, cesium and iodine, are aligned alternately inside a carbon nanotube. Analyzed using electron microscopy and spectroscopy, the invention could shed light on the adsorption mechanisms of radioactive elements.

Project to detect possible damages in aircraft parts early in process

October 16, 2014 9:21 am | News | Comments

Univ. of Texas at Arlington engineering professors have received an Air Force grant to examine the material surface at the micro- and nano-scale level that will provide clues for predicting fatigue in aircraft parts. The new approach will rely on a scanning whitelight interferometric surface profiler integrated with a compact mechanical tester and an electron backscatter diffraction module to deliver in-situ 3-D surface profiling.

A brighter design emerges for low-cost, “greener” LED light bulbs

October 15, 2014 2:52 pm | News | Comments

The phase-out of traditional incandescent bulbs in the U.S. and elsewhere, as well as a growing interest in energy efficiency, has given LED lighting a sales boost. That trend could be short-lived as key materials known as rare earth elements become more expensive. Scientists at Rutgers Univ., however, have now designed new materials for making household LED bulbs without using these ingredients.

Researchers develop world’s thinnest electric generator

October 15, 2014 2:47 pm | News | Comments

Scientists report that they have made the first experimental observation of piezoelectricity and the piezotronic effect in an atomically thin material, molybdenum disulfide. This finding has resulted in a unique electric generator and could point the way to mechanosensation devices that are optically transparent, extremely light, and very bendable and stretchable.

Cheap catalyst gets expensive accessory

October 15, 2014 12:06 pm | News | Comments

Iron catalysts remove oxygen inexpensively, but are susceptible to rust or oxidation in biofuel production. Precious metals that resist corrosion are even less efficient at removing oxygen. But adding just a touch of palladium to the iron produces a catalyst that quickly removes oxygen atoms, easily releases the desired products, and doesn't rust, according to scientists at Pacific Northwest National Laboratory and Washington State Univ.

Electric vehicle technology packs more punch in smaller package

October 15, 2014 8:46 am | by Ron Walli, Oak Ridge National Laboratory Communications | News | Comments

Using 3-D printing and novel semiconductors, researchers at Oak Ridge National Laboratory have created a power inverter that could make electric vehicles lighter, more powerful and more efficient. At the core of this development is wide bandgap material made of silicon carbide with qualities superior to standard semiconductor materials.

Innovations being commercialized to improve radiation detection, adhesives and sealants

October 15, 2014 8:17 am | Videos | Comments

Officials at a Chicago-based startup, Sagamore-Adams Laboratories LLC, say innovations discovered in Purdue University's School of Nuclear Engineering are being commercialized to address challenges in improving radiation detection and making sealants and adhesives safer. They have developed technology that could lead to radiation sensors that cost less and provide better information than traditional sensors.

X
You may login with either your assigned username or your e-mail address.
The password field is case sensitive.
Loading