Sentences with phrase «metal nanostructures»
«Engineering Ordered and Nonordered Porous Noble Metal Nanostructures: Synthesis, Assembly, and Their Applications in Electrochemistry.»
https://www.pnnl.gov/
He has made pioneering discoveries in plasmonic cloaking (caused by the interaction of light and metal nanostructures) and invisibility, optical nanocircuits and nanoantennas, non-reciprocal devices, and giant nonlinear response in optical metamaterials.
This work was published in a paper titled, «Plasmoelectric Potentials in Metal Nanostructures.»
«So similarly, exciting these metal nanostructures near their resonance charges up those metal structures, producing an electrostatic potential that you can measure.»
Then, depending on the initial composition of the alloy and diffusion, the liquid metal can infiltrate the alloy resulting in two interpenetrating connected phases, leading to metal nanostructures with desirable properties.
Joint research between Tampere University of Technology (TUT)(Finland) and University of Tübingen (Germany) has shown that carefully structured light and matching arrangements of metal nanostructures (so - called «plasmonic oligomers») can be combined to alter the properties of the generated light at the nanometer scale.
Not exact matches
Giving steel a layered nanostructure similar to that of bone makes it more resilient to metal fatigue and could lead to safer structures
Previously, Darling and fellow Argonne chemist Jeff Elam had developed a technique called sequential infiltration synthesis, or SIS, which can be used to infuse hard metal oxide atoms within complicated nanostructures.
Researchers have demonstrated a new process for rapidly fabricating complex three - dimensional nanostructures from a variety of materials, including metals.
They did so by reworking the light bulb's metal light emitter into a flat sheet and flanking it on either side with nanostructured mirrors.
«Nanostructured metal coatings let the light through for electronic devices.»
SERS is a surface - sensitive technique that enhances the inelastic scattering of photons by molecules adsorbed on rough metal surfaces or by nanostructures.
As a general technique, the nanotweezers are applicable to a wide range of metal, semiconductor, polymer and dielectric nanostructures with charged or hydrophobic surfaces.
The new alloy, which the team is in the process of patenting, is made of a dense powder of micron - scale grains of aluminum and one or more other metals arranged in a particular nanostructure.
While the plasmon resonances of metals are predetermined in nature, Atwater and his colleagues found that those resonances are capable of being tuned to other wavelengths when the metals are made into tiny nanostructures in the lab.
«One of the interesting phenomena that occurs when you shine light on a metallic nanoparticle or nanostructure is that you can excite some subset of electrons in the metal to a much higher energy level,» said Zheng, who works with LANP Director and study co-author Naomi Halas.
Halas said one way to lower manufacturing costs would be to incorporate high - efficiency light - gathering plasmonic nanostructures with low - cost semiconductors like metal oxides.
To aid in efficiency, scientists have added nanostructured metal - organic heat carriers, or MOHCs, which boost the power generation capacity to near that of a conventional steam cycle.
The researchers are investigating the manipulation of light in plasmonic nanostructures using the dephasing and population dynamics of electron - hole - pairs in metal coated, core - shell semiconductor nanowires.
He has pioneered the use of nanomaterials in energy storage devices and has created numerous breakthrough materials - based solutions that dramatically improve battery capacity and cycle life, including nanostructured silicon anodes, sulfur cathodes, and stable lithium metal anodes.
Catalytically growing graphene (a sheet of carbon just one atom thick) and other 2D materials on polycrystalline metal foils by chemical vapour deposition (CVD) is one of the best ways to fabricate continuous sheets of these nanostructures.
For this latest study of DNA nanostructures, Ren used an electron - beam study technique called cryo - electron microscopy (cryo - EM) to examine frozen DNA - nanogold samples, and used IPET to reconstruct 3 - D images from samples stained with heavy metal salts.
The research team, which consists of graduates and undergraduates in Vanderbilt's interdisciplinary materials science program and department of mechanical engineering, describe this achievement in a paper titled «From the Junkyard to the Power Grid: Ambient Processing of Scrap Metals into Nanostructured Electrodes for Ultrafast Rechargeable Batteries» published online this week in the journal ACS Energy Letters.
«Metal - Organic Framework Derived Hierarchically Porous Nitrogen - Doped Carbon Nanostructures as Novel Electrocatalyst for Oxygen Reduction Reaction.»
His research is focused on the understanding of the fundamentals of the interactions between environmentally harmful compounds (NOx, COx, and SOx) and metal and metal oxide nanostructures.
Zelenay led the use of nonprecious transition metal catalysts in a composite form, taking advantage of the latest developments in nanostructured materials engineering.
He also works on the design of biomedical applications based on the plasmonic properties of well - defined metal nanoparticles and nanostructures.