Team leader Jason Fowlkes, a research staff member at ORNL's Center for Nanophase Materials Sciences, a DOE Office of Science User Facility, said the new system integrates design and construction into one streamlined process that creates complex 3 -
D nanostructures.
While slower than other nanofabrication methods available in the clean room at CNMS, the FEBID process is the only one that can produce high - fidelity 3 -
D nanostructures, Fowlkes said.
The fabrication process has relatively low costs and holds promise for a variety of 3 -
D nanostructures, the researchers write in the current issue of the journal Nature.
«New technique allows low - cost creation of 3 -
D nanostructures.»
The researchers have also shown that they can get the nanospheres to self - assemble in a regularly - spaced array, which in turn can be used to create a uniform pattern of 3 -
D nanostructures.
-- «such nanostructures deteriorate and it is impossible to alter the emission spectrum by
having a nanostructure directly on the surface of the emitter.»
Not exact matches
We
have an active culture of «
nanostructured self - replicators» running loose over the planet, and funny thing, that hasn't started stripping the planet's crust (it does nibble here and there).
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.
If scientists «start too early to specialize in biomaterials, there is a risk that they...
would know all the possible applications but they will maybe not
have the basis to be able to develop new ideas or new systems,» says Christine Dupont - Gillain, who leads the
Nanostructured Surfaces for Cell Engineering group at the Institute of Condensed Matter and Nanosciences of the Université Catholique de Louvain in Belgium.
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.
Now investigators at the University of Dortmund in Germany
have figured out how to unlink them under normal physiological conditions, potentially offering a controllable way to construct complicated
nanostructures or devices that interact with the body.
Researchers at Northwestern University and the University of Illinois at Urbana - Champaign
have developed a simple new fabrication technique to create beautiful and complex 3 -
D micro - and
nanostructures with many advantages over 3 -
D printing.
Researchers
have demonstrated a new process for rapidly fabricating complex three - dimensional
nanostructures from a variety of materials, including metals.
A physicist by training whose work on the optical properties of semiconductors yielded a Masters degree, a Ph.D., and a 3 - year postdoc, Emiliani
has moved from optical spectroscopy to microscopy and from semiconductors to semiconductor
nanostructures and, eventually, to biological systems.
Proteins that can build silica
nanostructures on our behalf
have been «evolved» in the lab.
Until now, heat transport in
nanostructured materials
has largely been controlled by introduction of atomic - scale impurities, interfaces, surfaces and nanoparticles that reduce heat flow by scattering the phonons diffusely.
But evolution
has worked on much smaller scales too, producing finely honed
nanostructures — parts less than a millionth of a meter across, or smaller than 1 / 20th of the width of a human hair — that help animals climb, slither, camouflage, flirt, and thrive.
A
nanostructured composite material developed at UC Santa Cruz
has shown impressive performance as a catalyst for the electrochemical splitting of water to produce hydrogen.
Inner layers
have less osteopontin, leading to bigger
nanostructures.
Researchers under the direction of KIT
have now demonstrated that carbon nanotubes are suited for use as on - chip light source for tomorrow's information technology, when
nanostructured waveguides are applied to obtain the desired light properties.
In this instance, researchers
have been able to use new imaging techniques to measure the atomic
nanostructure of ancient crystals at impact locations, using the 150 - kilometre - wide crater at Sudbury as a test site.
By the integration of smallest carbon nanotubes into a
nanostructured waveguide, they
have developed a compact miniaturized switching element that converts electric signals into clearly defined optical signals.
Wachsman and his research colleagues
have also published details in Science on a potential path toward SOFCs that operate at temperatures as low as 350 degrees C with a new design that features high - conductivity electrolytes and a specially
nanostructured electrode.
By adding semiconducting nanoparticles to polymers, the Materials + Technologies Research Group (GMT) of the Polytechnical College of San Sebastian of the UPV / EHU - University of the Basque Country
has created
nanostructured composite materials with specific optical and electrical properties that vary according to size.
«This should help us to create new engineered
nanostructures, such as bonded networks of atoms that
have a particular shape and structure for use in electronic devices.
The group also
has developed universal design rules — that is, those that are applicable to a number of different types of surfaces and polymers — to understand key factors that link surface characteristics to
nanostructure formation.
Cary Baur, a doctoral student in Voit's lab,
has figured out a way to incorporate organic
nanostructures known as «buckyballs» and single - walled carbon nanotubes into PVDF fibers to double its piezoelectric performance.
Due to this unique control over matter on the nanometer - scale, DNA
nanostructures have also been considered for applications in molecular biology and nanomedicine.
«With this
nanostructured electrolyte, we
have created materials with good mechanical strength and good ionic conductivity at room temperature.»
Researchers at the Georgia Institute of Technology
have now shown that they can assemble DNA
nanostructures in a solvent containing no water.
The researchers
have coated DNA
nanostructures with virus capsid proteins in order to significantly improve their transport to human cells; this could find uses for example in enhanced drug delivery.
Using their computer models as a guide, the researchers found a variant of polyethylene commonly used in battery making that
has a specific
nanostructure that is opaque to visible light yet is transparent to infrared radiation, which could let body heat escape.
Over the last decade, applied physicists
have developed
nanostructured materials that can produce completely new states of light exhibiting strange behavior, such as bending in a spiral, corkscrewing and dividing like a fork.
«With this work, we
have shown that DNA
nanostructures can be assembled in a water - free solvent, and that we can mix water with the same solvent to speed up the assembly.
«Wrinkles give heat a jolt in pillared graphene: 3 -
D carbon
nanostructures» thermal transport abilities.»
Nanostructured materials
have shown extraordinary promise for electrochemical energy storage, but these materials are usually limited to laboratory cells with ultrathin electrodes and very low mass loadings.
Now, researchers led by Xiaoyu «Rayne» Zheng, an assistant professor of mechanical engineering at Virginia Tech
have published a study in the journal Nature Materials that describes a new process to create lightweight, strong and super elastic 3 -
D printed metallic
nanostructured materials with unprecedented scalability, a full seven orders of magnitude control of arbitrary 3 -
D architectures.
Today, gold
nanostructures have found a role in a wide variety of applications, including bio-imaging, drug delivery, toxic gas detection and biosensors.
This approach
has several advantages over the metallic
nanostructures previously used, as the synthetic procedures are more efficient, the components are smaller and their structures can be varied at will.
The Stanford team
has succeeded where others
have come up short by turning to
nanostructured photonic materials.
The ability to design new protein
nanostructures could
have useful implications in targeted delivery of drugs, in vaccine development and in plasmonics — manipulating electromagnetic signals to guide light diffraction for information technologies, energy production or other uses.
The insects owe their brilliant looks to photonic
nanostructures — crystalline structures in their wings that reflect light and repeat on the order of every few nanometers — and now scientists think that they
have figured out how these structures create such vivid colors.
A lack of inexpensive and simple methods to produce germanium
nanostructures has so far limited their use in battery electrode applications.
Graphene
nanostructures can form the transistors, logic gates, and other elements of exquisitely tiny electronic devices, but to become practical they will
have to be mass produced with atomic precision.
Researchers at the University of Illinois at Urbana - Champaign
have developed a unique process for geometrically transforming two dimensional (2D) micro /
nanostructures into extended 3D layouts by exploiting mechanics principles similar to those found in children's «pop - up» books.
For the first time, researchers
have revealed the
nanostructure of the mesoporous magnesium carbonate Upsalite ® and pore size control was achieved without organic templates or swelling agents.
Although traditional nanofabrication techniques rely on a hard substrate — usually glass or a silicon wafer — Shih said researchers wanted a flexible
nanostructure, which
would be more suited to wearable electronics.
To fill this gap, Bharathi Srinivasan and co-workers from the A * STAR Institute of High Performance Computing
have developed a computational approach that sheds light on the self - assembly of these
nanostructures on multi-sided, or polygonal, nanowires.
Many foods
have a natural
nanostructure — the proteins in milk form nanoscale clusters, for example — that can be altered on the nanoscale to enhance their properties.
Photonic crystals are periodically arranged
nanostructures which
have the ability to reflect, guide and confine light.