Disappearing stripes linked with free electron movement: Scientists used a precision microscope to simultaneously explore electrons» arrangements and movements as charge carriers called holes were added to transform a copper -
oxide material from an insulator to a superconductor.
Not exact matches
Quarantine (import): An importer is required to either treat (eg methyl bromide or ethylene
oxide), re-export or destroy an imported commercial consignment of goods made
from natural forest
materials, such as bamboo, which has not been treated off - shore and / or is not accompanied by an acceptable treatment certificate.
The silicon
oxide (SiOx) barrier coating is a glass - like
material which seals the container
from the inside to protect the contents
from oxidation.
BSensible's bedding is made
from eco-friendly Tencel which is a natural waterproof
material, and they state that it is infused with zinc
oxide to soften and protect skin.
By employing state - of - art
materials design methods, Dr. Binghai Yan and his collaborators
from the Max Planck Institute for Chemical Physics of Solids and Johannes Gutenberg University Mainz in Germany have recently predicted that the
oxide compound BaBiO3 combines two required properties, i.e., topological insulator and superconductivity.
A composite thin film made of two different inorganic
oxide materials significantly improves the performance of solar cells, as recently demonstrated by a joint team of researchers led by Professor Federico Rosei at the Institut national de la recherche scientifique (INRS), and Dr. Riad Nechache
from École de technologie supérieure (ÉTS), both in the Montreal Area (Canada).
And it shows that simple
oxide materials like alumina can trigger carbon - carbon bond formation
from methanol derivatives, thus opening new avenues for the upgrading of methanol into long chain hydrocarbons.»
Reactor No. 3 at the Fukushima Daiichi station runs on so - called mixed
oxide (MOX) fuel, in which uranium is mixed with other fissile
materials such as plutonium
from spent reactor fuel or
from decommissioned nuclear weapons.
They plan to draw
from the full suite of available 2D layered
materials, including graphene, boron nitride, transition metal dichalcogenides (TMDCs), transition metal
oxides (TMOs), and topological insulators (TIs).
Iron atoms travel to the surface
from within the
material, and right next to the platinum nanoparticle, an additional iron -
oxide island is created.
High - energy
materials, such as metal
oxides and silicon anodes, have massive volume changes when lithium ions are injected and extracted
from the electrode
material.
According to the team, this simple synthetic process not only enables them to synthesize hierachially assembled
materials from inexpensive metal
oxides at a larger scale, but also can likely be extended to other metal
oxides as well.
As such, this new synthetic route to
oxide nanoparticles also shows great promise for a multitude of other catalytic, electrical, magnetic, or electrochemical processes,
from novel cathodes to solution preparation of other types of ceramic
materials.
Scientists at the U.S. Naval Research Laboratory (NRL)
Materials Science and Technology Division have developed a novel one - step process using, for the first time in these types of syntheses, potassium superoxide (KO2) to rapidly form
oxide nanoparticles
from simple salt solutions in water.
Titanium
oxide is a particularly interesting
material used in many areas —
from the coating for artificial hip joints to self - cleaning, dirt - repellent mirrors.
Many touch screens are made of layered thin (billionths of a meter thick) films of indium - tin
oxide, an inorganic
material that is electrically conductive, which allows electrical signals to travel
from the «touch» to the edges of the display, where they are sensed by the device — as well as optically transparent.
Instead of fully eliminating the aberrations in the electron microscope, the researchers purposely added a type of aberration, called four-fold astigmatism, to collect atomic level magnetic signals
from a lanthanum manganese arsenic
oxide material.
Researchers
from North Carolina State University have solved a long - standing
materials science problem, making it possible to create new semiconductor devices using zinc
oxide (ZnO)-- including efficient ultraviolet (UV) lasers and LED devices for use in sensors and drinking water treatment, as well as new ferromagnetic devices.
Working with a
material formed
from a thick layer of one
oxide — strontium titanate — and a thin layer of a second
material — lanthanum aluminate — these researchers have found that the interface between these
materials can exhibit magnetic behavior that is stable at room temperature.
The team of researchers
from MIPT's Laboratory of Functional
Materials and Devices for Nanoelectronics, with the participation of their colleagues
from the University of Nebraska (USA) and the University of Lausanne (Switzerland), have for the first time experimentally demonstrated that polycrystalline alloyed films of hafnium and zirconium
oxides with a thickness of just 2.5 nm (see image below) retain their ferroelectric properties.
Graphene
oxide is a common intermediate for graphene and graphene - derived
materials made
from graphite, which is a crystalline form of carbon.
In a new study published in EPJ Plus, Stefan Frunza
from the National Institute of
Materials Physics in Romania and colleagues have discovered the properties of the surface layer in probe molecules on the surface of
oxide particles.
In the journal Optical
Materials Express,
from The Optical Society (OSA), the researchers reported that graphene
oxide sheets treated with brief exposure to bright light in the form of a camera flash exhibited reversible bending at angles
from zero to 85 degrees in response to switching the relative humidity between 33 and 86 percent.
The team used the key properties of zinc
oxide, a
material that when squashed or stretched creates a voltage by converting energy
from motion into electrical energy, in the form of nanorods.
However, TiO2 is far
from ideal and zinc
oxide (ZnO) should actually be more suitable as an electrode
material.
For example, by removing some of the oxygen
from graphene
oxide, the electrically insulating
material can be rendered conductive, opening up prospects for use in flexible electronics, sensors, solar cells and biomedical devices.
This behavior stems
from an unusual feature of certain complex
oxides called phase separation, in which tiny regions in the
material exhibit vastly different electronic and magnetic properties.
The correlated behavior of itinerant electrons in these
materials sets complex
oxides apart
from traditional semiconductors such as Si and GaAs.
The project was conceived by researchers
from MIT's Plasma Science and Fusion Center (PSFC), and aims within three years to develop superconducting electromagnets
from a newly available
material - a steel tape coated with an yttrium - barium - copper
oxide compound.
In making the
material, the researchers found the tantalum
oxide gradually loses oxygen ions, changing
from an oxygen - rich, nanoporous semiconductor at the top to oxygen - poor at the bottom.
An international team led by scientists
from the Department of Energy's SLAC National Accelerator Laboratory and Stanford University has detected new features in the electronic behavior of a copper
oxide material that may...
Graphene - based
materials, prepared
from the exfoliation of graphite
oxide, are used as a model of interstellar carbon dust as they contain a relatively large amount of atomic defects, either at their edges or on their surface.
Be sure to choose non-nano zinc
oxide to avoid health complications that can arise
from manipulation of
materials at the microscopic level.
The color of the clay originates
from the measure of iron -
oxide and disintegrated plant
material.
Particularly striking,
Oxide Red leather can be specified, as well as «Lava» carpets, made
from 100 % recycled
materials and adding more than just a splash of colour to the svelte Swede's interior.
From my direct IR measurement experiences,
materials with nitrides (N, N2, etc) and
oxides (O, O2, etc) in their surface composition have very high emissivity, closer to blackbodies.
The wallpaper is made
from fire - resistant
materials like graphene
oxide and hydroxyapatite nanowires.