Sentences with phrase «of oxide materials»

While they demonstrated the process using one particular oxide compound, the researchers say the findings could apply broadly to a variety of oxide materials, and even to other kinds of ions in addition to oxygen, moving in and out of the oxide layer.

Whether the ions are lithium ions, in the case of lithium ion batteries, or oxygen ions, in the case of the oxide materials, their reversible motion causes the material to expand and contract.

That also helped increase the efficiency, and allows the use of a variety of oxide materials.

So Cola, NSF Graduate Research Fellow Erik Anderson and Research Engineer Thomas Bougher replaced the calcium with aluminum and tried a variety of oxide materials on the carbon nanotubes before settling on a bilayer material composed of alumina (Al2O3) and hafnium dioxide (HfO2).

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.

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 single carbon nanotube about two billionths of a meter wide can compete with the best materials of today at detecting ammonia and nitrous oxide, a gas often found in automobile emissions.

The exceptional interest in the new class of oxide superconductors and the importance of these materials are discussed together with the concepts that led to their discovery.

The focus of this investigation is a hybrid material consisting of a thin nickel film on a vanadium oxide substrate; this hybrid material exhibits magnetic properties unlike any other magnetic material.

The work shows that it is possible to use small amounts of additives, such as bismuth oxide, to change the properties of materials.

The hybrid between a simple magnetic material and a transition - metal oxide provides a «window» to understand the metal - to - insulator transition and offers dramatic tunability of magnetic properties.

Based on its structural and chemical compatibility, this new material offers great promise for integration into and enhanced performance of electronics based only on perovskite oxides.

Transparent conductive oxides are a key emerging material in semiconductor technology, offering the unlikely combination of conductivity and transparency over the visual spectrum.

They are often based on metals, and the new example is no exception — it consists of atomically small particles of ruthenium, a metal related to iron, sitting on a material called cerium oxide.

This is an artistic rendering of a carbonized fungal biomass - manganese oxide mineral composite (MycMnOx / C) can be applied as a novel electrochemical material in energy storage devices

Shirley Meng, a professor at UC San Diego's Department of NanoEngineering, added, «This beautiful study combines several complementary tools that probe both the bulk and surface of the NMC layered oxide — one of the most promising cathode materials for high - voltage operation that enables higher energy density in lithium - ion batteries.

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).

The work, supported by the Welch Foundation, will lead to future research, he said, including the question of why cobalt oxide nanoparticles have such a short lifespan, and questions involving chemical and electronic properties of the material.

The researchers discovered that heat - treating graphene oxide and small amounts of cobalt salts in a gaseous environment forced individual cobalt atoms to bind to the material.

«Lead titanate likely would not have been the first choice of most materials scientists because its structure is so dissimilar to nickel oxide,» Isayev said.

The techniques he has explored include fancy ways of growing crystals of semiconductor material — oxides of manganese, cobalt, silicon, and many other elements — that can perform the first critical tasks of photosynthesis: absorbing light and displacing electrons.

A recent article in Nature Materials describes how researchers used X-ray scattering during a process called molecular beam epitaxy (MBE) to observe the behavior of atoms as a type of material known as layered oxides were being formed.

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.»

The discovery of relatively high - temperature oxide superconductors in the late 1980s raised hopes for materials that...

While computer chips are typically made of bulky carbon compounds, scientists at the Center for Sustainable Materials Chemistry at Oregon State University are looking to replace these bulky compounds with metal oxides, which would allow more transistors to fit on a chip.

And what we do is, through kind of a combination, directed evolution and selection, kind of a Darwinian process, we force these viruses or encourage these viruses to work with materials that we are interested in — semiconductor materials and metal oxide materials for electrodes.

Gallium arsenide is but one of a whole class of materials called III - V semiconductors, and this work opens a path to integrate oxide 2DEGs with others.

Peter Gehring, a physicist for the National Institute of Standards and Technology (NIST), researches «smart» materials such as lead - oxide ferroelectric relaxors and highly magnetostrictive compounds.

Nanorod structures aren't new, but the technique used by Lin's lab produces nanorods of uniform sizes — such as barium titanate and iron oxide, which have not yet been demonstrated via wet - chemistry approaches in the literature — and highly - uniform core - shell nanorods made by combining two dissimilar materials.

The first experimental evidence of 3D NEC was discovered using the unique material iridium oxide, which belongs to a class of «correlated» materials in which electrons move in an orchestrated fashion.

And as a basis for gas sensors in particular, carbon nanotubes combine advantages (and avoid shortcomings) of more established materials, such as polymer - based organic electronics and solid - state metal - oxide semiconductors.

Traditional perovskites are typically metal - oxide materials that display a wide range of fascinating electromagnetic properties, including ferroelectricity and piezoelectricity, superconductivity and colossal magnetoresistance.

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).

Semiconducting oxides are a new class of materials that are currently enjoying great attention in the field of semiconductor technology.

Zou's group started with an oxide of indium - tantalum, a material that had been shown to have some photocatalytic activity but was inefficient under visible light because its band gap isn't sufficient.

«Mysteries of a promising spintronic material revealed: Nickel oxide holds promise for spintronic devices.»

Given the simple reaction chemistry of MBE, the researchers are convinced that the effect observed is generally valid and thus applicable to all materials possessing similar properties to those of gallium oxide.

This effect is not only a new discovery; it can also be ported to other materials with similar properties to those of gallium oxide.

When blended correctly, these materials contain the correct proportions of the various oxides.

This figure shows the crystal structure of Sc - doped BaZrO3 to be used as an electrolyte material in intermediate temperature solid oxide fuel cells (IT - SOFCs).

But in crystals of an iron - molybdenum oxide, a team led by Kei - Ichiro Kobayashi at the Joint Research Center for Atom Technology in Tsukuba, Japan, saw a 10 % drop in resistance when they placed the material in a strong magnetic field, considerably more than the one seen in comparable materials.

Japanese researchers have identified an oxide material that may soon greatly improve the storage capacity of hard disks and magnetic tapes.

HP disputes this characterization of titanium oxide, saying there are established protocols for applying it to semiconductor material and that titanium oxide is compatible with current complementary metal - oxide - semiconductor (CMOS) technology used to build integrated circuits.

Not only did the SWCNTs actually facilitate the formation of the iron oxide particles, but they ensured excellent physical and electrical contact between the two materials.

This nickel oxide compound does not superconduct, said John Mitchell, an Argonne Distinguished Fellow and associate director of the laboratory's Materials Science Division, who led the project, which combined crystal growth, X-ray spectroscopy, and computational theory.

They found it to be much better than nanofluids that contain higher amounts of oxide, nitride or carbide ceramics, metals, semiconductors, carbon nanotubes and other composite materials.

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.

But recently, scientists have discovered that radioactive materials in water can clump onto flakes of graphene oxide (GO).

In the copper - oxide material, instead of raising the temperature, the scientists raise the level of doping to «melt» the density waves at a particular «critical point.»

Jonathan Petrie led the epitaxial synthesis of strained oxide materials and catalytic testing, and Tricia Meyer assisted thin film deposition using a technique that employs a high - power excimer laser to vaporize material and deposit it as high - quality thin films under precisely controlled conditions.