Sentences with phrase «oxide materials on»

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

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.

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.

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.

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.

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.

«We will focus on creating a material with an interface between an oxide and a fluoride.

The most prominent of those problems involve bricklayers — who wear down ridges on their prints handling heavy, rough materials frequently — or people who work with lime [calcium oxide], because it's really basic and dissolves the top layers of the skin.

A multi-institution team of scientists led by Texas A&M University chemist Sarbajit Banerjee has discovered an exceptional metal - oxide magnesium battery cathode material, moving researchers one step closer to delivering batteries that promise higher density of energy storage on top of transformative advances in safety, cost and performance in comparison to their ubiquitous lithium - ion (Li - ion) counterparts.

«What we have discovered is that a new family of oxide - based materials can completely change its behavior based on electrical input.»

The fact that the protective aluminum oxide layer is not incorporated on the outside, as often attempted by other researchers, also makes it possible to apply a broad range of materials on both sides of the solar cell and allows the maximum penetration of light in the perovskite layer and thereby the optimum utilization of electrical current.

«We're interested in the radiation damage case in particular, but other applications might include studying low - temperature phase change materials, or real - time monitoring of oxide layer formation on steel alloys,» he said.

«Scientists grow a material based on hafnium oxide for a new type of non-volatile memory.»

Based on ceramic oxides, these materials had the astonishing property of conducting electricity with zero resistance at temperatures that, for the first time, were high enough to hint at practical applications.

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.

Solid oxide fuel cells (SOFCs), based on an oxide ion conducting electrolyte, have several advantages over other types of fuel cells, including relatively inexpensive material costs, low sensitivity to impurities in the fuel, and high overall efficiency.

They showed that the lithium ions form a thin film on the surface of the graphene oxide and then diffuse through defect sites — essentially gaps in the layers of the material — before settling below the bottom layer of the graphene oxide.

The materials the team studied belong to a class known as alkaline - earth - metal binary oxides, whose constituents are «among the most abundant class of materials on Earth,» Yildiz says.»

Understanding these effects is also important for other applications such as splitting water molecules to produce hydrogen at solid - liquid interfaces, electronic devices that rely on oxide - oxide interfaces, or other electrochemical processes using these materials as catalysts, where defects serve as the sites that enable the interactions.

Amid the situation, the NIMS research team discovered that the osmium oxide it synthesized in 2009 exhibits an unusual magnetic transition at about 140 °C, which is higher than room temperature, and had been taking on the challenge of pioneering non-catalytic, industrial functions of the material.

In other research published in the Journal of Hazardous Materials («Investigation of acute effects of graphene oxide on wastewater microbial community: A case study»), investigators determined that the toxicity of GO was dose dependent and was toxic in the range of 50 to 300 mg / L.

The study, featured on the cover of Advanced Electronic Materials, shows that a single crystal complex oxide material, when confined to micro - and nanoscales, can act like a multi-component electrical circuit.

The system relies on oxide materials similar to those used in many of today's rechargeable batteries, in that ions move in and out of the material during charging and discharging cycles.

Pacific Northwest National Laboratory highlight: PNNL Materials Scientists Publish Review Article on STEM Analysis of Oxide Interfaces

A novel nanostructured material based on tantalum oxide could make possible non-volatile crossbar array memories that store up to 162 gigabits in 3 - D memory stacks.

When the researchers looked under the microscope at catalyst material formed with alpha - aluminum oxide, platinum atoms formed balls that tottered around on the surface instead of tidy rafts.

Dr. Ager's research interests include the fundamental electronic and transport characteristics of photovoltaic materials, development of new photoanodes and photocathodes based on abundant elements for solar fuels production, and the development of new oxide - and sulfide - based transparent conductors.

For example, a conductive tip can be used to write patterns on different materials by locally oxidizing or reducing a surface, a method that has been used to create conductive channels in, for example, graphene and oxide interfaces.

Materials Research Society 2000 Fall Meeting Symposium on Structure - Property Relationships of Oxide Surfaces and Internal Interfaces

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.

Dr. Scott Chambers is a Laboratory Fellow and leads a research team focused on the properties of «designer» oxides — materials which combine different metal atoms with oxygen atoms into solid materials.

Although hole trapping impairs the performance of photovoltaic devices, it can improve the ability of zinc oxide to act as a photocatalyst, as positive charges stored in the traps within the material can go on to act as participants in chemical reactions.

Similarly, South Africa has launched a programme for the creation of centres of excellence that is designed to promote new knowledge and develop collaborative research projects on such critical issues as biomedical treatment for tuberculosis; research and development of strong materials (for example, alloys, metal oxides, ceramics and diamonds that retain their distinctive properties under extreme conditions); the impact of invasive species on biodiversity, ecosystems and tourism; and examinations of chemical catalysis, primarily for the conversion of gas to liquid fuels.

Click here for information on the patent of «compacted activated charcoal filter material» (note the words «aluminum oxide» and «aluminum hydroxide»).

Duhirwe Rushemeza, born in Rwanda, uses materials including iron oxide to reflect on the specificity of place in a globally interconnected world.