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Showing 1-30 of 39 results
Innovative Materials for Glass Ionomer Cements (GICs): Dental Applications
Innovation in dental restorative materials is driven by the need for biocompatible and natural-appearing restoration alternatives. Conventional dental materials like amalgam and composite resins have inherent disadvantages.
Nanostructured Olivine-based Cathode Materials for Lithium-ion Batteries
Due to the adverse impact of the continued use of fossil fuels on the earth’s environment and climate, researchers have been asked to develop new approaches for producing power using renewable sources like wind and solar energy
Intermetallic Hydrides With High Dissociation Pressure
Interaction of hydrogen with multi-component intermetallic compounds of AB5- and AB2-type were studied in the current work. Several new intermetallic hydrides with potential applications in high-capacity hydrogen storage have been identified and fully characterized using a gas-volumetric analytical technique.
Working with Reactive, Volatile, Complex Materials to Produce Novel Alloys
Technologies are an integral part of our lives and we rely on them for such things as communication, heating and cooling, transportation, and construction. Improvements to technologies have made what they do for us more precise, automated, efficient, and powerful.
From Form to Function: Molding Porous Materials in Three Dimensions by Colloidal Crystal Templating
From Form to Function: Molding Porous Materials in Three Dimensions by Colloidal Crystal Templating
The Rare Earth Crisis — the Supply/Demand Situation for 2010–2015
The rare earth crisis — the supply/demand situation for 2010–2015
The PCTPro-2000 - The Ultimate Tool for Gas Sorption Analysis
Gas sorption analysis is important in many fields of materials science and consumer product development. Some examples of current hot areas of technology involving gas-solid (or gasliquid) interactions include the development of energy storage materials, improved catalysts for petrochemical processing
Low Resistivity Nanoscale Devices by Templated Electrochemistry
In many technologies, performance requirements drive device dimensions below the scale of electron mean free paths (λe). This trend has increased scientific interest and technological importance of electrical resistivities at the nanoscale.
Responsive Rare-Earth Materials and their Applications
The unique properties of the rare-earth elements and their alloys have brought them from relative obscurity to high profile use in common hightech applications.
Advanced Materials for Magnetic Cooling
Today, near-room-temperature refrigeration is almost entirely based on a vapor-compression refrigeration cycle.
Molecular Layer Deposition of Organic and Hybrid Organic-Inorganic Polymers
Atomic layer deposition (ALD) techniques have emerged in the last ten years to meet various needs including semiconductor device miniaturization, conformal deposition on porous structures and coating of nanoparticles. ALD is based on two sequential self-limiting surface reactions.
Combinatorial Materials Science for Energy Applications
Can there be an effective strategy for finding breakthrough materials, since they are, by definition, unpredictable? One answer is found in Combinatorial Materials Science techniques, which represent a powerful approach to identifying new and unexpected materials.
Materials for Clean H2 Production from Bioethanol Reforming
Hydrogen is one of the most important resources in providing food, fuel, and chemical products for our everyday life. Sustainable catalytic hydrogen production from bioethanol has gained significant attention in recent years due to globally diminishing fossil fuel supplies, which
Chemistry in Flames: From Oxide to Salt and Metal Nanoparticles
Small-scale materials with particle diameters in the nanometer range have already been used for a long time. The Chinese used carbon black, derived from a combustion process for painting applications a long time before modern technology allowed its industrial production.
The Rare Earth Crisis—The Supply/Demand Situation for 2010–2015
The rare earth elements impact nearly everyone in the world. All of the people living in advanced technological countries and almost all those living in third world countries utilize the rare earths in their everyday living—the car that one drives
Soft Magnetic Nanocrystalline Alloys: Materials and Models
Magnetic materials permeate numerous daily activities in our lives. They are essential components of a diversity of products including hard drives that reliably store information on our computers, decorative magnets that keep the shopping list attached to the refrigerator door
Solubility Rules | Solubility of Common Ionic Compounds
Review the solubility rules for common ionic compounds in water and download our solubility rules chart for easy reference. Look up compounds like calcium carbonate, barium sulfate, and sodium sulfate.
Manufacturing, Characterization and Use of Single Walled Carbon Nanotubes
Manufacturing, Characterization and Use of Single Walled Carbon Nanotubes
Biomedical Implant Devices Fabricated from Low Young’s Modulus Titanium Alloys Demonstrating High Mechanical Biocompatibility
Biomedical implants are essentially foreign substances within the human body that must survive many years’ exposure to demanding mechanical and physiological conditions. Despite these challenges, metal implants have been widely used to substitute for or rebuild hard tissues such as
Recent Progress in Spintronic Materials
Spin-based electronic (spintronic) devices offer significant improvement to the limits of conventional charge-based memory and logic devices which suffer from high power usage, leakage current, performance saturation, and device complexity.
Discovery and Single Crystal Growth of Lanthanide Intermetallics—Interplay of Synthesis and Physical Properties
Solid state and materials chemistry have made a tremendous impact and have experienced growth in recent years, particularly for rare earthcontaining materials.
Vistas in Current Magnetic Materials Research
Magnetism and magnetic materials have been of scientific interest for over 1,000 years. More recently, fundamental investigations have focused on exploring the various types of magnetic materials and understanding the magnetic effects created by electric currents.
Molecular Monolayers on Silicon Surfaces
This article briefly reviews the methods and mechanisms for the formation of molecular monolayers on silicon surfaces, the properties of these monolayers and current perspectives regarding their application in molecular electronic and sensing applications.
Self-Propagating Reactions Induced by Mechanical Alloying
An article concerning self-propagating reactions induced by mechanical alloying, presented by Sigma-Aldrich.com.
Synthesis of Melting Gels Using Mono-Substituted and Di-Substituted Alkoxysiloxanes
Hybrid organic-inorganic sol-gel materials containing silica were first called “ORMOSILs” in 1984.
Silicides: Promising Thermoelectric Materials
In recent years, the price of tellurium, a key component in the bestperforming thermoelectric materials, has increased significantly, leading to the question, “Is it economically viable to produce thermoelectric generators on an industrial scale?
Silicides: Promising Thermoelectric Materials
The price of tellurium, a key component in many thermoelectric materials, has risen in recent years, leading to the search for more cost-effective substitutes. This article presents silicide materials as a cheaper potential alternative.
Sol-Gel Science for Ceramic Materials
Research involving reactive silicone chemistry has focused on the production of pure silicon and hybrid materials, hydrosilylation, ring-opening and atom transfer polymerizations, polymerizations with controlled stereochemistry, and condensation reactions.
Molybdenum Disulfide: Understanding Hydrogen Evolution Catalysis
The production of hydrogen by catalytic water splitting is important for a wide range of industries including renewable energy petroleum refining and for the production of methanol and ammonia in the chemical industry.
Magnetic Properties of Materials
Tutorial on the properties of magnetic materials.
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