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7632480 Thermal expansion inhibitor, zero thermal expansion material, negative thermal expansion material, method for inhibiting thermal expansion, and method for producing thermal expansion inhibitor  
Provided is a thermal expansion inhibitor which has a much broader application range and which can be used with ease. Used is a thermal expansion inhibitor comprising a manganese nitride crystal.
7575631 Fabrication method of gallium manganese nitride single crystal nanowire  
The present invention relates to a fabrication method of gallium manganese nitride (GaMnN) single crystal nanowire, more particularly to a fabrication method of GaMnN single crystal nanowire...
7508003 Production of a GaN bulk crystal substrate and a semiconductor device formed thereon  
A crystal has a diameter of 1 cm or more and shows a strongest peak in cathode luminescent spectrum at a wavelength of 360 nm in correspondence to a band edge.
7413721 Method for forming ammonia  
A method for forming ammonia is disclosed and which includes the steps of forming a plasma; providing a source of metal particles, and supplying the metal particles to the plasma to form metal...
7381391 Method of making Group III nitrides  
The present invention provides compositions and a novel high-yielding process for preparing high purity Group III nitrides. The process involves heating a Group III metal and a catalytic amount of...
7273904 Nanocrystals in ligand boxes exhibiting enhanced chemical, photochemical, and thermal stability, and methods of making the same  
Dendron ligands or other branched ligands with cross-linkable groups were coordinated to colloidal inorganic nanoparticles, including nanocrystals, and substantially globally cross-linked through...
7255844 Systems and methods for synthesis of gallium nitride powders  
A method of producing high quality GaN powder by combining high purity gallium and high purity ammonia in a tube reactor under controlled conditions. A reaction between the ammonia and gallium...
7250146 Method for producing a reversible hydrogen storage medium with high storage capacity and ultrafast kinetics  
A method is provided for the preparation of a hydrogen storage medium having a high hydrogen storage capacity, high reversibility and fast reaction time. A high storage capacity Li 3 N-containing...
7141228 Method for calcium nitride synthesis  
The invention concerns a method for calcium nitride synthesis which consists in spraying in form of droplets, by means of a sprayer, a molten zinc-calcium alloy into a reactor containing nitrogen...
7138098 Preparation of nanocrystallites  
A method of manufacturing a nanocrystallite from a M-containing salt forms a nanocrystallite. The nanocrystallite can be a member of a population of nanocrystallites having a narrow size...
7022303 Single-crystal-like materials  
Polycrystalline materials of macroscopic size exhibiting Single-Crystal-Like properties are formed from a plurality of Single-Crystal Particles, having Self-Aligning morphologies and optionally...
6977097 Particle forming methods  
A particle forming method includes feeding a first set of precursors to a first energy application zone. Energy is applied to the first set of precursors in the first energy application zone...
6872375 Synthesis of hexammine cobaltic salts  
The invention provides an effective and efficient method of making a hexammine cobaltic salt, such as hexammine cobaltic nitrate, in a consistent fashion through the control of one or more selected...
6861038 Ceramics and method of producing ceramics  
A method of continuously producing a non-oxide ceramic formed of a metal constituent and a non-metal constituent. A salt of the metal constituent and a compound of the non-metal constituent and a...
6861130 Sintered polycrystalline gallium nitride and its production  
Polycrystalline gallium nitride (GaN) characterized by having the atomic fraction of gallium ranging from between about 49% to 55%, an apparent density of between about 5.5 and 6.1 g/cm 3 , and a...
6831188 Dihydrocarbylamino metal compounds  
This invention provides a process of preparing dihydrocarbylamido metal compounds. This process comprises bringing together, in a liquid reaction medium, at least one metal halide, MX 4 , where M...
6824921 Negative electrode material for non-aqueous electrolyte secondary battery and method for producing the same  
A method for producing a negative electrode material for a non-aqueous electrolyte secondary battery is disclosed: which includes a step of applying a shearing force to an intermetallic compound...
6767525 Method for preparing manganese-based nitride having nearly zero temperature coefficient of resistivity  
The present invention relates to a method for preparing manganese-based nitride having nearly zero temperature coefficient of resistivity and more particularly, to the effective method for...
6656615 Bulk monocrystalline gallium nitride  
The present invention refers to an ammonobasic method for preparing a gallium-containing nitride crystal, in which gallium-containing feedstock is crystallized on at least one crystallization seed...
6541111 Process for producing boron nitride  
The present invention provides a polycrystalline hexagonal boron nitride compound comprising fine crystals of the order of nanometers. The present invention also provides a hexagonal boron nitride...
6454828 Method of producing zinc diammine chloride and uses for same  
A method for producing zinc diammine chloride (ZDC) from a solution of zinc ammine sulfate and zinc ammine chloride by precipitating the ZDC by pH neutralization using hydrochloric acid. ZDC can be...
6406677 Methods for low and ambient temperature preparation of precursors of compounds of group III metals and group V elements  
Processes are provided for preparation of precursors of Group III-V compounds, i.e., nitrides, phosphides, arsenides, antimonides and bismuthides of boron, aluminum, gallium and indium. The...
6379449 Process for the production of yellow to red pigments based on nitrides and oxidenitrides  
Nitride or oxidenitride based red to yellow pigments, such as tantalum(V) nitride and oxidenitrides containing tantalum may be produced by passing ammonia over nitridable metal compounds, in...
6319485 Magnetic material and production method thereof  
A magnetic material made up of an assembly of particles substantially consisting of an α"-Fe 16 N 2 crystal having a body-centered tetragonal system (bct). The magnetic material has a high...
6294009 Tantalum (V) nitride pigment, process for producing it and its use  
The invention relates to tantalum (V) nitride pigments with improved color values compared with predisclosed products, a process for producing such pigments and their use. According to the...
6254928 Laser pyrolysis particle forming method and particle forming method  
The invention comprises particle forming methods, laser pyrolysis particle forming methods, chemical mechanical polishing slurries, and chemical mechanical polishing processes. In but one preferred...
6235103 Tantalum (V) nitride pigments, process for the production thereof and use thereof  
Tantalum(V) oxide may be nitrided with ammonia at 700 to 1250° C. to yield tantalum(V) nitride. According to the invention, nitriding and consequently pigment quality are improved by adding at...
6207844 Compounds and methods for depositing pure thin films of gallium nitride semiconductor  
The invention is directed to novel compounds which serve as single-source precursors for the deposition of gallium nitride on thin films. The invention is also directed to methods for the synthesis...
6197272 Method for manufacturing transition metal carbides and/or transition metal carbonitrides and use thereof together with novel transition metal xerogels  
The present invention relates to a method for manufacturing transition metal carbides and/or transition metal carbonitrides and the use thereof together with novel transition metal xerogels.
6177057 Process for preparing bulk cubic gallium nitride  
Bulk cubic gallium nitride is made by charging into a reaction vessel to a fill of 25-95% having a temperature difference between its ends of at least 1° C. a gallium precursor, sufficient amount...
6168694 Methods for and products of processing nanostructure nitride, carbonitride and oxycarbonitride electrode power materials by utilizing sol gel technology for supercapacitor applications  
Metal nitride, carbonitride, and oxycarbonitride powder with high surface area (up to 150 m 2 /g) is prepared by using sol-gel process. The metal organic precursor, alkoxides or amides, is...
6159436 Conversion process for strontium sulfate in carbonate rich celestite ores to strontium carbonate using sodium carbonate in an air/vapor-lift loop reactor  
This invention relates to a low energy hydrometallurgical process for the production of strontium carbonate of chemical and glass grade from carbonate rich celestite ores typically having around...
6120748 Process for rapid solid-state formation of refractory nitrides  
A process for forming high quality crystalline refractory materials, particularly gallium (Ill) nitride (GaN), from solid precursors. By blending dry reactants in an oxygen and moisture free...
6096282 Instantaneous synthesis of refractory nitrides from solid precursors  
A process for forming high quality crystalline refractory materials, particularly gallium (III) nitride (GaN), from solid precursors. By blending dry reactants, including NH 4 Cl, in an oxygen and...
5976412 Fluorescent material  
A fluorescent material is described which remains uninfluenced in the presence of oxygen during fabrication, allows a highly efficient light emission due to the concentration of donors being...
5876682 Nanostructured ceramic nitride powders and a method of making the same  
Near net-shapeable nanostructured ceramic nitride powder and a process for producing the same by nitriding molecular precursor powder in a nitrogen containing atmosphere, e.g., in ammonia, to form...
5851507 Integrated thermal process for the continuous synthesis of nanoscale powders  
A continuous process that produces nanoscale powders from different types of precursor material by evaporating the material and quenching the vaporized phase in a converging-diverging expansion...
5665326 Method for synthesizing titanium nitride whiskers  
A method for making titanium nitride whiskers comprising reacting titanium in the presence of nitrogen in a direct nitridation reaction, concurrently reacting titania in the presence of nitrogen in...
5612013 Method for synthesis of borazine  
A method for synthesizing borazine in high yields by the reaction of certain ammonium salts, such as ammonium sulfate, and a borohydride, such as sodium borohydride, in solvent at moderate...
5472477 Process for the preparation of finely divided metal and ceramic powders  
The present invention relates to a process for the preparation of finely divided metal and/or ceramic powders by reacting appropriate metal compounds and appropriate reagents in the gas phase (CVR)...
5453407 Method for producing nitride ceramic powders  
A method for producing nitride ceramic powders includes steps of a) providing a powder, b) providing a nitride, c) providing a salt of ammonium halide, d) mixing the powder, the nitride, and the...
5399339 Process for the preparation of nitride complexes of transition metals  
Process for the preparation of nitride complexes of transition metals for use as radiopharmaceutical products or for the synthesis of novel pharmaceutical products. The process consists in reacting...
5395606 Metal nitride powders  
A metal nitride powder can be made by heating a reactant powder that includes an oxide or hydroxide of Al, Ti, or Zr to a reaction temperature in a nonreactive atmosphere. The heated reactant...
5376349 Method of producing tantalum (V) nitride  
An improved method for producing tantalum (V) nitride by means of nitriding an oxidic tantalum (V) compound is described. The Ta 3 N 5 product obtained in accordance with this method may be used...
5330554 Method for producing iron-nitride powders  
A method for producing iron-nitride powder comprises the steps of introducing iron powder and NH 3 gas or N 2 gas in a vessel, and milling the iron powder in the NH 3 gas or the N 2 gas....
5284639 Method for the preparation of niobium nitride  
A method is disclosed for preparing and recovering metal nitrides from their ferrometal alloys and nickel metal alloys. Exemplary steps of the process involve niobium nitride prepared from...
5256608 High hardness, wear resistant materials  
A powdered admixture of a boron, carbon, nitrogen or silicon derivative of a first metal is combined with a source of a second metal and, optionally, a source of a third metal or an iron-group...
5250158 Method for producing vanadium electrolytic solution  
A vanadium electrolytic solution containing highly concentrated and dissolved vanadium is produced by a method wherein a vanadium compound selected from the group consisting of ammonium...
5211921 Process of making niobium oxide  
A process for making metal oxides including niobium or tantalum oxides from ferro and nickel alloys containing these metals involving the multiple steps of hydriding the ferro or nickel alloy...
5194128 Method for manufacturing ultrafine particles  
A method for the manufacture of ultrafine particles or atom clusters is disclosed. The ultrafine particles of size between about 10 to 1000 Angstroms are formed by the disruption of the crystal...
Matches 1 - 50 out of 139 1 2 3 >