Abstract: The present invention makes clear and defines a congruent composition of a langasite-based oxide, and establishes a method of manufacturing a crystal by any desired composition of AE3ME1+a(Ga1?xAlx)3+bSi2+cO14 (AE is an alkaline-earth metal, ME is Nb or Ta, 0?x?1, ?0.5<a?0 or 0<a<0.5, ?0.5<b?0 or 0<b?0.5, and ?0.5<c?0 or 0<c<0.5, excluding a=b=c=0). This makes it possible to suppress the formation of an impurity, and improve the yield and crystal manufacturing rate. The raw material is a raw material mixture prepared by mixing an alkaline-earth metal or its carbonate or oxide, Nb or Ta or its oxide, Ga or its oxide, Al or its oxide, and Si or its oxide.

Abstract: The general inventive concepts relate to unbonded loose-fill fiberglass compositions useful for insulation. The compositions demonstrate high hydrolytic stability. In certain instances, this is accomplished by application of a surface modifier. In certain embodiments, the modifying agent is prepared by dilution and hydrolysis of a silane at a high solid content (i.e., hydrolysis at 25% to 60% solid).

Abstract: Coated iron oxide (10) nanocrystal structures, superparamagnetic 10 nanoparticles, methods for synthesizing coated 10 nanocrystal structures, and methods for synthesizing superparamagnetic 10 nanoparticles are described herein. A coated 10 nanocrystal structure may comprise an iron oxide core, a manganese ferrite shell layer surrounding the core, and a bilayer coating surrounding the shell layer. The bilayer coating may include an inner oleic acid layer surrounding the shell layer and an outer layer surrounding the inner oleic acid layer.

Abstract: Provided are a method of producing a thiogallate-based fluorescent material, a method of producing a light-emitting device, a thiogallate-based fluorescent material, and a light-emitting device. The method of producing a thiogallate-based fluorescent material includes preparing a first solution containing at least one M1 ion selected from the group consisting of Sr, Be, Mg, Ca, Ba and Zn, and at least one M2 ion selected from the group consisting of Eu and Ce, and a second solution containing a sulfite ion, simultaneously supplying the first solution and the second solution to a reactor to obtain a powder containing a sulfite that contains an element M1 and an element M2, mixing a raw material that contains the powder containing the sulfite that contains the element M1 and the element M2 and a powder containing a gallium compound, with lithium chloride to obtain a mixture, and heat-treating the mixture to obtain a thiogallate-based fluorescent material.

Abstract: A method of producing a thiogallate-based fluorescent material having a large particle diameter and an enhanced luminance, and a sulfite for a thiogallate-based fluorescent material are provided. The method of producing a thiogallate-based fluorescent material includes preparing a first solution containing at least one element M1 selected from the group consisting of strontium, beryllium, magnesium, calcium, barium and zinc, and at least one element M2 selected from the group consisting of europium and cerium, and a second solution containing a sulfite; simultaneously supplying the first solution and the second solution to a reaction vessel and causing a reaction in a reaction system to obtain a powder of a sulfite containing M1 and M2; and obtaining the thiogallate-based fluorescent material from the resulting powder of a sulfite containing M1 and M2.

Abstract: The invention relates to an aqueous composition comprising a suspension of ZnO particles and a polymer stabiliser containing carboxylic acid functions and carboxylic acid salt functions.

Abstract: A system includes a feeder configured to feed a continuous length of a tube at a predefined rate, a speed sensor configured to determine a feed rate of the continuous length of the tube, a first geometry sensor configured to determine one or more geometric dimensions of a portion of the continuous length of the tube, a first treatment station comprising a first entrance, a first exit, and a first heat treatment zone therebetween, the first heat treatment zone comprising at least one first zone heating element, and a controller configured to power the first zone heating element at a first heat treatment power level based on a first heat treatment target value, the feed rate, one or more of the geometric dimensions, and a first heating element value of the first zone heating element. The system may also include additional heat treatment and cooling stations.

Abstract: The present disclosure relates to a method of synthesizing composites for removing heavy metals, including: preparing hollow hydroxyapatite particles including a functional group; preparing a composite in which magnetic oxide nanoparticles are combined on the hollow hydroxyapatite; and preparing a composite of hollow hydroxyapatite and metal particles by performing reduction annealing to the composite.

Abstract: Provided are a transparent fluorescent sialon ceramic having fluorescence and optical transparency; and a method of producing the same. Such a transparent fluorescent sialon ceramic includes a sialon phosphor which contains a matrix formed of a silicon nitride compound represented by the formula Mx(Si,Al)y(N,O)z (here, M represents at least one selected from the group consisting of Li, alkaline earth metals, and rare earth metals, 0?x/z<3, and 0<y/z<1) and a luminescent center element.

Abstract: A magnetic compound having a small dielectric loss and an antenna constituted by the magnetic compound and an electronic device incorporating the antenna are provided by a metal magnetic powder which is well dispersed in a resin having small dielectric loss, and a magnetic powder composite including: a metal magnetic powder; and one or more elements selected from carboxylic acid or its anhydride, aromatic carboxylic acid ester, and a derivative thereof, having a property that real part ?? permeability is 1.45 or more, tan ?? is 0.1 or less, tan ?? is 0.05 or less at a measuring frequency of 2 GHz, when a magnetic powder composite is prepared by adding 5 parts by mass of one or more elements selected from the carboxylic acid or its anhydride, the aromatic carboxylic acid ester, and the derivative thereof to 100 parts by mass of the metal magnetic powder.

Abstract: A surface-modified iron-based oxide magnetic particle powder has good solid-liquid separation property in the production process, has good dispersibility in a coating material for forming a coating-type magnetic recording medium, has good orientation property, and has a small elution amount of a water-soluble alkali metal, and to provide a method for producing the surface-modified iron-based oxide magnetic particle powder. The surface-modified iron-based oxide magnetic particle powder can be obtained by neutralizing a solution containing dissolved therein a trivalent iron ion and an ion of the metal, by which the part of Fe sites is to be substituted, with an alkali aqueous solution, so as to provide a precursor, coating a silicon oxide on the precursor, heating the precursor to provide e-type iron-based oxide magnetic powder, and adhering a hydroxide or a hydrous oxide of one kind or two kinds of Al and Y thereto.

Abstract: Provided herein are organic-inorganic hybrid-perovskites, including metal halide perovskites having a 1D crystal structure. The metal halide perovskites may be luminescent. The metal halide perovskites may include a dopant, including an emitter dopant. Methods of forming metal halide perovskites, and devices including the metal halide perovskites also are provided.

Abstract: Provided are a transparent fluorescent sialon ceramic having fluorescence and optical transparency; and a method of producing the same. Such a transparent fluorescent sialon ceramic includes a sialon phosphor which contains a matrix formed of a silicon nitride compound represented by the formula Mx(Si,Al)y(N,O)z (here, M represents at least one selected from the group consisting of Li, alkaline earth metals, and rare earth metals, 0?x/z<3, and 0<y/z<1) and a luminescent center element.

Abstract: A process for preparing a population of coated phosphor particles is presented. The process includes combining particles of a phosphor of formula I: Ax [MFy]:Mn4+ with a first solution including a compound of formula II: Ax[MFy] to form a suspension, where A is Li, Na, K, Rb, Cs, or a combination thereof; M is Si, Ge, Sn, Ti, Zr, Al, Ga, In, Sc, Hf, Y, La, Nb, Ta, Bi, Gd, or a combination thereof; x is an absolute value of a charge of the [MFy] ion; and y is 5, 6 or 7. The process further includes combining a second solution including a source A+ ions with the suspension.

Abstract: An object is to provide a magnetic compound excellent in high frequency properties and excellent in mechanical strength, and its related items, using the polyarylene sulfide resin, and to provide a technique regarding the magnetic compound having a metal magnetic powder and a polyarylene sulfide resin, and satisfying both mechanical strength and high frequency properties.

Abstract: According to one embodiment, a multi-layer magnetic nanoparticle includes a core; a first magnetic layer deposited on a surface of the core; a second magnetic layer deposited on a surface of the first magnetic layer, and a third magnetic layer deposited on a surface of the second magnetic layer. The core, the first magnetic layer, the second magnetic layer, and the third magnetic layer comprise different magnetic anisotropies and/or saturation magnetizations with respect to each other.

Abstract: Provided is a method for manufacturing a carbonaceous luminescent material in which a polycarboxylic-acid-containing starting material, an acid catalyst, and a solvent are mixed together and heated.

Abstract: Embodiments of the invention include a wavelength-converting composition as defined by R3-x-y-zAx+yMzSi6-w1Alw1O3x+y+w1N11-7x/3-y-w1?2-2x/3, with ? being vacancies of the structure that are filled by oxygen atoms with 0<x?3, ?3?y<3, 0<z<1,0?w1?6, 0?x+y, x+y+z?3, 11?7/3x?y?w1?0, and 3x+y+w1?13. R is selected from the group comprising trivalent La, Gd, Tb, Y, Lu; A is selected from the group comprising bivalent Ca, Mg, Sr, Ba, and Eu; and M is selected from the group comprising trivalent Ce, Pr and Sm.

Abstract: The present invention provides a method for producing a fluoride fluorescent material, comprising: contacting a fluoride particles represented by the following general formula (I): K2[M1?aMn4+aF6]??(I) wherein M is at least one member selected from the group consisting of elements belonging to Groups 4 and 14 of the Periodic Table, and a satisfies the relationship: 0<a<0.2; with a solution containing alkaline earth metal ions in the presence of a reducing agent to form an alkaline earth metal fluoride and less than tetravalent manganese ions on the surface of the fluoride particles.

Abstract: A composition including a plurality of quantum dots; a binder polymer; a thiol compound having at least two thiol groups; a polyvalent metal compound; a polymerizable monomer having a carbon-carbon double bond; a photoinitiator; and a solvent.