Described are luminescent components with excellent performance and stability. The luminescent components comprise a first element including first luminescent crystals from the class of perovskite crystals, embedded a first polymer P1 and a second element comprising a second solid polymer composition, said second polymer composition optionally comprising second luminescent crystals embedded in a second polymer P2. Polymers P1 and P2 differ and are further specified in the claims. Also described are methods for manufacturing such components and devices comprising such components.

The present invention relates to a crystallised solid, called IZM-5, comprising a chemical composition expressed on an anhydrous base, in terms of mole, and defined by the following general formula: Sn.sub.aZn.sub.bS.sub.8: cR, wherein R represents at least one nitrogenous organic species; S sulphur, “a” is the molar amount of tin, denoted Sn, between 0.1 and 5; “b” is the molar amount of zinc, denoted Zn, between 0.2 and 8; “c” is the molar amount of the nitrogenous organic species R between 0 and 4.

The present invention provides a particularly advantageous form of alkaline earth metal hydroxystannate and alkaline earth metal stannate exhibiting a BET specific surface area of from 20 to 200 m2/g. A method of producing such particulate material and evidence of its benefits in use such as in at a reduction in a polymer sample at elevated temperature is also disclosed.

The present invention provides a particularly advantageous form of alkaline earth metal hydroxystannate and alkaline earth metal stannate exhibiting a BET specific surface area of from 20 to 200 m2/g. A method of producing such particulate material and evidence of its benefits in use such as in at a reduction in a polymer sample at elevated temperature is also disclosed.

An oxide superconducting wire includes a superconducting layer deposited on a substrate. The superconducting layer includes an oxide superconductor RE-Ba—Cu—O and artificial pinning centers ABO.sub.3, where RE is a rare earth element, A is Ba, Sr or Ca, and B is Hf, Zr, or Sn. In a TEM image of a cross-section of the superconducting layer, a standard deviation σ of an inclination angle of the artificial pinning center rods with respect to a cross-sectional direction of the superconducting layer is 6.13° to 11.73° and an average length of the artificial pinning center rods is 19.84 to 25.44 nm.

An oxide superconducting wire includes a superconducting layer deposited on a substrate. The superconducting layer includes an oxide superconductor RE-Ba—Cu—O and artificial pinning centers ABO.sub.3, where RE is a rare earth element, A is Ba, Sr or Ca, and B is Hf, Zr, or Sn. In a TEM image of a cross-section of the superconducting layer, a standard deviation σ of an inclination angle of the artificial pinning center rods with respect to a cross-sectional direction of the superconducting layer is 6.13° to 11.73° and an average length of the artificial pinning center rods is 19.84 to 25.44 nm.

Provided is a sulfide solid electrolyte material which has a composition that does not contain Ge, while having a smaller Li content than conventional sulfide solid electrolyte materials, and which has both lithium ion conductivity and chemical stability at the same time. A sulfide solid electrolyte which has a crystal structure represented by composition formula (Li.sub.3.45+β−4αSn.sub.α)(Si.sub.0.36Sn.sub.0.09)(P.sub.0.55−βSi.sub.β)S.sub.4 (wherein α≤0.67, β≤0.33 and 0.43<α+β (provided that 0.23<α≤0.4 when β=0.2 and 0.13<α≤0.4 when β=0.3 may be excluded)), or a crystal structure represented by composition formula Li.sub.7+γSi.sub.γP.sub.1−γS.sub.6 (wherein 0.1≤γ<0.3).

The present invention is able to provide an LGPS-based solid electrolyte characterized by: satisfying a composition of Li.sub.uSn.sub.vP.sub.2S.sub.yX.sub.z (6≤u≤14, 0.8≤v≤2.1, 9≤y≤16, 0<z≤1.6; X represents Cl, Br, or I); and having, in X-ray diffraction (CuKα: λ=1.5405 Å), peaks at least at positions of 2θ=19.80°±0.50°, 20.10°±0.50°, 26.60°±0.50°, and 29.10°±0.50°.

Production method for metal oxide fine particles includes: a step of mixing a fatty acid represented by C.sub.nH.sub.2nO.sub.2 (n=5 to 14) and a metal source consisting of a metal, metal oxide, or metal hydroxide of at least two metal elements selected from the group consisting of Zn, In, Sn, and Sb to obtain a mixture; a step of heating the mixture at a temperature that is equal to or higher than a melting temperature of the fatty acid and lower than a decomposition temperature of the fatty acid to obtain a metal soap which is a precursor of metal oxide fine particles; and a step of heating the precursor at a temperature that is equal to or higher than a melting temperature of the precursor and lower than a decomposition temperature of the precursor to obtain metal oxide fine particles having an average particle diameter of 80 nm or less.

Production method for metal oxide fine particles includes: a step of mixing a fatty acid represented by C.sub.nH.sub.2nO.sub.2 (n=5 to 14) and a metal source consisting of a metal, metal oxide, or metal hydroxide of at least two metal elements selected from the group consisting of Zn, In, Sn, and Sb to obtain a mixture; a step of heating the mixture at a temperature that is equal to or higher than a melting temperature of the fatty acid and lower than a decomposition temperature of the fatty acid to obtain a metal soap which is a precursor of metal oxide fine particles; and a step of heating the precursor at a temperature that is equal to or higher than a melting temperature of the precursor and lower than a decomposition temperature of the precursor to obtain metal oxide fine particles having an average particle diameter of 80 nm or less.