The invention relates to a process of producing a dental zirconia article, the process comprising the step of sintering a porous dental zirconia article, the sintering comprising a heat-treatment segment A characterized by a heating rate of at least 3 K/sec up to a temperature of at least 1,200° C., the porous dental zirconia article being composed of a zirconia material containing 6.0 to 8.0 wt. % yttria, 0.05 to 0.12 wt. % alumina and comprising a coloring component containing Tb, the porous dental zirconia article being essentially free of Fe components. The invention also relates to a process comprising the additional step of applying a glazing composition to the outer surface of the porous zirconia article before the heat-treatment or sintering is conducted.

Metal containing polymer compositions, useful for the production of high temperature metal carbide ceramics are described, including poly(carbohafnocene) compositions and related poly(carbometallocene) compositions, as well as compositions formed from the reaction of hafnium chloride and 2-butyne-1,4-diol. Methods of synthesizing such compositions are provided.

A dielectric ceramic composition includes a base material main component of barium titanate and a subcomponent. A microstructure of the dielectric ceramic composition after sintering includes a first grain having a Ca content of less than 3.5 at % and a second grain having a Ca content of 3.5 to 13.5 at %, and an area ratio of the second grain to an area of the total grains is 70% to 95%.

A fused solid-state electrolyte e membrane having a thickness less than 5 mm and intended for a lithium-ion battery. The membrane includes a polycrystalline product including at least 3.0% amorphous phase and including, for more than 95% of its mass, of the elements Li, La, Zr, M and O, M being a dopant chosen from the group formed by Al, P, Sb, Sc, Ti, V, Y, Nb, Hf, Ta, the lanthanides with the exception of La, Se, W, Bi, Si, Ge, Ga, Sn, Cr, Fe, Zn, Na, K, Rb, Cs, Fr, Mg, Ca, Sr, Ba and the mixtures thereof. The contents of these elements, measured after a decarbonatation operation without loss of lithium, being defined by the formula Li.sub.aLa.sub.bZr.sub.cM.sub.dO.sub.12, wherein the atomic indices are such that: 2.500<a<8,500, and 1,000<b<3.500, and 0.600<c<2.000, and 0<d<2.000.

The present invention discloses a multiphase ceramic material with a giant dielectric constant, wherein the multiphase ceramic material has a general formula of A.sub.xB.sub.nxTi.sub.1−(n+1)xO.sub.2; wherein A is at least one selected from the group consisting of Nb, Ta, V, Mo, and Sb, B is at least one selected from the group consisting of In, Ga, Al, Co, Cr, Sc, Fe (III), and a trivalent rare-earth cation; n is a molar ratio of B to A, 1<n≤5 , 0<x≤0.1. The multiphase ceramic material possesses outstanding properties including a giant dielectric constant, a low dielectric loss, and excellent frequency- and temperature-stability. In particular, it exhibits a high insulation resistivity of higher than 10.sup.11 Ω.Math.cm and a high breakdown voltage, which implies it can be applied in high-energy storage devices and supercapacitors. This invention also provides a method to synthesize the multiphase ceramic material.

Disclosed herein are embodiments of low temperature co-fireable scheelite materials which can be used in combination with high dielectric materials, such as nickel zinc ferrite, to form composite structures, in particular for isolators and circulators for radiofrequency components. In some embodiments, the scheelite material can include aluminum oxide for temperature expansion regulation.

The preset invention relates to dielectric material, and device, and memory device comprising the same. According to an aspect, provided is a dielectric material having a composition represented by Formula 1: <Formula 1> (100-x-y)BaTiO.sub.3.xBiREO.sub.3.yABO.sub.3. wherein, in Formula 1, RE is a rare earth metal, A is an alkali metal, B is a pentavalent transition metal, and 0<x<50, 0<y<50, and 0<x+y<50 are satisfied.

Disclosed herein are embodiments of low temperature co-fireable dielectric materials which can be used in conjunction with high dielectric materials to form composite structures, in particular for isolators and circulators for radiofrequency components. Embodiments of the low temperature co-fireable dielectric materials can be scheelite or garnet structures, for example barium tungstate. Adhesives and/or glue is not necessary for the formation of the isolators and circulators.

Disclosed herein are embodiments of low temperature co-fireable barium tungstate materials which can be used in combination with high dielectric materials, such as nickel zinc ferrite, to form composite structures, in particular for isolators and circulators for radiofrequency components. Embodiments of the material can include flux, such as bismuth vanadate, to reduce co-firing temperatures.

A dielectric ceramic composition and a multilayer ceramic capacitor including the same are provided, the dielectric ceramic composition includes a BaTiO.sub.3-based base material main component and a subcomponent, wherein the subcomponent includes zinc oxide (ZnO) as a first subcomponent, and the content of the ZnO is 0.1 mol % or more and less than 0.4 mol % with respect to 100 mol % of the base material main component.