In order to sufficiently improve the lithium ion conductivity of a molded article obtained by pressure-molding an ion conductive powder, this ion conductive powder contains a lithium ion conductive solid electrolyte which is an ionic conductor having the garnet structure or a structure similar to the garnet structure that contains at least Li, Zr, La, and O. In this ion conductive powder, the contained amount of Li.sub.2CO.sub.3 per gram of the lithium ion conductive solid electrolyte is less than 3 mg as calculated on the basis of the amount of CO.sub.2 detected at 500 C. or higher by temperature programmed desorption-mass spectrometry (TPD-MS).

An oriented apatite-type oxide ion conductor includes a composite oxide expressed as A.sub.9.33+x[T.sub.6.00yM.sub.y]O.sub.26.0+z, where A represents one or two or more elements selected from the group consisting of La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Be, Mg, Ca, Sr, and Ba, T represents an element including Si or Ge or both, and M represents one or two or more elements selected from the group consisting of B, Ge, Zn, Sn, W, and Mo, and where x is from 1.00 to 1.00, y is from 0.40 to less than 1.00, and z is from 3.00 to 2.00.

A method for fabricating a porous ceramic heating body, and a method of fabricating a heating body. The method for fabricating includes, in sequence, mixing, ball-milling, defoaming, molding, and drying, pore-forming agent discharging, sintering, and electrode leading. The whole method is simple, and by using a box furnace to sinter the green body under an oxidizing atmosphere and normal pressure, the fabricated ceramic heating body is heated uniformly and the heating efficiency is high.

A method of growing a FE material thin film using physical vapor deposition by pulsed laser deposition or RF sputtering is disclosed. The method involves creating a target to be used for the pulsed laser deposition in order to create a KBNNO thin film. The resultant KBNNO thin film is able to be used in photovoltaic cells.

A process for providing fluoresence to a dental ceramic body by treating at least a portion of the outer surface of the dental ceramic body or a precursor thereof with a bismuth containing substance, characterized by the steps of placing the dental ceramic body or the precursor thereof into a closeable container, in particular a crucible; generating a bismuth containing atmosphere in the container and exposing at least a portion of the outer surface of the dental ceramic body or of the precursor to the bismuth containing atmosphere at a temperature above 1000 C.

A method (100) for producing a sintered component being a solid electrolyte and/or an electrode including titanium and sulfur for an all-solid state battery, the method including mixing powders (102) so as to obtain a powder mixture comprising titanium and sulfur, pressing (106) a component with the powder mixture, sintering (108) the component under a partial pressure of sulfur comprised between 200 Pa and 0.2 MPa so as to obtain an intermediate sintered component comprising titanium and sulfur, and sintering (114) the intermediate sintered component under a partial pressure of sulfur equal to or smaller than 150 Pa at a temperature plateau comprised between 200 C. and 400 C. so as to obtain a sintered component comprising titanium and sulfur, the solid electrolyte exhibiting the peaks in positions of 2=15.08 (0.50), 15.28 (0.50), 15.92 (0.50), 17.5 (0.50), 18.24 (0.50), 20.30 (0.50), 23.44 (0.50), 24.48 (0.50), and 26.66 (0.50) in a X-ray diffraction measurement using CuK line.

The present disclosure relates to piezoelectric compositions of Formula I comprising Lead ZirconateLead Titanate solid solution. The disclosure further relates to a method of obtaining said composition, method of preparing/fabricating piezoelectric component(s) and piezoelectric component(s)/article(s) obtained thereof. The piezoelectric composition and articles of the present disclosure show excellent electromechanical characteristics along with very large insulation resistance (IR).

Disclosed is a solid state electrolyte comprising a compound of Formula 1

Li.sub.7a*(b4)*xM.sup.a.sub.La.sub.3Hf.sub.2M.sup.b.sub.O.sub.12xX.sub.x (1)

wherein M.sup.a is a cationic element having a valence of a+; M.sup.b is a cationic element having a valence of b+; and X is an anion having a valence of 1, wherein, when M.sup.a includes H, 05, otherwise 00.75, and wherein 01.5, 0x1.5, and (a*+(b4)+x)>0, 01.

Provided is a large-sized silicon nitride sintered substrate and a method for producing the same. The silicon nitride sintered substrate has a main surface 101a of a shape larger than a square having a side of a length of 120 mm. A ratio dc/de of the density dc of the central area and the density de of the end area of the main surface 101a is 0.98 or higher. The void fraction vc of the central area of the main surface 101a is 1.80% or lower, and the void fraction ve of the end area is 1.00% or lower. It is preferred that the density dc of the central area is 3.120 g/cm.sup.3 or higher, the density de of the end area is 3.160 g/cm.sup.3 or higher, and a ratio ve/vc of the void fraction vc of the central area and the void fraction ve of the end area is 0.50 or higher.

A process for providing fluoresence to a dental ceramic body by treating at least a portion of the outer surface of the dental ceramic body or a precursor thereof with a bismuth containing substance, characterized by the steps of placing the dental ceramic body or the precursor thereof into a closeable container, in particular a crucible; generating a bismuth containing atmosphere in the container and exposing at least a portion of the outer surface of the dental ceramic body or of the precursor to the bismuth containing atmosphere at a temperature above 1000 C.