A composition for forming a PZT-based piezoelectric film formed of Mn-doped composite metal oxides is provided, the composition including: PZT-based precursors containing metal atoms configuring the composite metal oxides; a diol; and polyvinylpyrrolidone, in which when a metal atom ratio in the composition is shown as Pb:Mn:Zr:Ti, the PZT-based precursors are contained so that a metal atom ratio of Pb is satisfied to be from 1.00 to 1.20, a metal atom ratio of Mn is satisfied to be equal to or greater than 0.002 and less than 0.05, a metal atom ratio of Zr is satisfied to be from 0.40 to 0.55, a metal atom ratio of Ti is satisfied to be from 0.45 to 0.60, and the total of Zr and Ti in a metal atom ratio is 1.

A production method for a ceramic matrix composite is comprised of: compounding an aggregate powder including a ceramic and a binder including at least one of thermoplastic resins and waxes to form a composition of the aggregate powder and the binder; pressing the composition to form sheets; accumulating fabrics of reinforcement fibers including the ceramic and the sheets alternately; pressing an accumulated body of the fabrics and the sheets; and generating a matrix combining the reinforcement fibers together.

A method for making a thin ceramic part involves making a casting slurry including a ceramic powder, a solvent, a binder, a plasticizer, and a dispersant. The casting slurry is tape casted to achieve a single layer green tape. At least two single layer green tapes are laminated to form a green tape lamination. The green tape lamination is dry pressed, dried, shaped, degreased, and fired to achieve the exterior component required.

Provided are a member for plasma processing device which has an excellent plasma resistance and improved adhesion strength of a film to a base material, and a plasma processing device provided with the same. A member for plasma processing device includes: a base material containing a first element which is a metal element or a metalloid element; a film containing a rare-earth element oxide, or a rare-earth element fluoride, or a rare-earth element oxyfluoride as a major constituent, the film being located on the base material; and an amorphous portion containing the first element, a rare earth element, and at least one of oxygen and fluorine, the amorphous portion being interposed between the base material and the film.

Provided is a piezoelectric film formed by a vapor phase growth method, the piezoelectric film containing:

a perovskite oxide in which a perovskite oxide represented by the following formula P is doped with Si in an amount of from 0.2 mol % to less than 0.5 mol %, wherein a ratio of a peak intensity of a pyrochlore phase to a sum of peak intensities in respective plane orientations of (100), (001), (110), (101) and (111) of a perovskite phase measured by an X-ray diffraction method is 0.25 or less:

A.sub.1+δ[(Zr.sub.xTi.sub.1−a).sub.1−aNb.sub.a]O.sub.y  Formula P

wherein, in formula P, A is an A-site element primarily containing Pb; Zr, Ti, and Nb are B-site elements; x is more than 0 but less than 1; a is 0.1 or more but less than 0.3.

A method for manufacturing a flexible graphene electrically conductive film includes (1) providing a base and forming a graphene layer on a surface of the base; (2) providing polyvinyl alcohol, dissolving polyvinyl alcohol in water and heating to form a colloidal solution, which after cooling, forms a polyvinyl alcohol colloidal solution; and coating the polyvinyl alcohol colloidal solution on a surface of the graphene layer and drying so as to form a supporting layer on the surface of the graphene layer; (3) removing the base from the graphene layer; and (4) dissolving the supporting layer on the graphene layer in water so as to obtain a flexible graphene electrically conductive film that is free of surface residue.

Provided is a lithium complex oxide sintered plate for use in a positive electrode of a lithium secondary battery. The lithium complex oxide sintered plate has a structure in which a plurality of primary grains having a layered rock-salt structure are bonded, and has a porosity of 3 to 40%, a mean pore diameter of 15 μm or less, an open porosity of 70% or more, and a thickness of 15 to 200 μm. The plurality of primary grains has a primary grain diameter, i.e., a mean diameter of the primary grains, of 20 μm or less and a mean tilt angle of more than 0° to 30° or less. The mean tilt angle is a mean value of the angles defined by the (003) planes of the primary grains and the plate face of the lithium complex oxide sintered plate.

The present invention relates to a method for preparing a nanosheet including the steps of: depositing a solution onto a substrate to form a first layer, wherein the substrate is rotatable relative to the depositing solution; depositing and condensing target material onto the first layer to form a second layer; and separating the second layer from the first layer and the substrate to form a nanosheet. Also disclosed a multilayer structure including: a substrate; a first layer arranged to deposit onto the substrate, wherein the substrate is rotatable relative to the depositing of the first layer; and a second layer arranged to deposit onto the first layer and separable from the first layer to form a nanosheet.

A (GaMe).sub.2O.sub.3 ternary alloy material, its preparation method and application in a solar-blind ultraviolet photodetector are provided. The (GaMe).sub.2O.sub.3 ternary alloy material of the present invention is formed by solid solution of Ga.sub.2O.sub.3 and Me.sub.2O.sub.3 in a molar ratio of 99:1 to 50:50, wherein the Me is any one of Lu, Sc, or Y. The (GaMe).sub.2O.sub.3 ternary alloy material of the present invention can be used to prepare the active layer of a solar-blind ultraviolet photodetector. In the present invention, the band gap of Me.sub.2O.sub.3 is higher than that of Ga.sub.2O.sub.3, and Ga.sup.3+ ions in Ga.sub.2O.sub.3 are partially replaced by Me.sup.3+ ions to obtain a higher band gap (GaMe).sub.2O.sub.3 ternary alloy material to reduce the dark current of the device and promote the blue shift of the cut-off wavelength to within 280 nm.

A process of forming a sintered article includes heating a green portion of a tape of polycrystalline ceramic and/or minerals in organic binder at a binder removal zone to a temperature sufficient to pyrolyze the binder; horizontally conveying the portion of tape with organic binder removed from the binder removal zone to a sintering zone; and sintering polycrystalline ceramic and/or minerals of the portion of tape at the sintering zone, wherein the tape simultaneously extends through the removal and sintering zones.