摘要:
To produce a ferroelectric film including a non-lead material. An embodiment of the present invention is a ferroelectric film characterized by being represented by (Baaα1-a)(Tibβ1-b(α: one or more metal elements among Mg (magnesium), Ca2+ (calcium), Sr (strontium), Li (lithium), Na (sodium), K (potassium), Rb (rubidium), Cs (cesium), Mg (magnesium), Ca2+ (calcium) and Sr (strontium), β: one or more metal elements among Ti (titanium), V (vanadium), Cr (chromium), Mn (manganese), Fe (iron), Co (cobalt), Ni (nickel), Cu (copper), Zr (zirconium), Nb (niobium), Mo (molybdenum), Ru (ruthenium), Rh (rhodium), Pd (palladium), Ag (silver), Sc (scandium), Y (yttrium), La (lanthanum), Ce (cerium), Pr (praseodymium), Nd (neodymium), Sm (samarium), Eu (europium), Gd (gadolinium), Tb (terbium), Dy (dysprosium), Ho (holmium), Er (erbium), Tm (thulium), Yb (ytterbium), Lu (lutetium), Ha (hafnium) and Ta (tantalum)).
摘要:
A piezoelectric element includes a first electrode, a piezoelectric film disposed on the first electrode, and a second electrode disposed on the piezoelectric film. The piezoelectric film is composed of piezoelectric material that is lead free and formed by mixing 100(1−x) % of material A having a spontaneous polarization of 0.5 C/m2 or greater at 25° C. and 100 x % of material B having piezoelectric characteristics and a dielectric constant of 1000 or greater at 25° C., wherein (1−x)Tc(A)+x Tc(B)≧300° C., where Tc(A) is the Curie temperature of the material A and Tc(B) is the Curie temperature of the material B.
摘要翻译:压电元件包括第一电极,设置在第一电极上的压电膜和设置在压电膜上的第二电极。 该压电膜由无铅化的压电材料构成,并且通过混合100(1-x)%的在25℃下具有0.5C / m 2以上的自发极化的材料A和100%的具有 压电特性和介电常数在25℃下为1000以上,其中(1-x)Tc(A)+ x Tc(B)≥300℃,其中Tc(A)是材料的居里温度 A和Tc(B)是材料B的居里温度。
摘要:
Provided is a pressurizing-type lamp annealing device which can easily handle a substrate to be treated having a large surface area. An embodiment is a pressurizing-type lamp annealing device which includes: a treatment chamber 25; a holding part 23 disposed into the treatment chamber to hold a substrate to be treated 22; a gas-introduction mechanism for introducing a pressurized gas into the treatment chamber; a gas-discharge mechanism for discharging the gas in the treatment chamber; a transparent tube 20 disposed into the treatment chamber; and a lamp heater 19 placed in the treatment chamber to irradiate the substrate to be treated with a lamp light, through the transparent tube.
摘要:
A piezoelectric element includes a first electrode, a piezoelectric film disposed on the first electrode, and a second electrode disposed on the piezoelectric film. The piezoelectric film is composed of piezoelectric material that is lead free and formed by mixing 100(1−x)% of material A having a spontaneous polarization of 0.5 C/m2 or greater at 25° C. and 100 x % of material B having piezoelectric characteristics and a dielectric constant of 1000 or greater at 25° C., wherein (1−x)Tc(A)+xTc(B)≧300° C., where Tc(A) is the Curie temperature of the material A and Tc(B) is the Curie temperature of the material B.
摘要翻译:压电元件包括第一电极,设置在第一电极上的压电膜和设置在压电膜上的第二电极。 该压电膜由无铅化的压电材料构成,并且通过混合100(1-x)%的在25℃下具有0.5C / m 2以上的自发极化的材料A和100%的具有 压电特性和在25℃下介电常数为1000以上的介电常数,其中(1-x)Tc(A)+ xTc(B)≥300℃,其中Tc(A)是材料A的居里温度 Tc(B)是材料B的居里温度。
摘要:
A method of manufacturing a ceramic includes forming a film which includes a complex oxide material having an oxygen octahedral structure and a paraelectric material having a catalytic effect for the complex oxide material in a mixed state, and performing a heat treatment to the film, wherein the paraelectric material is one of a layered catalytic substance which includes Si in the constituent elements and a layered catalytic substance which includes Si and Ge in the constituent elements. The heat treatment includes sintering and post-annealing. At least the post-annealing is performed in a pressurized atmosphere including at least one of oxygen and ozone. A ceramic is a complex oxide having an oxygen octahedral structure, and has Si and Ge in the oxygen octahedral structure.
摘要:
A precursor composition including a precursor for forming a ferroelectric, the ferroelectric being shown by a general formula AB1-XCXO3, an element A including at least Pb, an element B including at least one of Zr, Ti, V, W, and Hf, an element C including at least one of Nb and Ta, the precursor including at least the element B and the element C and part of the precursor including an ester bond, the precursor being dissolved or dispersed in an organic solvent, and the organic solvent including at least a first alcohol and a second alcohol having a boiling point and viscosity higher than a boiling point and viscosity of the first alcohol.
摘要:
A piezoelectric film laminate including a sapphire substrate and a lead zirconate titanate niobate film and a potassium niobate film formed on the sapphire substrate.
摘要:
Functional water includes water and alcohol, wherein a peak originated from OH groups of the water and a peak originated from OH groups of the alcohol in 1H-NMR analysis at 50° C. form a single peak.
摘要:
A method for manufacturing a ferroelectric film includes the steps of causing, in a solution containing sol-gel raw materials, hydrolysis and polycondensation to the sol-gel raw materials to form a liquid containing particulate gels dispersed therein, and forming a ferroelectric film by a migration electrodeposition method, using the liquid containing particulate gels, through electrodepositing the particulate gels on an electrode.
摘要:
A ferroelectric capacitor includes: an electrode including a platinum film; a seed layer that is formed above the electrode and is composed of oxide having a perovskite structure expressed by a general formula, A(B1-xCx)O3; and a ferroelectric layer formed above the seed layer, wherein A is composed of at least one of Sr and Ca, B is composed of at least one of Ti, Zr and Hf, C is composed of at least one of Nb and Ta, and X is in a range of 0
摘要翻译:铁电电容器包括:包含铂膜的电极; 形成在电极上方并由具有由通式表示的钙钛矿结构的氧化物组成的晶种层A(B 1-x C x X)O 3 SUB>; 以及形成在种子层上的铁电层,其中A由Sr和Ca中的至少一种构成,B由Ti,Zr和Hf中的至少一种构成,C由Nb和Ta中的至少一种构成,以及 X在0