PIEZOELECTRIC MATERIAL AND PIEZOELECTRIC ELEMENT

PROBLEM TO BE SOLVED: To provide a piezoelectric material which contains no lead being a harmful material, which is environmentally friendly and which includes excellent piezoelectric characteristics. SOLUTION: The piezoelectric material is expressed by general formula (1): (1-x)BiFeO3-xBaTiO3, (whe...

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Hauptverfasser: MORI SHIGEO, HORIBE YOICHI, MATSUO SACHIFUMI, OZAKI TOMOATSU
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creator MORI SHIGEO
HORIBE YOICHI
MATSUO SACHIFUMI
OZAKI TOMOATSU
description PROBLEM TO BE SOLVED: To provide a piezoelectric material which contains no lead being a harmful material, which is environmentally friendly and which includes excellent piezoelectric characteristics. SOLUTION: The piezoelectric material is expressed by general formula (1): (1-x)BiFeO3-xBaTiO3, (where 0.70≤x≤0.90). The piezoelectric material is excellent in all of that (1) the piezoelectric constant is large, (2) the displacement to an electric field exhibits linearity and (3) the Curie point is high temperature, which are main characteristics required for the piezoelectric material. COPYRIGHT: (C)2010,JPO&INPIT
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subjects ARTIFICIAL STONE
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
ELECTRICITY
LIME, MAGNESIA
METALLURGY
REFRACTORIES
SLAG
TREATMENT OF NATURAL STONE
title PIEZOELECTRIC MATERIAL AND PIEZOELECTRIC ELEMENT
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