Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
PIEZOELECTRIC MATERIAL, PIEZOELECTRIC ELEMENT, AND ELECTRONIC APPARATUS
To provide a lead-free piezoelectric material which suppresses a dielectric loss tangent and has both a piezoelectric constant and a mechanical quality factor at the same time.SOLUTION: A piezoelectric material according to the present invention includes a main component composed of a perovskite type metal oxide represented by a general formula Na(BiBa)NbTiO(0.84≤X≤0.92, 0.84≤Y≤0.92, 0.002≤(W+s)(1-y)≤0.035, 0.9≤W/s≤1.1) and a Mn component. The content of Mn is 0.01 mol% or more and 1.00 mol% or less with respect to the perovskite type metal oxide.SELECTED DRAWING: None
【課題】誘電正接を抑制し、圧電定数と機械的品質係数を両立した、非鉛型の圧電材料を提供する。【解決手段】本発明の圧電材料は、一般式Ｎａｘ＋ｓ（１−ｙ）（ＢｉｗＢａ１−ｓ−ｗ）１−ｙＮｂｙＴｉ１−ｙＯ３（式中、０．８４≦ｘ≦０．９２、０．８４≦ｙ≦０．９２、０．００２≦（ｗ＋ｓ）（１−ｙ）≦０．０３５、０．９≦ｗ／ｓ≦１．１）で表わされるペロブスカイト型金属酸化物よりなる主成分と、Ｍｎ成分とを有する。Ｍｎの含有量が、ペロブスカイト型金属酸化物に対して０．０１ｍｏｌ％以上１．００ｍｏｌ％以下である。【選択図】なし
PIEZOELECTRIC MATERIAL, PIEZOELECTRIC ELEMENT, AND ELECTRONIC APPARATUS
To provide a lead-free piezoelectric material which suppresses a dielectric loss tangent and has both a piezoelectric constant and a mechanical quality factor at the same time.SOLUTION: A piezoelectric material according to the present invention includes a main component composed of a perovskite type metal oxide represented by a general formula Na(BiBa)NbTiO(0.84≤X≤0.92, 0.84≤Y≤0.92, 0.002≤(W+s)(1-y)≤0.035, 0.9≤W/s≤1.1) and a Mn component. The content of Mn is 0.01 mol% or more and 1.00 mol% or less with respect to the perovskite type metal oxide.SELECTED DRAWING: None
【課題】誘電正接を抑制し、圧電定数と機械的品質係数を両立した、非鉛型の圧電材料を提供する。【解決手段】本発明の圧電材料は、一般式Ｎａｘ＋ｓ（１−ｙ）（ＢｉｗＢａ１−ｓ−ｗ）１−ｙＮｂｙＴｉ１−ｙＯ３（式中、０．８４≦ｘ≦０．９２、０．８４≦ｙ≦０．９２、０．００２≦（ｗ＋ｓ）（１−ｙ）≦０．０３５、０．９≦ｗ／ｓ≦１．１）で表わされるペロブスカイト型金属酸化物よりなる主成分と、Ｍｎ成分とを有する。Ｍｎの含有量が、ペロブスカイト型金属酸化物に対して０．０１ｍｏｌ％以上１．００ｍｏｌ％以下である。【選択図】なし
PIEZOELECTRIC MATERIAL, PIEZOELECTRIC ELEMENT, AND ELECTRONIC APPARATUS
圧電材料、圧電素子、および電子機器
OSHIMA KANAKO (Autor:in) / UEDA MIKI (Autor:in) / MATSUDA KATAYOSHI (Autor:in) / KUBOTA JUN (Autor:in) / YABUTA HISATO (Autor:in) / UCHIDA FUMIO (Autor:in) / IMAI HIROKI (Autor:in) / MAEDA KENJI (Autor:in) / SHIMIZU CHIEMI (Autor:in)
28.02.2019
Patent
Elektronische Ressource
Japanisch
IPC:
H10N
/
B06B
GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
,
Erzeugen oder Übertragen mechanischer Schwingungen allgemein
/
B41J
TYPEWRITERS
,
Schreibmaschinen
/
C04B
Kalk
,
LIME
/
G02B
Optische Elemente, Systeme oder Geräte
,
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
/
G03B
APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM
,
Geräte oder Anordnungen zum Aufnehmen, Projizieren oder Betrachten von Fotografien
/
H02N
Elektrische Maschinen, soweit nicht anderweitig vorgesehen
,
ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
/
H04N
PICTORIAL COMMUNICATION, e.g. TELEVISION
,
Bildübertragung, z.B. Fernsehen
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