Piezoelectric material composition, method of manufacturing the same, piezoelectric device, and apparatus including the piezoelectric device

Piezoelectric material composition, method of manufacturing the same, piezoelectric device, and apparatus including the piezoelectric device

A piezoelectric device may include a piezoelectric device layer including a first material and a second material surrounded by the first material, a first electrode portion disposed at a first surface of the piezoelectric device layer, and a second electrode portion disposed at a second surface oppo...

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Bibliographische Detailangaben
Hauptverfasser: HAM, YONG-SU, KIM, DAE-SU, GO, SU-HWAN, EUM, JAE-MIN, PARK, SEUNG-RYULL, LEE, YONG-WOO, SHIN, HO-SUNG, SUNG, SEUNG-HYUN, NAHM, SAHN, KHO, YU-SEON
Format: Patent
Sprache:chi ; eng
Schlagworte:
ARTIFICIAL STONE
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
LIME, MAGNESIA
METALLURGY
REFRACTORIES
SLAG
TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:A piezoelectric device may include a piezoelectric device layer including a first material and a second material surrounded by the first material, a first electrode portion disposed at a first surface of the piezoelectric device layer, and a second electrode portion disposed at a second surface opposite to the first surface. The piezoelectric device layer is represented by Chemical Formula 1 "0.96(NaaK1-a)(Nbb(T1-b))O3 - (0.04-x)MZrO3 - x(BicAg1-c)ZrO3 + d mol% NaNbO3", wherein T is Sb or Ta, M is Sr, Ba or Ca, 0.4 ≤ a ≤ 0.6, 0.90 ≤ b ≤ 0.98, 0.4 ≤ c ≤ 0.6, 0 ≤ d ≤ 5.0, and 0 ≤ x ≤ 0.04.