PIEZOELECTRIC ELEMENT, PIEZOELECTRIC ELEMENT APPLICATION DEVICE

PIEZOELECTRIC ELEMENT, PIEZOELECTRIC ELEMENT APPLICATION DEVICE

A piezoelectric element 1 includes a first electrode 20, a second electrode 40, and a piezoelectric layer 30 provided between the first electrode 20 and the second electrode 40. The piezoelectric layer 30 is composed of a composite oxide having a perovskite-type structure and containing potassium (K...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SAKAI, Tomohiro, HAMADA, Yasuaki
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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Beschreibung
Zusammenfassung:A piezoelectric element 1 includes a first electrode 20, a second electrode 40, and a piezoelectric layer 30 provided between the first electrode 20 and the second electrode 40. The piezoelectric layer 30 is composed of a composite oxide having a perovskite-type structure and containing potassium (K), sodium (Na), and niobium (Nb), and has a first peak derived from a (100) plane, a second peak derived from a (010) plane, and a third peak derived from a (001) plane in an X-ray diffraction pattern obtained by θ-2θ measurement.