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PIEZOELECTRIC CERAMIC COMPOSITION AND PIEZOELECTRIC ACTUATOR
Provided is a piezoelectric ceramic composition including a potassium sodium niobate-based perovskite type complex oxide represented by Compositional Formula ABO3, as a main component. Further, the piezoelectric ceramic composition contains Bi in an A site and Zr in a B site. Further, the piezoelectric ceramic composition includes a segregation portion positioned in a crystal grain. At least one of Zr or Bi is localized in the segregation portion.
PIEZOELECTRIC CERAMIC COMPOSITION AND PIEZOELECTRIC ACTUATOR
Provided is a piezoelectric ceramic composition including a potassium sodium niobate-based perovskite type complex oxide represented by Compositional Formula ABO3, as a main component. Further, the piezoelectric ceramic composition contains Bi in an A site and Zr in a B site. Further, the piezoelectric ceramic composition includes a segregation portion positioned in a crystal grain. At least one of Zr or Bi is localized in the segregation portion.
PIEZOELECTRIC CERAMIC COMPOSITION AND PIEZOELECTRIC ACTUATOR
HIRAYAMA TAKESHI (Autor:in) / TABATA SHUHEI (Autor:in) / HIGASHIBEPPU MAKOTO (Autor:in) / SHIMURA GEN (Autor:in) / HASEGAWA YUKIHIRO (Autor:in)
27.04.2023
Patent
Elektronische Ressource
Englisch
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