| 简介 |
The present invention relates to Bi-based lead-free piezoelectric ceramics comprising lanthanum and an actuator comprising the same, and more particularly to Bi-based lead-free piezoelectric ceramics comprising lanthanum with excellent electrical characteristics, such as a low coercive electric field value, a high electric field induced strain (EFIS), and the like, and an actuator comprising the same. The Bi-based lead-free piezoelectric ceramics comprising lanthanum according to an embodiment of the present invention may form a solid solution through addition of a ternary oxide-based oxide comprising lanthanum to a [Bi(Na, K)]TiO_3-based parent body comprising Bi, Na, K, Ti, and O as main components, and may have a pseudo-cubic perovskite crystalline structure.COPYRIGHT KIPO 2016 |
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