Pb FREE (K,Na)NbO3 PIEZOELECTRIC CERAMIC MATERIALS WITH CUBIC STRUCTURE, MANUFACTURING METHOD FOR THE SAME, AND PIEZOELECTRIC DEVICE CONTAINING THE SAME

摘要

The present invention relates to a lead-free piezoelectric ceramic material having excellent transparency, a method of manufacturing the same, and a piezoelectric element including the ceramic material.According to an embodiment of the present invention, (K, A piezoelectric material having a Na)NbO 3 based composition may be provided.