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Enhanced piezoelectric properties of (Na0.53K0.47)(Nb1−xTax)O3 ceramics by Ta substitution

✍ Scribed by Y.S. Sung; J.H. Lee; S.W. Kim; T.H. Lee; J.M. Kim; J.H. Cho; T.K. Song; M.H. Kim; T.G. Park


Book ID
113528929
Publisher
Elsevier Science
Year
2012
Tongue
English
Weight
515 KB
Volume
38
Category
Article
ISSN
0272-8842

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## Abstract Many (K~1−__x__~Na~__x__~)NbO~3~ (KNN)‐based ceramics with high piezoelectric performance exhibit undesirable strong temperature dependence due to the orthorhombic–tetragonal polymorphic phase transition near room temperature. In order to improve the temperature stability of the ceramic