Effects of Manganese Addition on Piezoelectric Properties of 0.2PZN-0.8PZT Ceramics

Abstract

Abstract: The effects of manganese addition on the microstructure and piezoelectric properties of 0.2PZN-0.8PZT(PZNT) ceramics were investigated. The results reveal that the lattice
structures of the piezoelectric materials are transformed from the tetragonal phase to the rhombohedral, the grain sizes are enhanced and their Curie temperatures
are lowered with the increasing of manganese. On the other hand, the piezoelectric materials become more hard, ε₃₃^T/ε₀ and tanδ
decreasing but Q_m improving with the additions of manganese. Moreover, the high densification assures K_p out of decreasing.

Key words: manganese doping, PZN-PZT, piezoelectric properties

CLC Number:

TM282

HOU Yu-Dong,YANG Zu-Pei,GAO Feng,QU Shao-Bo,TIAN Chang-Sheng. Effects of Manganese Addition on Piezoelectric Properties of 0.2PZN-0.8PZT Ceramics[J]. Journal of Inorganic Materials.

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Effects of Manganese Addition on Piezoelectric Properties of 0.2PZN-0.8PZT Ceramics

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