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Reduced elastic nonlinearity in Mn modified 0.6(Bi0.9La0.1)FeO3-0.4Pb (Ti, Mn)O-3 high power piezoceramics
Shi, G; Feng, L; Bu, S; Ruan, W; Li, G; Yang, T; Cheng, J
2012
Source PublicationSMART MATERIALS AND STRUCTURES
ISSN0964-1726
Volume21Issue:6
Abstract0.6(Bi0.9La0.1)FeO3-0.4Pb(Ti1-xMnx)O-3 (BLF-PTM) piezoelectric ceramics with different Mn contents were fabricated by a sol-gel process combined with a solid-state reaction method. Coexistence of rhombohedral and tetragonal phases is detected in BLF-PTM. An asymmetric P-E loop with a large internal dipolar field of >20 kV cm(-1) is observed in the poled BLF-PTM ceramics of x = 0.01 and 0.02, which is the typical characteristic of hard piezoelectric materials for higher power applications. The dielectric loss, planar coupling coefficient k(p), mechanical quality factor Q(m), vibration velocity, and Curie temperature of 0.006, 0.338, 418, 1.1 m s(-1), and 470 degrees C have been achieved for BLF-PTM with x = 0.01. Furthermore, the elastic nonlinear phenomena in BLF-PTM are investigated by measuring the vibration strain at high electric fields. Upon using Mn doping, BLF-PTM exhibits a large vibration strain and a small resonance frequency shift. The nonlinear elastic compliance of BLF-PTM for x = 0.01 and 0.02 was dramatically decreased by about two orders of magnitude compared to that of BLF-PT for x = 0.
Language英语
Funding Project应物所项目组
WOS IDWOS:000305286400020
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/13279
Collection中科院上海应用物理研究所2011-2019年
Recommended Citation
GB/T 7714
Shi, G,Feng, L,Bu, S,et al. Reduced elastic nonlinearity in Mn modified 0.6(Bi0.9La0.1)FeO3-0.4Pb (Ti, Mn)O-3 high power piezoceramics[J]. SMART MATERIALS AND STRUCTURES,2012,21(6).
APA Shi, G.,Feng, L.,Bu, S.,Ruan, W.,Li, G.,...&Cheng, J.(2012).Reduced elastic nonlinearity in Mn modified 0.6(Bi0.9La0.1)FeO3-0.4Pb (Ti, Mn)O-3 high power piezoceramics.SMART MATERIALS AND STRUCTURES,21(6).
MLA Shi, G,et al."Reduced elastic nonlinearity in Mn modified 0.6(Bi0.9La0.1)FeO3-0.4Pb (Ti, Mn)O-3 high power piezoceramics".SMART MATERIALS AND STRUCTURES 21.6(2012).
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