Effect of Nickel Doping on Dielectric, Piezoelectric Properties and Domain Configurations of PZT Based Ceramics

Abstract:

The aims of present study were investigated the effect of nickel doping on the dielectric and piezoelectric properties of P(BN)ZT solid solution. P(BN)ZT powder doped with nickel nanoparticle in the composition of (1-x) PBNZT–xNi when x = 0, 2, 4, 6, 8 and 10 percent by mole. P(BN)ZT doped with nickel powder were calcined at 900 °C for 2 h and sintered at the temperature range of 1150 -1250°C for 2 h with heating/cooling rate of 5 °C/min. The dielectric constant (e_r) and the dielectric loss tangent (tand) of all ceramics were measured at room temperature using LCR meter. The piezoelectric properties (d₃₃) were measured at room temperature using d₃₃ meter. The micro and nano-domain structure was clearly observed by piezo-response force microscopy (PFM). From the results, it can be seen that the dielectric and piezoelectric decreased with increasing Ni particle of all composition (0.0-0.1 mol%). Moreover, PFM images show that the micro (180°) and nano (90°) domain are orientated at the surface region in submicron-scale of P(BN)ZT ceramics with doped nickel nanoparticle.

• Periodical: Materials Science Forum (Volume 883)
• Pages: 27-31
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.883.27
• Online since: January 2017
• Authors: Nittaya Jaitanong*, Hua Rong Zeng, Guo Rong Li, Qing Rui Yin, Arnon Chaipanich
• Keywords: Dielectric Properties, Domain Configuratios, Ni, Piezoelectric Properties, PZT Based

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