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|Title:||Transverse-mode properties of -poled Pb(Zn1/3Nb 2/3)O3-PbTiO3 single crystals: Effects of composition, length orientation, and poling conditions||Authors:||Rajan, K.K.
Relaxor single crystals
Transverse piezoelectric constants
|Issue Date:||8-Feb-2007||Citation:||Rajan, K.K., Jin, J., Chang, W.S., Lim, L.-C. (2007-02-08). Transverse-mode properties of -poled Pb(Zn1/3Nb 2/3)O3-PbTiO3 single crystals: Effects of composition, length orientation, and poling conditions. Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers 46 (2) : 681-685. ScholarBank@NUS Repository. https://doi.org/10.1143/JJAP.46.681||Abstract:||The poling responses of -poled Pb(Zn1/3Nb 2/3)O3-PbTiO3 [PZN-PT] single crystals of a range of compositions and two length orientations have been investigated. The results show that -poled PZN-PT single crystals of -length-cut exhibit much superior transverse properties than [011̄]-length-cut crystals. Extremely high d31 values of -(3000-4000) pC/N and k31 ∼ 0.90-0.96 were obtained for PZN-7%PT optimally -poled crystals. This composition, however, shows degraded dielectric and piezoelectric properties when poled at ≥0.6kV/mm. In contrast, PZN-4.5%PT and PZN-6%PT single crystals show no signs of overpoling even when poled up to 2.0kV/mm, exhibiting d 31 ≈ -(2700-3200) pC/N and k31 ∼ 0.90-0.92 (for PZN-6%PT) and d31 ≈- 1500 pC/N and k31 ∼ 0.86-0.90 (for PZN-4.5%PT), respectively. The presence of certain amounts (i.e., 10-15%) of orthorhombic phase in a rhombohedral matrix has been found to be responsible for the superior transverse piezoelectric properties of optimally -poled PZN-(6-7)%PT. © 2007 The Japan Society of Applied Physics.||Source Title:||Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers||URI:||http://scholarbank.nus.edu.sg/handle/10635/85806||ISSN:||00214922||DOI:||10.1143/JJAP.46.681|
|Appears in Collections:||Staff Publications|
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