Influence of Compositional Variation on the Electrical Properties of [Pb(Zn1/3Nb2/3)O3]-[Pb(Zr,Ti)O3] Ceramics and Their Transducer Application

Influence of Compositional Variation on the Electrical Properties of [Pb(Zn1/3Nb2/3)O3]-[Pb(Zr,Ti)O3] Ceramics and Their Transducer Application

The ternary system of x[Pb(Zn 1/3 Nb 2/3 O 3 . (<inline-formula> <tex-math notation="LaTeX">1 - x </tex-math></inline-formula>)[Pb(Zr y Ti 1- y )O 3 ] composition with "<inline-formula> <tex-math notation="LaTeX">x </tex-math></in...

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Bibliographic Details
Published in:IEEE transactions on ultrasonics, ferroelectrics, and frequency control Vol. 65; no. 7; pp. 1268 - 1277
Main Authors: Kaya, Mustafa Yunus, Mensur-Alkoy, Ebru, Gurbuz, Aysel, Oner, Mehmet, Alkoy, Sedat
Format: Journal Article
Language:English
Published: United States IEEE 01-07-2018
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects:
Ceramics
Composition
Coupling coefficients
Crystals
Dielectric properties
Dielectrics
Electrical properties
Electrodes
Electromechanical properties
Electronic mail
Ferroelectric materials
Ferroelectricity
Hemispherical shells
Lead
lead zinc niobate–lead zirconate titanate (PZN–PZT)
Lead zirconate titanates
Perovskites
phase transformation
Piezoelectricity
Spherical shells
Ternary systems
Transducers
Zirconium
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Summary:The ternary system of x[Pb(Zn 1/3 Nb 2/3 O 3 . (<inline-formula> <tex-math notation="LaTeX">1 - x </tex-math></inline-formula>)[Pb(Zr y Ti 1- y )O 3 ] composition with "<inline-formula> <tex-math notation="LaTeX">x </tex-math></inline-formula>" varying from 0.1 to 0.6 with interval of 0.1 and "<inline-formula> <tex-math notation="LaTeX">y </tex-math></inline-formula>" varying from 0.46 to 0.52 with interval of 0.01 was studied. The main objective was to maximize the dielectric and electromechanical properties through compositional variation and then to establish the full property matrix of the optimized composition for further analysis and device applications. Ceramics with pure perovskite phase have been produced in the entire compositional range that was investigated. The highest ferroelectric and electromechanical properties were obtained at the 0.4[Pb(Zn 1/3 Nb 2/3 )O 3 -0.6[Pb(Zr 0.48 Ti 0.52 )O 3 ]-(0.4 PZN-0.6 PZT) composition with remanent polarization (<inline-formula> <tex-math notation="LaTeX">2\text{P}_{r} </tex-math></inline-formula>) of <inline-formula> <tex-math notation="LaTeX">74~\mu \text{C} </tex-math></inline-formula>/cm 2 , piezoelectric charge coefficient (d 33 ) of 465 pC/N, and electromechanical coupling coefficients (<inline-formula> <tex-math notation="LaTeX">k_{p} </tex-math></inline-formula>, <inline-formula> <tex-math notation="LaTeX">k_{t} </tex-math></inline-formula>, and <inline-formula> <tex-math notation="LaTeX">k_{33} </tex-math></inline-formula>) of 0.67, 0.52, and 0.77, respectively. Full property matrix for 0.4 PZN-0.6 PZT was obtained and was used as input in the finite-elements analysis of ceramics in disc and hemispherical shell form. Hollow spherical omnidirectional transducers were fabricated from the lead zinc niobate-lead zirconate titanate (PZN-PZT) ceramics as a device prototype, and underwater characteristics have been determined and reported for these transducers.
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ISSN:0885-3010
1525-8955
DOI:10.1109/TUFFC.2018.2829800