Thermal expansion properties of PMN–PT ceramics

Wongmaneerung, R.; Guo, Ruyan; Bhalla, A. S.; Yimnirun, Rattikorn; Ananta, Supon

doi:10.1016/j.jallcom.2007.07.086

Cited by 52 publications

(32 citation statements)

References 27 publications

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“…The possible origin of this fluctuation is not clear, but could be attributed to differential calculation error over small temperature range. Similar behavior has also been reported earlier [24,25] in several cases. In addition, thermally generated defects could be considered as another possible origin of this fluctuation [26].…”

Section: Resultssupporting

confidence: 90%

“…The widths of these anomalies depend on the composition of the materials. This behavior is generally not found in the normal ferroelectrics which generally show an abrupt discontinuity (first orders) at the transition temperature and follow the linear relationship above the transition temperature [24]. It is found that, below transition temperature, the nature of thermal strain gradually changes with increasing PZN content.…”

Section: Resultsmentioning

confidence: 79%

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Measurement of thermal strain and total polarization estimation of lead zirconate titanate–lead zinc niobate ceramics

et al. 2012

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Thermal expansion properties have been measured for the ceramic lead zirconate titanate-lead zinc niobate [(1 -x)PZT-(x)PZN] in the temperature range of -100 to ?450°C. For all ceramics examined, the deviations from the straight line below Burns temperature were observed. The dynamic polarization fluctuations in their relaxor compositions are believed to play a role in this deviation. Burns temperature was determined and the local polarization (P d ) was calculated from the thermal expansion data. Various aspects of understanding the polarization behavior and other effects in this ferroelectric system were examined and discussed.

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Section: Resultssupporting

confidence: 90%

Section: Resultsmentioning

confidence: 79%

Measurement of thermal strain and total polarization estimation of lead zirconate titanate–lead zinc niobate ceramics

et al. 2012

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“…44 are (10-12) × 10 −6 K −1 above 250°C, and (3-10) × 10 −6 K −1 below that temperature. 44) The former value is larger than that of STO, which results in the in-plane tensile strain in PMN-xPT. The details of the thermal mismatch cannot be understood simply; however, our XRD results mean that the thermal mismatch and phase transition form the tensile strain in the films, and that the tensile strain becomes larger than the lattice mismatch strain consequently.…”

Section: Methodsmentioning

confidence: 98%

“…Among the early studies, the thermal expansion coefficients reported in Ref. 44 are (10-12) × 10 −6 K −1 above 250°C, and (3-10) × 10 −6 K −1 below that temperature. 44) The former value is larger than that of STO, which results in the in-plane tensile strain in PMN-xPT.…”

Section: Methodsmentioning

confidence: 99%

Strain-induced nanostructure of Pb(Mg_1/3Nb_2/3)O₃–PbTiO₃on SrTiO₃epitaxial thin films with low PbTiO₃concentration

Kiguchi

Fan

Shiraishi

et al. 2017

Jpn. J. Appl. Phys.

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The singularity of the structure in (1 % x)Pb(Mg 1/3 Nb 2/3 )O 3 -xPbTiO 3 (PMN-xPT) (x = 0-50 mol %) epitaxial thin films of 100 nm thickness was investigated from the viewpoint of the localized residual strain in the nanoscale. The films were deposited on SrTiO 3 (STO) (001) single-crystal substrates by chemical solution deposition (CSD) using metallo-organic decomposition (MOD) solutions. X-ray and electron diffraction patterns revealed that PMN-xPT thin films included a single phase of the perovskite-type structure with the cube-on-cube orientation relationship between PMN-xPT and STO: (001) Film k (001) Sub , [100] Film k [100] Sub . X-ray reciprocal space maps showed an in-plane tensile strain in all the compositional ranges considered. Unit cells in the films were strained from the rhombohedral (pseudocubic) (R) phase to a lower symmetry crystal system, the monoclinic (M B ) phase. The morphotropic phase boundary (MPB) that split the R and tetragonal (T) phases was observed at x = 30-35 for bulk crystals of PMN-xPT, whereas the strain suppressed the transformation from the R phase to the T phase in the films up to x = 50. High-angle annular dark field-scanning transmission electron microscopy (HAADF-STEM) analysis and its related local strain analysis revealed that all of the films have a bilayer morphology. The nanoscale strained layer formed only above the film/substrate semi-coherent interface. The misfit dislocations generated the localized and periodic strain fields deformed the unit cells between the dislocation cores from the R to an another type of the monoclinic (M A ) phase. Thus, the singular and localized residual strains in the PMN-xPT/STO (001) epitaxial thin films affect the phase stability around the MPB composition and result in the MPB shift phenomena.

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“…When the thermal expansion coefficient is about 2.0 × 10 − 6 /°C [13], the corresponding thermo-optic coefficient will be calculated easily 1 n ∂n ∂T = 4:5x10 À5 /°C by using the experimental measurement in the Fig. 4.…”

Section: Optical Characteristics Of Transparent Pmnt Ceramicmentioning

confidence: 99%

Optical characteristics of transparent PMNT ceramic and its application at high speed electro-optic switch

Qiao

Gan

et al. 2011

Optics Communications

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Thermal expansion properties of PMN–PT ceramics

Cited by 52 publications

References 27 publications

Measurement of thermal strain and total polarization estimation of lead zirconate titanate–lead zinc niobate ceramics

Measurement of thermal strain and total polarization estimation of lead zirconate titanate–lead zinc niobate ceramics

Strain-induced nanostructure of Pb(Mg_1/3Nb_2/3)O₃–PbTiO₃on SrTiO₃epitaxial thin films with low PbTiO₃concentration

Optical characteristics of transparent PMNT ceramic and its application at high speed electro-optic switch

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Thermal expansion properties of PMN–PT ceramics

Cited by 52 publications

References 27 publications

Measurement of thermal strain and total polarization estimation of lead zirconate titanate–lead zinc niobate ceramics

Measurement of thermal strain and total polarization estimation of lead zirconate titanate–lead zinc niobate ceramics

Strain-induced nanostructure of Pb(Mg1/3Nb2/3)O3–PbTiO3on SrTiO3epitaxial thin films with low PbTiO3concentration

Optical characteristics of transparent PMNT ceramic and its application at high speed electro-optic switch

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Strain-induced nanostructure of Pb(Mg_1/3Nb_2/3)O₃–PbTiO₃on SrTiO₃epitaxial thin films with low PbTiO₃concentration