The structural phase transitions in lead zirconate in super-high electric fields

Fesenko, O. E.; Kolesova, R. V.; Sindeyev, Yu. G.

doi:10.1080/00150197808237203

Cited by 95 publications

(75 citation statements)

References 3 publications

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“…The observed enhanced dielectric and piezoelectric properties around x 0.030 might suggest an exact location of a MPB separating the rhombohedral FE and orthorhombic AFE phases at this composition, as also proposed by Ishchuk et al [16]. However, the existence of other phases as monoclinic in the Pc, Pm, Cc, space groups have been postulated earlier on the basis of electron diffraction patterns, located close to the AFEeFE phase boundary [34,35]. The presence of such a low symmetry phase is another possible explanation of the enhance ment of piezoelectric and dielectric properties for PLZT 3/90/10 composition.…”

Section: Resultsmentioning

confidence: 66%

Preparation and properties of La doped PZT 90/10 ceramics across the ferroelectric–antiferroelectric phase boundary

Ciuchi

Craciun

Mitoşeriu

et al. 2015

Journal of Alloys and Compounds

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Section: Resultsmentioning

confidence: 66%

Preparation and properties of La doped PZT 90/10 ceramics across the ferroelectric–antiferroelectric phase boundary

Ciuchi

Craciun

Mitoşeriu

et al. 2015

Journal of Alloys and Compounds

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“…The existence of a ferroelectric rhombohedral phase on a narrow range of temperature (503-506 K upon heating and 505-500 K upon cooling) between the paraand antiferroelectric phases was confirmed later [41][42][43] and a detailed study of the phase transitions by combined X-ray diffraction, dielectric and birefringence measurements determined the displacement of lead atoms (described by Kittel's theory of antiferroelectricity [44]) as well as the oxygen octahedra rotation [45]. The possibility to induce a ferroelectric phase thanks to (high) electric fields in the nominally antiferroelectric phase of PbZrO 3 was reported and the electric field-temperature phase diagram for PbZrO 3 established by Fesenko et al [46]. The energetics and structural instabilities of lead zirconate have also been computed recently, underlying the small energy difference between the antiferroelectric and the ferroelectric phases [47] estimated quantitatively in the 50s [48].…”

Section: Temperature-composition Phase Diagrammentioning

confidence: 71%

Strain on ferroelectric thin films

Janolin

2009

J Mater Sci

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Strain engineering aims to take advantage of the stress field imposed by substrates on thin films. It requires an understanding of the consequences of stress fields on the physical properties of the deposited materials. This is achieved in ferroelectric thin films through the use of misfit-strain phase diagrams that show the stability regions for the possible phases. These encompass bulk phases as well as new ones exhibiting symmetries that are not present in the bulk. For the solid solution lead zirconate-lead titanate, Pb(Zr 1-x Ti x )O 3 , monoclinic phases found in the bulk morphotropic phase boundary region and associated to concentrations exhibiting the highest properties can be stabilized on a wider range of composition in thin films. In addition, phases of lower symmetry can be stabilized through the use of anisotropic biaxial stress fields, generated by orthorhombic substrates for example. Another crucial aspect of the influence of biaxial stress fields is the generation of domain structures. Theoretical tools as well as experimental verifications have provided much insight on the underlying physics. We, therefore, present here an overview of the influence of both iso-and anisotropic biaxial stress fields on the structures and properties of ferroelectric thin films exemplified on Pb(Zr 1-x Ti x )O 3 .

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“…During this transition the crystallography of PZO changes from orthorhombic to rhombohedral. [37] In addition, at temperatures between 4 K and room temperature, in PZO films of certain crystallographic orientations a ferroelectric polarization was found in addition to the normal antiferroelectric properties. [38] Then, a first attempt to grow epitaxial PZO/PZT multilayers, using the tetragonal PZT 20/80 composition, showed that some variation of the crystallographic orientation of PZT during growth occurred due to the rather large lattice mismatches involved at the different interfaces.…”

Section: Antiferroelectric-ferroelectric Multilayers and Superlatticesmentioning

confidence: 99%

Functional Perovskites – From Epitaxial Films to Nanostructured Arrays

Vrejoiu¹,

Alexe²,

Hesse³

et al. 2008

Adv Funct Materials

116

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Functional perovskite materials gain increasing significance due to their wide spectrum of attractive properties, including ferroelectric, ferromagnetic, conducting and multiferroic properties. Due to the developments of recent years, materials of this type can conveniently be grown, mainly by pulsed laser deposition, in the form of epitaxial films, multilayers, superlattices, and well‐ordered arrays of nanoislands. These structures allow for investigations of preparation–microstructure–property relations. A wide variation of the properties is possible, determined by strain, composition, defect contents, dimensional effects, and crystallographic orientation. An overview of our corresponding work of recent years is given, particularly focusing on epitaxial films, superlattices and nanoisland arrays of (anti)ferroelectric and multiferroic functional perovskites.

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The structural phase transitions in lead zirconate in super-high electric fields

Cited by 95 publications

References 3 publications

Preparation and properties of La doped PZT 90/10 ceramics across the ferroelectric–antiferroelectric phase boundary

Preparation and properties of La doped PZT 90/10 ceramics across the ferroelectric–antiferroelectric phase boundary

Strain on ferroelectric thin films

Functional Perovskites – From Epitaxial Films to Nanostructured Arrays

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