Compositional inhomogeneity of (Ba, Pb)TiO3 crystals

Perry, F.W.; Hutchins, Gudrun A.

doi:10.1016/0025-5408(67)90080-3

Cited by 8 publications

(3 citation statements)

References 3 publications

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“…EMP-analysis revealed an inhomogeneous distribution of the incorporated Mn ions, reflecting the growth behaviour of the crystals [26]. However, aftef sawing, etching and tempering, crystals showing an almost homogeneous distribution have been obtained.…”

Section: Chemical Compositionmentioning

confidence: 95%

The nature of domain stabilization in ferroelectric perovskites

Lambeck

Jonker

1986

Journal of Physics and Chemistry of Solids

267

210

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Abstract-Ferroelectric perovskites, such as Pb(Ti,Zr)O, and BaTiO,, are subject to ageing effects, caused by a gradual stabilization of the ferroelectric domain structure. We studied the development of this stabilization in Mn-doped BaTiO, monocrystals having a special kind of domain structure. We concluded from measurements of the growth of the internal bias field E, and the change of the sideways 180" domain-wall mobility with time, that the fairly strong stabilization in this material originates from volume effects, which implies a gradual reorientation of polar defects with respect to the direction of the spontaneous polarization, both 180" domain-wall pinning and surface-layer effects being completely absent. A proposal is made about the nature of these defects.

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Section: Chemical Compositionmentioning

confidence: 95%

The nature of domain stabilization in ferroelectric perovskites

Lambeck

Jonker

1986

Journal of Physics and Chemistry of Solids

267

210

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“…For example, the writer has obtained very satisfactory results in the analysis of PbxBal-x Ti03 crystals using PbTi03 and BaTi03 standards. (147) However, an analysis of PbTi03 relative to metallic lead and titanium was very poor; both the lead and titanium concentrations calculated by the procedures in Section 2.3 were several percent too high. Known oxides or minerals are commonly used as standards for geological specimens.…”

Section: Oxides and Glassesmentioning

confidence: 99%

Electron Probe Microanalysis

Hutchins¹

1979

Surface and Colloid Science

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“…Pb 2+ is a well-known substitution for Ba 2+ ion which monotonically increases T c towards Curie temperature of PbTiO 3 (490°C) while the other two transition temperatures shift towards lower temperature. Thus, substitution of Pb 2+ results in decrease in room temperature dielectric constant and greater temperature stability in the dielectric behaviour (Perry et al 1967;Pilgrim et al 1990). This makes the Pb-substituted BZT (10/90) material suitable for more applications.…”

Section: Introductionmentioning

confidence: 99%

Dielectric behaviour of Pb-substituted BZT ceramics

Kumar

Singh²,

Juneja

et al. 2011

Bull Mater Sci

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Material series with compositional formula Ba 1⋅0-x Pb x Ti 0⋅90 Zr 0⋅10 O 3 (0 ≤ x ≤ 0⋅20, in steps of 0⋅05) were prepared by conventional solid state method. All the samples were subjected to X-ray diffraction (XRD) studies and found to be single phase with perovskite structure. SEM measurements were done in order to collect micro-structural information. Different transition temperatures were found to depend on the Pb content. Tetragonality (c/a) and Curie temperature (T c) increase with increase in lead content x. Dielectric properties were studied as a function of temperature and frequencies.

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Compositional inhomogeneity of (Ba, Pb)TiO3 crystals

Cited by 8 publications

References 3 publications

The nature of domain stabilization in ferroelectric perovskites

The nature of domain stabilization in ferroelectric perovskites

Electron Probe Microanalysis

Dielectric behaviour of Pb-substituted BZT ceramics

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