The properties of the non-stoichiometric ceramics (1−x)PbMg1/3Nb2/3O3–(x)PbTiO3

Kupriyanov, M. F.; Панич, А. Е.; Skulski, Ryszard

doi:10.1016/s0955-2219(01)00363-6

Cited by 16 publications

(9 citation statements)

References 12 publications

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“…PMN–PT ceramics have been manufactured in different ways, 13–18 including conventional pressureless sintering (CS), microwave sintering, hot pressing, hot‐isostatic pressing (HIP), etc. These techniques lead to different densification behavior and microstructures.…”

Section: Introductionmentioning

confidence: 99%

PMN–PT Ceramics Prepared By Spark Plasma Sintering

Zuo¹,

Granzow²,

Rödel³

2007

Journal of the American Ceramic Society

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(1−x)Pb(Mg1/2Nb2/3)O3−xPbTiO3 (PMN–PT) ceramics of stoichiometric composition were fabricated by conventional pressureless sintering (CS) and spark plasma sintering (SPS). The CS ceramics exhibited a change from relaxor to normal ferroelectric behavior (FE) with increasing PT content. However, low dielectric constants, frequency dispersion, and diffuse phase transition behavior typical for relaxors were obtained for all SPS ceramics. FE and piezoelectric measurements further demonstrated low remanent polarization and strain, high coercive field, and low electromechanical response from SPS materials. Normal dielectric and enhanced FE performance appeared following high‐temperature heat treatment after SPS. The effects of grain size, microstructure, and chemical heterogeneity formed during fast sintering are considered.

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Section: Introductionmentioning

confidence: 99%

PMN–PT Ceramics Prepared By Spark Plasma Sintering

Zuo¹,

Granzow²,

Rödel³

2007

Journal of the American Ceramic Society

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“…Ferroelectric materials such as PZT, PZN-PT, PMN-PT etc. are well known for their excellent piezoelectric properties [1][2][3]. Lead magnesium niobatelead titanate (PMN-PT) system near morphotropic phase boundary (MPB) has attracted the utmost attention because of the excellent dielectric and electromechanical properties [4].…”

Section: Introductionmentioning

confidence: 99%

Structural and Electrostrictive Behaviour in PMN-PT (68:32) Ceramics

et al. 2005

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Single perovskite phase of composition was prepared using highly reactive fumed titania as starting material. The calcination temperature of 700 • C was found to be the optimum temperature for the formation of single perovskite phase in the present system. Experimental density of the material was found to be 94% of the theoretical density. Room temperature dielectric constant (ε ) and dielectric loss (tanδ) of the material at 1 kHz were found to be 2277 and 0.065 respectively. From polarization versus electric field (P-E) hysteresis loop, remanant polarization (P r ) and coercive field (E c ) were found to be ∼22 µC/cm 2 and ∼3.90 kV/cm respectively. Strain versus bipolar electric field (S-E) behaviour showed the development of a giant strain of ∼1%, whereas less hysteresis behaviour in S-E plot of poled samples indicates the suitability of the material for actuator applications.

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“…This can be attributed to the high density and homogeneity of the material [26]. " r increases with increasing temperature and the temperature of maximum " r shifts to the higher temperature side with increasing frequency, which is typical relaxor behavior.…”

Section: Resultsmentioning

confidence: 98%

Study of the structural and electrical properties of PMNT 68/32 ceramic prepared by a sol–gel process

Kumar

Thakur²,

Prakash³

et al. 2005

Phase Transitions

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Lead magnesium niobate titanate, PMNT 68/32, ceramic was prepared by a sol-gel technique using alkoxide precursors. Perovskite phases with mixed structure (rhombohedral and tetragonal) were identified by X-ray diffraction (XRD). A dense and homogeneous distribution of sub-micron-size grains was obtained from a scanning electron microscopy (SEM) study. The dielectric response showed relaxor behavior of the material with a transition temperature of $130 C at 1 kHz. The polarization versus electric field (P-E) hysteresis loop with a remnant polarization, P r , of $28 mC/cm 2 and a coercive field, E c , of $4.2 kV/cm confirmed the ferroelectric nature of the material. The room temperature values of the piezoelectric coefficient, d 33 , and the pyroelectric coefficient, p i , were found to be $300 pC/N and $56 nC/cm 2 K, respectively. The development of high strain with a large hysteresis in the strain versus electric behavior was related to the morphotropic phase boundary (MPB) nature of the material.

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The properties of the non-stoichiometric ceramics (1−x)PbMg1/3Nb2/3O3–(x)PbTiO3

Cited by 16 publications

References 12 publications

PMN–PT Ceramics Prepared By Spark Plasma Sintering

PMN–PT Ceramics Prepared By Spark Plasma Sintering

Structural and Electrostrictive Behaviour in PMN-PT (68:32) Ceramics

Study of the structural and electrical properties of PMNT 68/32 ceramic prepared by a sol–gel process

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