Results 61 to 70 of about 114 (110)

Voltage stable PLZT ceramics

Ferroelectrics, 1981
Abstract PLZT compositions 8/80/20, 10/75/25 and 12/70/30 were modified by the replacement of Pb by 5Ba + 5Ca, 2Ba + 3Ca, and 2.5Ba + 1Ca (%) respectively to yield optimum dielectric properties: ϵRT = 2000-2900, ϵmax = 2200-2900, ΔC/C = ± 8% when a DC bias field of 40 KV/cm is applied. The data suggest that the compositions are biphasic in nature.
S. Bhattacharjee, E. C. Subbarao
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Stereoscopic viewing with PLZT ceramics

Ferroelectrics, 1976
Abstract A new electro-optic shutter viewing device is described for use with stereoscopic real-time television and computer-driven CRT display systems. The high speed electronic shutters employ lead lanthanum zirconate titanate (PLZT) ferroelectric ceramics.
John Roese, Aida Khalafalla
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Are PLZT ceramics “superparaelectric” compounds?

Ferroelectrics, 1994
Abstract X-ray diffraction, Raman scattering and dielectric susceptibility experiments have been performed on PLZT 9/65/35 as a function of temperature. The correlation function of the polarization is shown to increase when the temperature is decreased from 800 K, but the system freezes before achieving a long range ferroelectric order.
R. Farhi, J-L. Dellis, J. Dallennes, J-L. Carpenter, G. Calvarin, A. Morell   +5 more
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Poling strategy of PLZT ceramics

Ferroelectrics, 1984
Abstract The best conditions of poling are reported for PLZT 8/65/35 and 12/40/60 ceramics. Selection of different poling parameters has been studied as well as their influence on aging. Results are in accordance with the classical concept of domain switching.
J. Mendiola, C. Alemany, B. Jimenez, E. Maurer   +3 more
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Holographic storage and photoconductivity in PLZT ceramic materials

Applied Optics, 1976
The dynamics of holographic recording in quadratic electrooptic materials are analyzed. High optical quality PLZT ceramic is found to conform to the behavior predicted for quadratic materials. The operation of PLZT as a holographic store and as a photoconductor is studied, and mechanisms that limit the material sensitivity are postulated.
J W, Burgess, R J, Hurditch, C J, Kirkby, G E, Scrivener   +3 more
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Aging of Strontium Barium Niobate and PLZT Ceramic

Physica Status Solidi (a), 1980
SBN 75 and PLZT 8/65/35, two ferroelectrics with different structure and symmetry which exhibit diffused phase transition, show similar aging effects: a lessening of the dielectric losses and of the dielectric dispersion by lowering the low-frequency dielectric constant (DC), a doubling of the hysteresis loop within the slim loop region, a lowering of ...
G. Borchhardt, J. von Cieminski, G. Schmidt   +2 more
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PLZT ceramic numeric display devices

1974 International Electron Devices Meeting (IEDM), 1974
The longitudinal fringe-field electrooptic effect in slim-loop lead lanthanum zirconate titanate (PLZT) ceramics offers the best known possibility of using ferroelectric ceramics for low-voltage, high-contrast numeric and alphanumeric display devices. Such devices appear feasible using either transmitted or reflected ambient light.
C. E. Land, W. D. Smith
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Microstructure of organometallic derived PLZT ceramics

Journal of the European Ceramic Society, 2001
The PLZT powders with the formula Pb 0.905 La 0.095 (Zr 0.65 Ti 0.35 ) 0.976 O 3 + 3.5 wt.% PhO were prepared by the organometallic precursor method (Pechini and partial oxalate processes). The microstructure of sintered 9.5/65/35 PLZT ceramics obtained from a partial oxalate procedure shows that the outstanding feature of this microstructure is its ...
Stojanovic, B. D., Foschini, C. R., Zaghete, M. A., Cilense, M., Cavalheiro, A. A., Paiva-Santos, C. O., Varela, José Arana   +6 more
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The shape-memory effect in PLZT ceramics

Ferroelectrics, 1981
Abstract The shape-memory effect has been investigated in ferroelectric-ferroelastic PLZT ceramic samples of composition 6.5/65/35 by bending and twisting experiments and temperature cycling. The effect of an electric field on the shape memory produced by bending is also examined. During the course of these experiments some additional evidence was also
V. K. Wadhawan, M. C. Kernion, T. Kimura, R. E. Newnham   +3 more
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Some special properties of PLZT ceramics

Ferroelectrics, 1978
The increase of the elastic compliance s11 of PLZT during cooling through Tc is discussed in terms of the model developed by Smolensky et al. for ferroelectrics with diffuse phase transition. The decrease of s11 and of the mechanical quality with increasing biasing field strength above Tc, as well as some peculiarities during polarization reversal ...
G. Schmidt, H. Beige, G. Borchhardt, J. V. Cieminski, R. Rossbach   +4 more
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