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Pt-ion-implantation-induced suppression of leakage conduction in Pt/Pb(ZrxTi1-x)O-3/Pt capacitors

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Poling of pyroelectric thin films

Paul Muralt, Andreas Seifert

Poling of calcium and zirconium modified lead titanate pyroelelectric thin films has been studied, Poling temperature and electrical field were optimized to achieve high figure of merits. It was found that thermal activation is important to obtain highly p ...

1998

Evidence of domain wall contribution to the dielectric permittivity in PZT thin films at sub-switching fields

Dragan Damjanovic

Through the use of relations analogous to that of the Rayleigh law, it is demonstrated that the ac electric field dependence of the permittivity of ferroelectric thin films can be described. It is further shown that both reversible and irreversible compone ...

1997

The scenarios of the size effects which may account for the difference in the switching properties of ferroelectric thin films and bulk ferroelectrics are critically reviewed. It is shown that the two often used models (the Janovec-Kay-Dunn surface nucleat ...

1997

Identification of Passive Layer in Ferroelectric Thin-Films from Their Switching Parameters

Nava Setter, Alexander Tagantsev, Enrico Colla

The switching of the sandwich structure ''ferroelectric+thin dielectric layer'' is theoretically studied. The behavior of the remanent polarization, P-r, coercive field, E(c), maximal polarization on the loop, P-s, and the slope of the hysteresis loop at E ...

1995

Investigation of Pb(Zr0.70Ti0.30)O-3 thin films of different textures on Ti/Pt electrodes

Nava Setter

Pb(Zr0.70Ti0.30)O-3 rhombohedral thin films of (100), (110)/(111) and (111) textures were prepared on Si wafers with Ti/Pt electrodes. Microstructures and textures were characterized by XRD, SEM, TEM, and AFM. Ferroelectric, dielectric and fatigue properti ...

1995

Dielectric properties of perovskites with polar disorder (K1-xLix TaO3 and Pb[Mg1/3Nb2/3]O3) and of SrTiO3 films

Dielectric properties of perovskites are studied both to gain insight into fundamental aspects of the freezing of polar disorder, and to investigate their technological potential. The dynamics of freezing of polar disorder is investigated in single crystal ...

EPFL1994