(Pb,Ca)TiO3∕(Pb,La)TiO3∕(Pb,Ca)TiO3 heterostructure characterized as ferroelectric multifunctional material
作者： Rosalia Poyato , M. Lourdes Calzada , Lorena Pardo
DOI: 10.1063/1.1834981
关键词:
摘要: Ferroelectric thin films are multifunctional materials with applications in a wide range of microelectronic and microelectromechanical devices. The recent investigations on multilayer heterostructures builtup ferroelectric layers different compositions have shown an enhancement the dielectric, ferroelectric, pyroelectric properties respect to single-component films. In this work, structural, (Pb,Ca)TiO3∕(Pb,La)TiO3∕(Pb,Ca)TiO3 heterostructure been studied compared identically prepared (Pb,Ca)TiO3 (Pb,La)TiO3 shows higher dielectric permittivity whole temperature interval up transition temperature, tetragonal distortion films, revealing lower residual stress heterostructure. Optimized achieved heterostructure, maximum values ...
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