Breakthroughs can be expected in multi-component ceramics by adjusting the phase assembly and the micro–nanostructure.Controlling the architecture of multi-materials at different scales is still challenging and provi...Breakthroughs can be expected in multi-component ceramics by adjusting the phase assembly and the micro–nanostructure.Controlling the architecture of multi-materials at different scales is still challenging and provides a great opportunity to broaden the range of functionalities in the field of ferroelectric-based ceramics.We used the potentialities of Spark Plasma Sintering(SPS)to control a number of key parameters regarding the properties:anisotropy,interfaces,grain size and strain effects.The flexibility of the wet and supercritical chemistry routes associated with the versatility of SPS allowed designing newferroelectric composite ceramics at different scales.These approaches are illustrated through various examples based on our work on ferroelectric/dielectric composites.展开更多
基金Financial support from the French National Center for Scientific Research(CNRS),the Conseil Regional d'Aquitaine,and the National Research Agency(ANR)(Projects NANO4F(ANR-05-JCJC-0169)ARCHIFUN(ANR-12-BS08–009)are gratefully acknowledged.
文摘Breakthroughs can be expected in multi-component ceramics by adjusting the phase assembly and the micro–nanostructure.Controlling the architecture of multi-materials at different scales is still challenging and provides a great opportunity to broaden the range of functionalities in the field of ferroelectric-based ceramics.We used the potentialities of Spark Plasma Sintering(SPS)to control a number of key parameters regarding the properties:anisotropy,interfaces,grain size and strain effects.The flexibility of the wet and supercritical chemistry routes associated with the versatility of SPS allowed designing newferroelectric composite ceramics at different scales.These approaches are illustrated through various examples based on our work on ferroelectric/dielectric composites.
