In this review,the state of the art in understanding the structural phase relations in perovskite-structured BiFeO_(3)-based polycrystalline solid solutions is presented and discussed.Issues about the close relation b...In this review,the state of the art in understanding the structural phase relations in perovskite-structured BiFeO_(3)-based polycrystalline solid solutions is presented and discussed.Issues about the close relation between the structural phase and overall physical properties of the reviewed systems are pointed out and discussed.It is shown that,by adjusting the structural symmetric arrangement,the ferroelectric and magnetic properties of BiFeO_(3)-based polycrystalline solid solutions can be tuned to find specific multifunctional applications.However,an intrinsic mechanism linking structural arrangement and physical properties cannot be identified,revealing that this subject still deserves further discussion and investigation.展开更多
基金The authors would like to thank the Brazilian Agency Funding CNPq(Proc.476964/2009-1 and 552900/2009-5)CAPES(Procad 082/2007)Fundação Araucária de Apoio ao Desenvolvimento Científico do Paraná(Prots.22825 and 22870)for financial support.
文摘In this review,the state of the art in understanding the structural phase relations in perovskite-structured BiFeO_(3)-based polycrystalline solid solutions is presented and discussed.Issues about the close relation between the structural phase and overall physical properties of the reviewed systems are pointed out and discussed.It is shown that,by adjusting the structural symmetric arrangement,the ferroelectric and magnetic properties of BiFeO_(3)-based polycrystalline solid solutions can be tuned to find specific multifunctional applications.However,an intrinsic mechanism linking structural arrangement and physical properties cannot be identified,revealing that this subject still deserves further discussion and investigation.
