Ferroelectric Properties of Sol-Gel Derived Ca1-xSrxBi4Ti4O15 Thin Films


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Ca1-xSrxBi4Ti4O15 thin films were fabricated by sol-gel method on Pt(100)/Ti/SiO2/Si substrates. Influence of Sr content on the microstructure and ferroelectric properties of Ca1-xSrxBi4Ti4O15 thin films were systematically studied. The results indicate that Ca0.4Sr0.6Bi4Ti4O15 thin film has better ferroelectric properties with remanent polarization (2Pr) of 29.1+C/cm2, coercive field (2Ec) of 220 kV/cm. Furthermore, the film has good fatigue resistance. The better ferroelectric properties of Ca0.4Sr0.6Bi4Ti4O15 thin film originate from the relatively high concentration of a-axis oriented grains.



Key Engineering Materials (Volumes 368-372)

Edited by:

Wei Pan and Jianghong Gong




S. H. Fan et al., "Ferroelectric Properties of Sol-Gel Derived Ca1-xSrxBi4Ti4O15 Thin Films", Key Engineering Materials, Vols. 368-372, pp. 100-102, 2008

Online since:

February 2008




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