[en] The polarization of PbTiO3/SrTiO3 superlattices is experimentally tuned from 0-60 mu C/cm(-2) and the transition temperature from room temperature to 1000 K while maintaining a perfect crystal structure and low leakage currents (see figure). A simple model based on Landau theory is developed as a guide for the straightforward production of samples with ferroelectric properties designed for particular applications.
Disciplines :
Chemistry Materials science & engineering Physics
Author, co-author :
Dawber, Matthew
Stucki, Nicolas
Lichtensteiger, Celine
Gariglio, Stefano
Ghosez, Philippe ; Université de Liège - ULiège > Département de physique > Physique théorique des matériaux
Triscone, Jean*-Marc
Language :
English
Title :
Tailoring the properties of artificially layered ferroelectric superlattices
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