Journal
ADVANCED MATERIALS
Volume 19, Issue 23, Pages 4153-+Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.200700965
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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.
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