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Integrated Ferroelectrics
An International Journal
Volume 131, 2011 - Issue 1
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Original Articles

Interface Engineered Ferroelectric BaTiO3//SrTiO3 Heterostructures with Anomalous Clamped Polarization on Si (100)

, , , , , , , , , , & show all
Pages 89-94 | Received 25 Jun 2011, Published online: 16 Dec 2011
 

Abstract

Ferroelectric BaTiO3//SrTiO3 multilayered thin films were successfully grown on Si (100) substrates. Microstructure investigations reveal that the films have clear multilayered interface structures. A new piezoelectric phenomenon was discovered in which the clamped polarization domains can be adjusted by the periodicity of the layers. Such periodicity control can be used as a new device concept for designing and fabricating novel nanomechanical devices.

Acknowledgments

This research was partially supported by the National Science Foundation under NSF-NIRT-0709293 and NSF-DMR-0934218. Also, Mr. Ming Liu and Ms. Chunrui Ma would like to acknowledge the support from the “China Scholarship Council” for their Ph.D. researches at UTSA.

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