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Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/155

Title: Piezoelectrics by design: A route through short-period Perovskite superlattices
Authors: Das, Hena
Waghmare, Umesh V
Saha-Dasgupta, Tanusri
Issue Date: 2011
Publisher: J. Appl. Phys.
Citation: Hena Das, U. Waghmare and T. Saha-Dasgupta, Piezoelectrics by Design: A route through short-period perovskite superlattices, J. Appl. Phys., 2011, 109, 066107
Abstract: Using first-principles density functional theory, we study piezoelectricity in short-period superlattices made with combinations of ferroelectric and paraelectric components that exhibit polar discontinuities. We show that the piezoelectric response of such a superlattice can be tuned in terms of sign and magnitude by the choice of components. As these superlattices with nonswitchable polarization do not undergo ferroelectric transitions, we predict them to exhibit a robust piezoelectric response with weaker temperature dependence compared to their bulk counterparts.
URI: http://hdl.handle.net/123456789/155
Appears in Collections:2011

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