Dynamics of ferroelectric polarization and internal electric field in PbTiO3/SrTiO3 superlattices
Document Type
Article
Publication Date
12-1-2021
Abstract
We study the dynamics of polarization and internal electric field in the PbTiO3/SrTiO3 (PT/ST) superlattices using the Landau-Khalatnikov equation. Apart from the polarization hysteresis loop, the hysteresis loop of the internal electric field is also observed. The effects of thickness ratio and temperature on the switching dynamics of superlattices are investigated. We found that the dynamics of polarization switching is directly correlated with the internal electric field. The change of sign in the internal electric field implies the occurrence of polarization switching in the ferroelectric superlattices.
Keywords
Ferroelectrics, Superlattices, Landau-Khalatnikov
Divisions
Science
Funders
Ministry of Education, Malaysia[FRGS/1/2018/STG02/USMC/03/1]
Publication Title
Ferroelectrics
Volume
586
Issue
1
Publisher
Taylor & Francis