Switching dynamics in ferroelectric superlattices
Dynamics of polarization switching in a superlattice, consisting of alternating ferroelectric and parelectric layers, is studied by the Landau Khalatnikov equation. The dependence of switching time on the dielectric stiffness of the paraelectric layer, interface coupling and layer thicknesses is exa...
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| Format: | Article |
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Elsevier
2011
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| author | Chew, Khian Hooi Iwata, M. Ong, L.H. |
| author_facet | Chew, Khian Hooi Iwata, M. Ong, L.H. |
| author_sort | Chew, Khian Hooi |
| collection | UM |
| description | Dynamics of polarization switching in a superlattice, consisting of alternating ferroelectric and parelectric layers, is studied by the Landau Khalatnikov equation. The dependence of switching time on the dielectric stiffness of the paraelectric layer, interface coupling and layer thicknesses is examined in detail. The spatial distribution of polarizations at different time in switching is illustrated. The results are discussed with those obtained using the model as proposed by Qu et al. [B.D. Qu, W.L. Zhong and R.H. Prince, Phys. Rev. B 55, 11218 (1997)]. Our results show that the two models give a similar qualitative description of switching dynamics. (C) 2010 Elsevier B.V. All rights reserved. |
| first_indexed | 2024-03-06T05:20:49Z |
| format | Article |
| id | um.eprints-8234 |
| institution | Universiti Malaya |
| last_indexed | 2024-03-06T05:20:49Z |
| publishDate | 2011 |
| publisher | Elsevier |
| record_format | dspace |
| spelling | um.eprints-82342019-03-13T04:37:09Z http://eprints.um.edu.my/8234/ Switching dynamics in ferroelectric superlattices Chew, Khian Hooi Iwata, M. Ong, L.H. QC Physics Dynamics of polarization switching in a superlattice, consisting of alternating ferroelectric and parelectric layers, is studied by the Landau Khalatnikov equation. The dependence of switching time on the dielectric stiffness of the paraelectric layer, interface coupling and layer thicknesses is examined in detail. The spatial distribution of polarizations at different time in switching is illustrated. The results are discussed with those obtained using the model as proposed by Qu et al. [B.D. Qu, W.L. Zhong and R.H. Prince, Phys. Rev. B 55, 11218 (1997)]. Our results show that the two models give a similar qualitative description of switching dynamics. (C) 2010 Elsevier B.V. All rights reserved. Elsevier 2011 Article PeerReviewed Chew, Khian Hooi and Iwata, M. and Ong, L.H. (2011) Switching dynamics in ferroelectric superlattices. Current Applied Physics, 11 (3). pp. 755-761. ISSN 1567-1739, DOI https://doi.org/10.1016/j.cap.2010.11.058 <https://doi.org/10.1016/j.cap.2010.11.058>. http://www.sciencedirect.com/science/article/pii/S1567173910004220 doi:10.1016/j.cap.2010.11.058 |
| spellingShingle | QC Physics Chew, Khian Hooi Iwata, M. Ong, L.H. Switching dynamics in ferroelectric superlattices |
| title | Switching dynamics in ferroelectric superlattices |
| title_full | Switching dynamics in ferroelectric superlattices |
| title_fullStr | Switching dynamics in ferroelectric superlattices |
| title_full_unstemmed | Switching dynamics in ferroelectric superlattices |
| title_short | Switching dynamics in ferroelectric superlattices |
| title_sort | switching dynamics in ferroelectric superlattices |
| topic | QC Physics |
| work_keys_str_mv | AT chewkhianhooi switchingdynamicsinferroelectricsuperlattices AT iwatam switchingdynamicsinferroelectricsuperlattices AT onglh switchingdynamicsinferroelectricsuperlattices |