Belhadi, Jamal, yousfi, said, El-Marssi, Mimoun, Arnold, Donna, Bouyanfif, Houssny (2020) Tailoring the photovoltaic effect in (111) oriented BiFeO\(_3\)/LaFeO\(_3\) superlattices. Journal of Physics: Condensed Matter, 32 . Article Number 135301. ISSN 0953-8984. (doi:10.1088/1361-648X/ab5e11) (KAR id:79311)
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Official URL: https://dx.doi.org/10.1088/1361-648X%2Fab5e11 |
Abstract
Ferroelectric and photovoltaic properties of (BiFeO\(_3\))\(_{(1-x)Λ}\)/(LaFeO\(_3\))\(_{xΛ}\) superlattices grown by pulsed laser deposition have been investigated (Λ being the bilayer thickness). For a high concentration of BiFeO\(_3\) a ferroelectric state is observed simultaneously with a switchable photovoltaic response. In contrast for certain concentration of LaFeO\(_3\) a non-switchable photovoltaic effect is evidenced. Such modulation of the PV response in the superlattices is attributed to the ferroelectric to paraelectric phase transition which is controlled with the increase of x. Remarkably, concomitant to this change of PV mechanism, a change of the conduction mechanism also seems to take place from a bulk-limited to an interface-limited
transport as x increases.
Item Type: | Article |
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DOI/Identification number: | 10.1088/1361-648X/ab5e11 |
Subjects: | Q Science > QC Physics |
Divisions: | Divisions > Division of Natural Sciences > Physics and Astronomy |
Depositing User: | Donna Arnold |
Date Deposited: | 16 Dec 2019 12:11 UTC |
Last Modified: | 09 Dec 2022 03:55 UTC |
Resource URI: | https://kar.kent.ac.uk/id/eprint/79311 (The current URI for this page, for reference purposes) |
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