Periodicity dependence of the ferroelectric properties in BiFeO3∕SrTiO3 multiferroic superlattices
1
Laboratoire CRISMAT , CNRS UMR 6508, ENSICAEN, 6 Bd Maréchal Juin, 14050 Caen Cedex, France
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Publication type: Journal Article
Publication date: 2007-11-26
scimago Q1
wos Q2
SJR: 0.896
CiteScore: 6.1
Impact factor: 3.6
ISSN: 00036951, 10773118
Physics and Astronomy (miscellaneous)
Abstract
Artificial superlattices of (BiFeO3)m(SrTiO3)m (m=1–10 unit cells) consisting of multiferroic BiFeO3 and insulating SrTiO3 layers were fabricated on (100)-oriented SrTiO3 substrates by pulsed laser ablation. The remnant polarization and leakage current behavior of these films were studied by varying the periodicity (8–80Å) of the superlattice. Compared to single layer BiFeO3 thin films, the leakage current was reduced by a few orders of magnitude on increasing the periodicity. Reduced leakage and intrinsic polarization hysteresis were observed and confirmed by pulsed polarization analysis for all periodicities (∼20–60Å). The leakage current was dominated by space charge limited conduction.
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Ranjith R., Kundys B., Prellier W. Periodicity dependence of the ferroelectric properties in BiFeO3∕SrTiO3 multiferroic superlattices // Applied Physics Letters. 2007. Vol. 91. No. 22. p. 222904.
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Ranjith R., Kundys B., Prellier W. Periodicity dependence of the ferroelectric properties in BiFeO3∕SrTiO3 multiferroic superlattices // Applied Physics Letters. 2007. Vol. 91. No. 22. p. 222904.
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TY - JOUR
DO - 10.1063/1.2817933
UR - https://doi.org/10.1063/1.2817933
TI - Periodicity dependence of the ferroelectric properties in BiFeO3∕SrTiO3 multiferroic superlattices
T2 - Applied Physics Letters
AU - Ranjith, R
AU - Kundys, B
AU - Prellier, W.
PY - 2007
DA - 2007/11/26
PB - AIP Publishing
SP - 222904
IS - 22
VL - 91
SN - 0003-6951
SN - 1077-3118
ER -
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BibTex (up to 50 authors)
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@article{2007_Ranjith,
author = {R Ranjith and B Kundys and W. Prellier},
title = {Periodicity dependence of the ferroelectric properties in BiFeO3∕SrTiO3 multiferroic superlattices},
journal = {Applied Physics Letters},
year = {2007},
volume = {91},
publisher = {AIP Publishing},
month = {nov},
url = {https://doi.org/10.1063/1.2817933},
number = {22},
pages = {222904},
doi = {10.1063/1.2817933}
}
Cite this
MLA
Copy
Ranjith, R., et al. “Periodicity dependence of the ferroelectric properties in BiFeO3∕SrTiO3 multiferroic superlattices.” Applied Physics Letters, vol. 91, no. 22, Nov. 2007, p. 222904. https://doi.org/10.1063/1.2817933.