dc leakage behavior and conduction mechanism in (BiFeO3) m(SrTiO3)m superlattices

R. Ranjith; W. Prellier; Jun Wei Cheah; Junling Wang; Tom Wu

doi:10.1063/1.2937843

dc leakage behavior and conduction mechanism in (BiFeO₃) _m(SrTiO₃)_m superlattices

R. Ranjith^*, W. Prellier, Jun Wei Cheah, Junling Wang, Tom Wu

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

43 Scopus citations

Abstract

Leakage current behavior of (BiFeO₃)_m(SrTiO ₃)_m superlattice structures was studied and analyzed at different temperatures (303-473 K) in the light of various models. While bulk limited Poole-Frenkel emission was observed to dominate the leakage current in the temperature range of 303-383 K, the space charge limited conduction was observed up to 473 K. With a Poole-Frenkel emission type of conduction, the activation energy range of ∼0.06-0.25 eV was calculated. The physical parameters, calculated from the analysis, correlate with the intrinsic properties. Such analysis of leakage current facilitates interface engineering of heterostructures for device applications.

Original language	English (US)
Article number	232905
Journal	Applied Physics Letters
Volume	92
Issue number	23
DOIs	https://doi.org/10.1063/1.2937843
State	Published - 2008
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/1.2937843

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@article{aec894c34f144a62889de129c50717c4,

title = "dc leakage behavior and conduction mechanism in (BiFeO3) m(SrTiO3)m superlattices",

abstract = "Leakage current behavior of (BiFeO3)m(SrTiO 3)m superlattice structures was studied and analyzed at different temperatures (303-473 K) in the light of various models. While bulk limited Poole-Frenkel emission was observed to dominate the leakage current in the temperature range of 303-383 K, the space charge limited conduction was observed up to 473 K. With a Poole-Frenkel emission type of conduction, the activation energy range of ∼0.06-0.25 eV was calculated. The physical parameters, calculated from the analysis, correlate with the intrinsic properties. Such analysis of leakage current facilitates interface engineering of heterostructures for device applications.",

author = "R. Ranjith and W. Prellier and Cheah, {Jun Wei} and Junling Wang and Tom Wu",

note = "Funding Information: This work was carried out in the frame of the Merlion project (n°2.04.07) supported by the Ministere des Affaires Etrangeres et Europ{\'e}ennes and the Nanyang Technological University and the STREP MaCoMuFi (NMP3-CT-2006-033221) supported by the European Commission and by the CNRS, France. Partial support from the ANR (NT05-1-45177 NT05-3-41793) is also acknowledged. The authors would also like to acknowledge Dr. L. Mechin, and Mr. C. Fur. ",

year = "2008",

doi = "10.1063/1.2937843",

language = "English (US)",

volume = "92",

journal = "Applied Physics Letters",

issn = "0003-6951",

publisher = "AMER INST PHYSICS",

number = "23",

}

TY - JOUR

T1 - dc leakage behavior and conduction mechanism in (BiFeO3) m(SrTiO3)m superlattices

AU - Ranjith, R.

AU - Prellier, W.

AU - Cheah, Jun Wei

AU - Wang, Junling

AU - Wu, Tom

N1 - Funding Information: This work was carried out in the frame of the Merlion project (n°2.04.07) supported by the Ministere des Affaires Etrangeres et Européennes and the Nanyang Technological University and the STREP MaCoMuFi (NMP3-CT-2006-033221) supported by the European Commission and by the CNRS, France. Partial support from the ANR (NT05-1-45177 NT05-3-41793) is also acknowledged. The authors would also like to acknowledge Dr. L. Mechin, and Mr. C. Fur.

PY - 2008

Y1 - 2008

N2 - Leakage current behavior of (BiFeO3)m(SrTiO 3)m superlattice structures was studied and analyzed at different temperatures (303-473 K) in the light of various models. While bulk limited Poole-Frenkel emission was observed to dominate the leakage current in the temperature range of 303-383 K, the space charge limited conduction was observed up to 473 K. With a Poole-Frenkel emission type of conduction, the activation energy range of ∼0.06-0.25 eV was calculated. The physical parameters, calculated from the analysis, correlate with the intrinsic properties. Such analysis of leakage current facilitates interface engineering of heterostructures for device applications.

AB - Leakage current behavior of (BiFeO3)m(SrTiO 3)m superlattice structures was studied and analyzed at different temperatures (303-473 K) in the light of various models. While bulk limited Poole-Frenkel emission was observed to dominate the leakage current in the temperature range of 303-383 K, the space charge limited conduction was observed up to 473 K. With a Poole-Frenkel emission type of conduction, the activation energy range of ∼0.06-0.25 eV was calculated. The physical parameters, calculated from the analysis, correlate with the intrinsic properties. Such analysis of leakage current facilitates interface engineering of heterostructures for device applications.

UR - http://www.scopus.com/inward/record.url?scp=45149108040&partnerID=8YFLogxK

U2 - 10.1063/1.2937843

DO - 10.1063/1.2937843

M3 - Article

AN - SCOPUS:45149108040

SN - 0003-6951

VL - 92

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 23

M1 - 232905

ER -

dc leakage behavior and conduction mechanism in (BiFeO₃) _m(SrTiO₃)_m superlattices

Abstract

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