TY - GEN
T1 - Temperature-dependent leakage mechanisms of BiFeO3 films
AU - Yang, H.
AU - Jain, M.
AU - Zhou, H.
AU - Luo, H. M.
AU - Jia, Q. X.
PY - 2008
Y1 - 2008
N2 - Epitaxial c-axis oriented BiFeO3 (BFO) thin films were deposited on conductive SrRuO3 (SRO) on (001) SrTiO3 substrates by pulsed laser deposition. A Pt/BFO/SRO capacitor was constructed by depositing a top Pt electrode. The leakage current density vs. electric field characteristics were investigated from 80 to 350 K. It was found that the leakage mechanisms were a strong function of temperature and voltage polarity. At temperatures between 80 and 150 K, space-charge-limited current was the dominant leakage mechanism for both negative and positive bias. On the other hand, at temperatures between 200 and 350 K the dominant leakage mechanisms were Poole-Frenkle emission and Fowler-Nordheim tunneling for negative and positive bias, respectively.Ü.
AB - Epitaxial c-axis oriented BiFeO3 (BFO) thin films were deposited on conductive SrRuO3 (SRO) on (001) SrTiO3 substrates by pulsed laser deposition. A Pt/BFO/SRO capacitor was constructed by depositing a top Pt electrode. The leakage current density vs. electric field characteristics were investigated from 80 to 350 K. It was found that the leakage mechanisms were a strong function of temperature and voltage polarity. At temperatures between 80 and 150 K, space-charge-limited current was the dominant leakage mechanism for both negative and positive bias. On the other hand, at temperatures between 200 and 350 K the dominant leakage mechanisms were Poole-Frenkle emission and Fowler-Nordheim tunneling for negative and positive bias, respectively.Ü.
UR - https://www.scopus.com/pages/publications/58149516293
U2 - 10.1109/ISAF.2008.4693776
DO - 10.1109/ISAF.2008.4693776
M3 - Conference contribution
AN - SCOPUS:58149516293
SN - 1424427444
SN - 9781424427444
T3 - IEEE International Symposium on Applications of Ferroelectrics
BT - 17th IEEE International Symposium on the Applications of Ferroelectrics, ISAF 2008
T2 - 17th IEEE International Symposium on the Applications of Ferroelectrics, ISAF 2008
Y2 - 23 February 2008 through 28 February 2008
ER -