Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.scriptamat.2010.11.015
Title: Multiferroic properties and temperature-dependent leakage mechanism of Sc-substituted bismuth ferrite-lead titanate thin films
Authors: Yan, F.
Miao, S.
Sterianou, I.
Reaney, I.M.
Lai, M.O. 
Lu, L. 
Song, W.D.
Keywords: Ferroelectric materials
Laser deposition
Leakage mechanism
Magnetic materials
Thin films
Issue Date: Mar-2011
Citation: Yan, F., Miao, S., Sterianou, I., Reaney, I.M., Lai, M.O., Lu, L., Song, W.D. (2011-03). Multiferroic properties and temperature-dependent leakage mechanism of Sc-substituted bismuth ferrite-lead titanate thin films. Scripta Materialia 64 (5) : 458-461. ScholarBank@NUS Repository. https://doi.org/10.1016/j.scriptamat.2010.11.015
Abstract: Bi(Fe0.5Sc0.5)O3-PbTiO3 (BSFPT) films have been fabricated on Pt/TiO2/SiO2/Si substrates by pulsed laser deposition. The microstructure, chemical state, ferroelectric and magnetic properties were investigated. The leakage mechanism of the BSFPT thin film showed bulk limited, space charge limited current characteristics from 200 to 220 K, whereas bulk limited Poole-Frenkel emission and interface limited Fowler-Nordheim tunneling coexisted at temperatures between 250 and 300 K. The substitution of Sc3+ for Fe3+ ions was considered to improve the valence stability and, therefore, decrease the overall leakage current. © 2010 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
Source Title: Scripta Materialia
URI: http://scholarbank.nus.edu.sg/handle/10635/85442
ISSN: 13596462
DOI: 10.1016/j.scriptamat.2010.11.015
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