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- Title
Effects of deposition temperature on phase purity, orientation, microstructure and property of cobalt substituted bismuth ferrite thin films.
- Authors
Zhang, Hao; Long, Wei-Jie; Chen, Ya-Qing; Guo, Dong-Jie
- Abstract
Multiferroic BiFeCoO thin films were fabricated on Pt/Ti/SiO/Si substrates at various temperatures by pulsed laser deposition. It was found the deposition temperature had great effects on phase purity, orientation, microstructure and multiferroic properties of these films. The optimized deposition temperature was close to 600 °C. Polarization-electric field (P-E) and magnetization-magnetic field (M-H) hysteresis loops at room temperature were observed simultaneously in the films fabricated at 600 °C. The remnant polarization, coercive electric field ( P, E) and the remnant magnetization, coercive magnetic field ( M, H) of the films deposited at 600 °C were (0.95 μC/cm, 31 kV/cm) and (0.59 emu/cm, 130 Oe), respectively. These results might have implications for further investigations on high quality BiFeCoO multiferroic films.
- Subjects
MICROSTRUCTURE; MULTIFERROIC materials; ELECTRIC properties of thin films; POLARIZATION (Electricity); MAGNETIZATION; MAGNETIC fields
- Publication
Journal of Materials Science: Materials in Electronics, 2012, Vol 23, Issue 12, p2157
- ISSN
0957-4522
- Publication type
Article
- DOI
10.1007/s10854-012-0732-7