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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Wu, N.J. Lin, H. Xie, K. Li, X.Y. Jia Li Ignatiev, A. |
| Copyright Year | 1994 |
| Description | Author affiliation: Space Vacuum Epitaxy Center, Houston Univ., TX, USA (Wu, N.J.; Lin, H.; Xie, K.; Li, X.Y.; Jia Li; Ignatiev, A.) |
| Abstract | Heteroepitaxial Ba/sub 1-x/Sr/sub x/TiO/sub 3/ (x=0.4 and x=0.5) thin films of thickness from 20 nm to 500 nm were grown on high T/sub c/ superconducting YBa/sub 2/Cu/sub 3/O/sub 7-x/ (YBCO) thin film substrates by laser ablation. Perovskite-type BST(100) on c-oriented YBCO/LaAlO/sub 3/(100) started to form at 500/spl deg/C and exhibited good crystallinity at 550/spl deg/C-620/spl deg/C. The films were characterized in the temperature range of 20 K to 300 K by polarization-versus-electric field (P-E), capacitance-versus-voltage (C-V) and current-versus-voltage (I-V) measurements. Both BST(100) thin films with x=0.4 and x=0.5 showed ferroelectric behavior below room temperature with maximum polarization of 3 /spl mu/C/cm/sup 2/ and 1.4 /spl mu/C/cm/sup 2/, respectively. Resistivity above 10/sup 11/ Ohm/spl middot/cm was obtained in the temperature range from 30 K to 300 K. Interface properties and phase transitions are discussed. |
| Starting Page | 464 |
| Ending Page | 467 |
| File Size | 409261 |
| Page Count | 4 |
| File Format | |
| ISBN | 0780318471 |
| DOI | 10.1109/ISAF.1994.522403 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 1994-08-07 |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Superconducting thin films Yttrium barium copper oxide Temperature distribution Polarization Strontium Substrates Laser ablation Crystallization Ferroelectric films Capacitance |
| Content Type | Text |
| Resource Type | Article |
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