Abstract
Sr0.5Ba0.5Nb2O6 (SBN50) thin films have been prepared using aqueous organic gel method. The differences in the decomposition between Sr-Ba-Nb nitrate precursor solutions with different pH values were investigate. By heat treatment at 700 °C for 2 h, SBN thin films with smooth and crack-free surface were derived from the precursor solution of a lower pH=8. XRD patterns revealed the polycrystalline nature of the SBN thin films on Pt/Ti/SiO2/Si(100) substrates. Electric properties measurement indicated that the SBN films demonstrated a ferroelectric hysteresis loop. The remanent polarization (Pr) and coercive field (Ec) were 8.17 μC/cm2 and 16.9 kV/cm, respectively.
| Original language | English |
|---|---|
| Pages (from-to) | 1456-1460 |
| Number of pages | 5 |
| Journal | Materials Letters |
| Volume | 58 |
| Issue number | 9 |
| DOIs | |
| State | Published - Mar 2004 |
Keywords
- Aqueous organic gel
- EDTA
- Electrical properties
- SrBaNbO
- Thin films
- pH value
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