| Autor: |
Kakimi, Atsushi, Soichiro Okamura, Soichiro Okamura, Takeyo Tsukamoto, Takeyo Tsukamoto |
| Zdroj: |
Japanese Journal of Applied Physics; December 1994, Vol. 33 Issue: 12 pL1707-L1707, 1p |
| Abstrakt: |
Fabrication of ferroelectric Bi4Ti3O12thin films was carried out by spin-coating pyrolysis of Bi and Ti naphthenates and successive heat treatments in O2gas. Heat treatments in O2gas were effective for fabrication of ferroelectric Bi4Ti3O12thin films with c-axis orientation. It was confirmed that the film surface morphology strongly depends on the O2gas pressure. Smooth platelike grains of the size greater than 10×10 µm2formed extensively in thin films upon heat treatment at the O2gas pressure of 4.0×105Pa. The film thickness was 500 nm. The thin film was a single phase of Bi4Ti3O12completely oriented along the c-axis with good ferroelectric properties at room temperature: coercive field of 15 kV/cm, remanent polarization of 1.9 µC/cm2, dielectric constant of 43 and loss of 0.02. |
| Databáze: |
Supplemental Index |
| Externí odkaz: |
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