Abstract
Mn-doped Bi 0.5 Na 0.5 TiO 3 -BaTiO 3 thin film with the composition around the morphotropic phase boundary was grown on Pt-electrodized Si substrate by pulsed laser deposition. Highly (1 0 0)-oriented film with pure perovskite structure was obtained through carefully controlling the growth conditions. Well-defined ferroelectric P-E loop was obtained with the average remnant polarization P r and coercive field E c of ∼11.3 μC/cm 2 and ∼6.5 kV/mm, respectively. Polycrystalline structures and multidomain states were revealed by piezoresponse force microscopy and large local strain response was obtained with the normalized strain S max /E max up to 92 pm/V. The excellent global electrical properties make it quite promising in environmental-friendly ferroelectric and piezoelectric devices.
| Original language | English |
|---|---|
| Pages (from-to) | 348-351 |
| Number of pages | 4 |
| Journal | Applied Surface Science |
| Volume | 283 |
| DOIs | |
| State | Published - 15 Oct 2013 |
| Externally published | Yes |
Keywords
- Ferroelectric properties
- Lead-free thin film
- Piezoelectric properties
- Pulsed laser deposition
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