Journal article
Deposition of highly oriented (K,Na)NbO3 films on flexible metal substrates
Department of Energy Conversion and Storage, Technical University of Denmark1
Electrofunctional materials, Department of Energy Conversion and Storage, Technical University of Denmark2
Imaging and Structural Analysis, Department of Energy Conversion and Storage, Technical University of Denmark3
Ceramic Engineering & Science, Department of Energy Conversion and Storage, Technical University of Denmark4
In view of developing flexible, highly textured Pb-free piezoelectric thin films, (K,Na)NbO3 was deposited by chemical solution deposition on cube-textured Ni-W alloy substrates. After heat treatment, a strong (001)pc out-of-plane preferential orientation is created in the (K,Na)NbO3 layer, which also exhibits a sharp in-plane texture with 45°-rotated epitaxial relation to the substrate.
The microstructure of the film is strongly dependent on the heat treatment temperature; sub-micrometer grains versus up to 2 μm long particles forming at 600 °C and 900 °C respectively. K4Nb6O17 and (K1−xNax)2Nb4O11 impurity phases were identified depending on the processing temperature.
| Language: | English |
|---|---|
| Year: | 2018 |
| Pages: | 7-10 |
| ISSN: | 18792731 and 00406090 |
| Types: | Journal article |
| DOI: | 10.1016/j.tsf.2018.02.008 |
| ORCIDs: | Grivel, Jean-Claude , Thydén, Karl , Bowen, Jacob R. and Bjørnetun Haugen, Astri |
