Research Article
Effect of Synthesis Conditions on Crystal Morphology and Layer Thickness of Nanostructured Sodium Niobate Supported on Metallic Substrate
Table 2
Experimental 23 factorial design with three center points matrix.
| Run | Run order | A time | B temperature | C alkali concentration | Notation |
| 1 | 4 | − | − | − | 12-40-0.25 | 2 | 7 | + | − | − | 36-40-0.25 | 3 | 5 | − | + | − | 12-120-0.25 | 4 | 3 | + | + | − | 36-120-0.25 | 5 | 1 | − | − | + | 12-40-0.75 | 6 | 8 | + | − | + | 36-40-0.75 | 7 | 6 | − | + | + | 12-120-0.75 | 8 | 11 | + | + | + | 36-120-0.75 | 9 | 2 | 0 | 0 | 0 | 24-80-0.50 | 10 | 9 | 0 | 0 | 0 | 24-80-0.50 | 11 | 10 | 0 | 0 | 0 | 24-80-0.50 |
|
|