| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| noncentrosymmetric | 0.35 | 0.2 | 3734 | 2 | 18 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| noncentrosymmetric | 0.18 | 1 | 7874 | 45 |
| noncentrosymmetric oxides | 1.9 | 0.1 | 6813 | 78 |
| noncentrosymmetric superconductor | 0.69 | 0.6 | 663 | 10 |
| noncentrosymmetric crystal | 1.24 | 0.4 | 3139 | 1 |
| noncentrosymmetric materials | 1.68 | 0.5 | 6469 | 24 |
| noncentrosymmetric space group | 1.76 | 0.9 | 7342 | 33 |
| non centrosymmetric space groups | 1.26 | 0.9 | 9472 | 29 |
| noncentrosymmetric crystal structure | 1.92 | 0.3 | 1491 | 64 |
