Table 1. Results of the measurements of the langasite (770) crystal and the values of the obtained piezoelectric modulus d 11 .
| 2θ (°) | 2θ (°) | |||||
|---|---|---|---|---|---|---|
| Reflection (hkl) | 0 V | −999.3 V | d 11 × 10−12 (C N−1) | 0 V | +997.7 V | d 11 × 10−12 (C N−1) |
| 770 | 88.94 | 88.97 | 6.53 ± 0.08 | 88.93 | 88.90 | 6.32 ± 0.08 |