Table 2 Phonon mode frequencies (cm−1) at Γ point in La7Ir3. I: infrared active, R: Raman active.
From: Evidence of s-wave superconductivity in the noncentrosymmetric La7Ir3
Γ(0, 0, 0) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
E1(I + R) | 0 | 32.1 | 54.6 | 62.6 | 75.8 | 81.9 | 91.3 | 100.5 | 108.2 | 135.4 |
E2(R) | 38.6 | 45.7 | 58.4 | 63.1 | 68.1 | 81.7 | 93.9 | 98.7 | 103.3 | 117.3 |
A1(I + R) | 0 | 38.1 | 74.3 | 91.1 | 93.9 | 97.3 | 116.4 | |||
A 2 | 27.5 | 65.0 | 101.0 | |||||||
B 1 | 51.9 | 61.7 | 99.5 | |||||||
B 2 | 54.2 | 80.1 | 86.2 | 90.2 | 105.9 | 107.0 | 138.0 | |||
