Table 4:The Debye temperature of S, T1 and σ.

Al S T1 σ
ρ(g/c m 3 ) 2.7128 0.8935 0.3492 1.6407
V s (m/s) 3442.65 7860.00 10729.41s 5950.77
V p (m/s) 6784.15 13038.62 20015.74 10875.79
V m (m/s) 3858.58 8691.06 11982.08 6635.51
Θ D (K) 450.79 641.07 674.24 559.60