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Table 3 Electrical and optical parameters in GaAs

From: Optical absorption of dilute nitride alloys using self-consistent Green’s function method

Parameter Symbol Values
Lattice constant [19] a 0 5.65+3.88 ×10-5 (T e -300) (Å)
Electron effective mass [13]   300 K/10 K
Conduction m c 0.063/ 0.067(m0)
Light hole m l 0.076/ 0.082(m0)
Heavy hole m h 0.50/ 0.51(m0)
Split-off m so 0.145/ 0.154(m0)
Energy gap (T=0) E g 0 1.519 eV
Varshni parameters [19]   
E g = E g 0 - α T T e 2 β T + T e α T 5.408×10-4 (eV/K)
  β T 204
SO splitting energy [19] Δ so 0.34 eV
Refractive index [13] n r 3.255(1+4.5×10-5T e )
Static dielectric constant [26] κ 12.4(1+1.2×10-4T e )