Electronic Structure and Optical Properties of Alloy

Figure 4

(a) The imaginary part of the dielectric function 𝜀₂(ω) of pure GaAs and GaAs_1−𝑥Bi_𝑥. (b) Optical absorption spectra α(ω) of pure GaAs and GaAs_1−𝑥Bi_𝑥 alloy. (c) Reflectivity R(ω) of pure GaAs and GaAs_1−𝑥Bi_𝑥 alloy. (d) Loss function L(ω) of pure GaAs and GaAs_1−𝑥Bi_𝑥 alloy.

(a)

(b)

(c)

(d)