Figure 4. The calculated optical functions of PbX (where X=S, Se and Te): (a) absorption, (b) conductivity, (c) reflectivity, (d) loss function, (e) real part of dielectric function, (f) imaginary part of dielectric function, (g) imaginary part of refractive index and (h) real part of refractive index in the polarization vector [100]

From

The Substantive Characteristics of Layered PbX (X=S, Se, and Te) Compounds: An ab-inito Investigations

Humaira Takia, Md. Afjalur Rahman, Rahman Moshiur, M.M. Rahaman, Khokon Hossen

International Journal of Physics. 2022, 10(2), 102-110 doi:10.12691/ijp-10-2-3