Enhancement of Photon Absorption on Ba_𝑥Sr_1−𝑥TiO₃ Thin-Film Semiconductor Using Photonic Crystal

Figure 4

Relation between wavelength and (a) absorbance; (b) transmittance of BST thin films for mole fractions 𝑥=0.25  (---Δ---), 𝑥=0.35(---□---), 𝑥=0.45(---○---), and 𝑥=0.55(---◊---).

(a)

(b)