Structural, Optical, Electrical, and Magnetic Properties of PVA:Gd³⁺ and PVA:Ho³⁺ Polymer Films

Figure 3

(a, b) Absorption (a) and (b) emission spectra of PVA:Gd³⁺ polymer films.

(a) PVA:Gd³⁺

(b) PVA:Gd³⁺