Table 2.

Data of f, $x^{\left(1\right)}$, $x^{\left(3\right)}$, and n₂ for the PVDF-CaFe₂O₄ nanocomposites.

CaFe2O4 Content (wt%)	f (eV)2	χ(1) (esu)	χ (3) (esu)	n2 (esu)
0.0	452.49	0.83	8 × 10−11	8.9 × 10−10
0.25	1098.99	1.63	12 × 10−10	9.8 × 10−9
0.75	2955.14	3.98	425 × 10−10	2.25 × 10−7
1.0	5840.71	8.46	870 × 10−9	3.17 × 10−6