Enhancement in Optical Properties of Lanthanum-Doped Manganese Barium Hexaferrites under Different Substitutions

Table 1

Lanthanum concentration, crystalline size, lattice constant, and volume of hexaferrites have been calculated.

Lanthanum contents (x)	D (nm)	Lattice constant (Å) a = b ≠ c		Volume
		a	C
0.02	13.10	2.318	1.008	4.690
0.04	13.61	2.307	1.007	4.645
0.06	14.80	2.317	1.0006	4.651
0.08	15.77	2.316	1.0005	4.647
0.10	16.19	2.319	1.0080	4.694