Experimental crystal parameters values for two useful compound in manufacturing magnetic recording media.

Table 1: Experimental crystal parameters values for two useful compound in manufacturing magnetic recording media.

Material Properties	Compound 1 CoF₂	Compound 2 N_iF₂ and K_i from [65]
Lattice parameter $a (\overset{0}{A})$	4.695	4.6506
Cell volume $V ({(\overset{0}{A})}^{3})$	70.15	66.68
Exchange parameter J(J)	$9.0304 \times 10^{- 23}$	$2.76058 \times 10^{- 22}$
First anisotropy constant K₁ (J.m^-³)	$2.1 \times 10^{4}$	$1.1 \times 10^{5}$
Second anisotropy constant K₂ (J.m^-³)	$5.6 \times 10^{4}$	$0.52 \times 10^{5}$
DW width $Δ (\overset{0}{A})$	$\begin{array}{l} \approx 2.0443 \times a \\ = 9.5992 \overset{0}{A} \end{array}$	$\begin{array}{l} \approx 2.5276 \times a \\ = 11.7550 \overset{0}{A} \end{array}$