Comparison of f′′(0) for different values of Λ with literature Ahmad et al.²¹.

Λ	f′′(0) for TiO2	f′′(0) for Cu	f′′(0) for TiO2	f′′(0) for Cu
	Present paper		Ahmad et al.21
0.2	−0.8676146	−0.9223163	−0.82123	−0.92408
0.4	−0.6956203	−0.7309784	−0.67790	−0.74650
0.6	−0.584262	−0.6094886	−0.58010	−0.62984
0.8	−0.5055081	−0.5246363	−0.50856	−0.54659
1.0	−0.446524	−0.4616436	−0.45368	−0.48387