. 2022 Jun 6;7(24):20731–20740. doi: 10.1021/acsomega.2c00982

Table 2. Chemical Formula, Cation Distribution, Theoretical (a_th), Experimental (a_expt), and Rietveld Refined (a_riet) Lattice Parameters.

chemical formula	A-site	B-site	r_A (Å)	r_B (Å)	a_th (Å) (±0.006 Å)	a_expt (Å) (±0.006 Å)	a_riet (Å) (±0.006 Å)
CoFe₂O₄ (for x = 0)	Co_0.3Fe_0.7	[Co_0.7Fe_1.3]O₄^2–	0.651	0.645	8.275	8.353	8.362
CoFe_1.95Er_0.05O₄ (for x = 0.05)	Co_0.33Fe_0.67	[Co_0.67Er_0.05Fe_1.28]O₄^2–	0.650	0.656	8.302	8.339	8.341
CoFe_1.90Er_0.10O₄ (for x = 0.10)	Co_0.36Fe_0.64	[Co_0.64Er_0.1Fe_1.26]O₄^2–	0.649	0.661	8.314	8.358	8.369

Table 2. Chemical Formula, Cation Distribution, Theoretical (ath), Experimental (aexpt), and Rietveld Refined (ariet) Lattice Parameters.