. 2021 Dec 28;15(1):201. doi: 10.3390/ma15010201

Table 3.

XRD analysis results obtained by Rietveld method on the Sm $_{2}$ Fe $_{17 - x}$ M $_{x}$ (M = Si, Ga, Co, Zr, Cr, Mo) and (x = 0, 0.5, 1, 1.5, 2) alloys [25,26,27,28,29,30,62,75,76].

Alloy	a(Å)	c(Å)	$x (18 f)$	$x (18 h)$	$z (6 c)$ Sm	$z (6 c)$ Fe	$z 1 (8 h)$	V(Å) $^{3}$	R $_{B}$	$χ^{2}$
Sm $_{2}$ Fe $_{17}$	8.558	12.441	0.291	0.501	0.342	0.094	0.156	789	5.05	1.30
Sm $_{2}$ Fe $_{16.5}$ Si $_{0.5}$	8.547	12.437	0.291	0.501	0.341	0.095	0.156	787	4.62	2.10
Sm $_{2}$ Fe $_{16}$ Si	8.542	12.436	0.291	0.501	0.342	0.096	0.157	786	6.01	1.80
Sm $_{2}$ Fe $_{15.5}$ Si $_{1.5}$	8.527	12.428	0.291	0.501	0.342	0.095	0.157	782	4.40	2.40
Sm $_{2}$ Fe $_{15}$ Si $_{2}$	8.520	12.428	0.292	0.501	0.342	0.096	0.157	781	5.69	2.20
Sm $_{2}$ Fe $_{16.5}$ Ga $_{0.5}$	8.567	12.457	0.289	0.502	0.343	0.096	0.156	791	4.25	1.40
Sm $_{2}$ Fe $_{16}$ Ga	8.582	12.483	0.290	0.502	0.342	0.094	0.156	796	6.11	2.50
Sm $_{2}$ Fe $_{15.5}$ Ga $_{1.5}$	8.598	12.510	0.290	0.502	0.342	0.097	0.156	801	5.63	2.70
Sm $_{2}$ Fe $_{15}$ Ga $_{2}$	8.619	12.540	0.291	0.502	0.342	0.097	0.156	807	5.55	2.50
Sm $_{2}$ Fe $_{16.5}$ Co $_{0.5}$	8.550	12.450	0.289	0.501	0.343	0.096	0.156	788	4.56	1.61
Sm $_{2}$ Fe $_{16}$ Co	8.548	12.456	0.290	0.502	0.343	0.096	0.157	788	4.73	1.58
Sm $_{2}$ Fe $_{15.5}$ Co $_{1.5}$	8.545	12.463	0.291	0.501	0.343	0.096	0.156	788	4.05	1.40
Sm $_{2}$ Fe $_{15}$ Co $_{2}$	8.544	12.467	0.291	0.502	0.343	0.095	0.156	788	3.58	1.76
Sm $_{2}$ Fe $_{16.5}$ Zr $_{0.5}$	8.541	12.449	0.289	0.502	0.343	0.096	0.157	786	4.53	1.34
Sm $_{2}$ Fe $_{16}$ Zr	8.532	12.465	0.290	0.502	0.343	0.096	0.157	786	5.10	1.42
Sm $_{2}$ Fe $_{15.5}$ Zr $_{1.5}$	8.527	12.457	0.289	0.501	0.344	0.096	0.157	784	4.33	1.52
Sm $_{2}$ Fe $_{16.5}$ Cr $_{0.5}$	8.549	12.445	0.289	0.502	0.343	0.096	0.157	787	6.91	1.26
Sm $_{2}$ Fe $_{16}$ Cr	8.542	12.450	0.290	0.502	0.343	0.096	0.157	787	5.75	1.26
Sm $_{2}$ Fe $_{15.5}$ Cr $_{1.5}$	8.535	12.442	0.289	0.501	0.344	0.096	0.157	785	4.06	1.57
Sm $_{2}$ Fe $_{15}$ Cr $_{2}$	8.533	12.442	0.291	0.501	0.343	0.092	0.156	784	4.49	1.16
Sm $_{2}$ Fe $_{16.42}$ Mo $_{0.58}$	8.558	12.472	0.289	0.502	0.342	0.096	0.157	791	4.61	1.10