Table 1.

Binary and ternary phases reported in the systems Al–Fe, Al–Si and Fe–Si and Al–Fe–Si.

Phase	Sructure type	Pearson symbol	Space group	Reference
AlFe (α2)	CsCl/B2	cP2	Pm$\overline{3}$m	[7]
AlFe3 (α1)	BiF3/D03	cF16	Fm$\overline{3}$m	[7]
Al2Fe	Al2Fe	aP18	P$\overline{1}$	[2]
Al5Fe2	Al5Fe2	oC16	Cmcm	[3]
Al13Fe4	Al13Fe4	mC102	C2/m	[4]
Al8Fe5 (ε)	Cu5Zn8/D82	cI52	I$\overline{4}$3m	[5]
HT-FeSi2 (Fe2Si5)	FeSi2	tP3	P4/mmm	[12]
LT-FeSi2	FeSi2	oC48	Cmca	[13]
Fe2Si	Fe2Si	hP6	P63/mmc	[9]
Fe5Si3	Mn5Si3	hP16	P63/mcm	[10]
FeSi	FeSi	oP8	P213	[11]
Al2Fe3Si3 (τ1) Al21.5−45Fe36.5−37.5Si8.5−41.5a	Al2Fe3Si3	aP16	P$\overline{1}$	[22]
Al3FeSi (τ2) Al53.9−65.3Fe19.5−20.5Si15.2−25.6a	Al3FeSi	m∗∗	mC∗	[23]
Al2FeSi (τ3) Al53−56Fe23.5−24.5Si20.5−22.5a	Al2FeSi	oC128	Cmma	[24]
Al3FeSi2 (τ4) Al45.5−54Fe15.5−16.5Si30.5−38a	GaPd5	tI24	I4/mcm	[25]
Al7.4Fe2Si (τ5) Al68−72Fe18−19.5Si10−12.5a	Al7.4Fe2Si	hP244	P63/mmc	[26]
Al4.5FeSi (τ6) Al64.5−67.5Fe15.5−16.5Si17−19a	Al9Fe2Si2	mC52	C2/m	[27]
Al3Fe2Si3 (τ7) Al39.2−48.7Fe23.5−24.5Si27.8−36.3a	Al3Fe2Si3	mP64	P21/n	[28]
Al2Fe3Si4 (τ8) Al24.1−28.6Fe31.9−32.9Si39.5−43a	Al2Fe3Si4	oC48	Cmcm	[22]
τ10 Al57−59Fe24−25Si17−18a	–	hexagonal?	–	[19]
Al4Fe1.7Si (τ11) Al64–66.5Fe24−25Si9.5−11a	Co2Al5	hP28	P63/mmc	[29]

^aComposition ranges of ternary phases according to Ref. [19].