Table 3.

Optical and electronic properties of MMCs

MMCs	Absorption coefficient [cm−1]	Carrier mobility [cm2 V−1 s−1]	Electronic properties	Spin–orbital coupling		References
				${\mathrm{\Delta }}_{\mathrm{VB}}^{\mathrm{SO}}$	${\mathrm{\Delta }}_{\mathrm{CB}}^{\mathrm{SO}}$
SiS	105–107	1.50 × 103 (zigzag) 1.80 × 104 (armchair)	p‐type	–	–	[ 62 ]
GeS	1.6 × 105	2.4 × 103	p‐type	1	56	[ 31 , 36 , 66 , 87 , 89 ]
GeSe	105–8 × 105	≈103	p‐type	9	48	[ 31 , 35 , 84 ]
SnS	5 × 104 to 5.7 × 105	≈103		8	87	[ 31 , 35 , 89 ]
SnSe	2 × 104 to 9.5 × 104	104	p‐type	14	52	[ 31 , 35 , 84 , 88 ]