Bulk MoS₂

Monolayer MoS₂

Present calculation

0.89

1.57

Experimental value

1.23 (Ref [6] )

1.29 (Ref [35] )

1.80 (Ref [6] )

Theoretical results

0.7 (Ref [36] )

1.05 (Ref [16] )

1.15 (Ref [37] )

1.55 (Ref [16] )

1.70 (Ref [33] )

1.78 (Ref [34] )

1.9 (Ref [38] )