Fig. 5: Strain-induced band gap changes in monolayer CrS2 and strain in nanotubes.
From: Ferromagnetic semiconductor nanotubes with room Curie temperatures

a Band gap of monolayer CrS2 along Γ-Y/Γ-X with uniaxial strain along x/y direction. b Uniaxial strain along x/y direction of zigzag/armchair CrS2 nanotubes with different perimeters.