400
13 Two-Dimensional Semiconductors
Fig. 13.28 STM images of ReSe 2 monolayers on graphene. The twist angle ϑ (cmp. Fig. 13.26b), as deducted from
comparison with theoretical calculations, is indicated. The red arrows indicate the moiré pattern’s periodicity. Adapted
from [1333], reprinted unter Creative Commons Attribute (CC BY-NC 4.0) license
excitons leading to localization and modification of spectra [1336]. A particularly intriguing effect is
the occurrence of superconductivity with a critical temperature of up to 1.7 K for a graphene bilayer
with the ’magic’ twist angle of ϑ ≈ 1.1
◦ and specific (gate-controlled) carrier densities in the range of
(1–2)×10
12 cm
−2 [1337].
13 Two-Dimensional Semiconductors
Fig. 13.28 STM images of ReSe 2 monolayers on graphene. The twist angle ϑ (cmp. Fig. 13.26b), as deducted from
comparison with theoretical calculations, is indicated. The red arrows indicate the moiré pattern’s periodicity. Adapted
from [1333], reprinted unter Creative Commons Attribute (CC BY-NC 4.0) license
excitons leading to localization and modification of spectra [1336]. A particularly intriguing effect is
the occurrence of superconductivity with a critical temperature of up to 1.7 K for a graphene bilayer
with the ’magic’ twist angle of ϑ ≈ 1.1
◦ and specific (gate-controlled) carrier densities in the range of
(1–2)×10
12 cm
−2 [1337].