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Applied Microscopy
Fig. 3 | Applied Microscopy

Fig. 3

From: Recent progress in the role of grain boundaries in two-dimensional transition metal dichalcogenides studied using scanning tunneling microscopy/spectroscopy

Fig. 3

a Model structure of MTBs in MoSe2. b Arrangements of the three equivalent MTB directions gives rise to a cross-hatched grain boundary network. c STM image of MTB at a low temperature (120 K), exhibiting three times the periodicity than the atomic corrugation imaged at room temperature. d Large-scale low temperature STM image. e Top and side views of a ball-and-stick model of 4ǀ4E MTB in MoS2. f STM image of a 4ǀ4E MTB. STS maps of the dashed box area in the STM image at the energies of the highest occupied and lowest unoccupied states. a-d Reprinted with permission from Ma et al. (2017a, b) (Nature Commun. 8, 14231) CC BY 4.0. e–f Reprinted with permission from Jolie et al. (2019) (Phys. Rev. X 9, 011055) CC BY 4.0

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