Abstract：
:Confinement of the electron gas along one of the spatial directions opens an avenue for studying fundamentals of quantum transport along the side of numerous practical electronic applications, with high-electron-mobility transistors being a prominent example. A heterojunction of two materials with dissimilar electronic polarisation can be used for engineering of the conducting channel. Extension of this concept to single-layer materials leads to one-dimensional electron gas (1DEG). MoS2/WS2 lateral heterostructure is used as a prototype for the realisation of 1DEG. The electronic polarisation discontinuity is achieved by straining the heterojunction taking advantage of dissimilarities in the piezoelectric coupling between MoS2 and WS2. A complete theory that describes an induced electric field profile in lateral heterojunctions of two-dimensional materials is proposed and verified by first principle calculations.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Rubel Odoi
10.1038/s41598-017-03880-wsubject
Has Abstractpub_date
2017-06-28 00:00:00pages
4316issue
1issn
2045-2322pii
10.1038/s41598-017-03880-wjournal_volume
7pub_type
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