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Sökning: onr:"swepub:oai:research.chalmers.se:c06f55d4-b388-4940-8d57-01a5c2efd5d7" > Structural and elec...

Structural and electronic properties of two-dimensional stanene and graphene heterostructure

Wu, L. (författare)
Beijing University of Posts and Telecommunications (BUPT), China
Lu, P. F. (författare)
Beijing University of Posts and Telecommunications (BUPT), China,Chinese Academy of Sciences, China
Bi, Jingyun (författare)
Beijing University of Posts and Telecommunications (BUPT), China
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Yang, Chuanghua (författare)
song, yuxin (författare)
Chinese Academy of Sciences, China
Guan, P. F. (författare)
Beijing Computational Science Research Center, China
Wang, Shu Min, 1963 (författare)
Chalmers University of Technology,Chalmers tekniska högskola
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 (creator_code:org_t)
2016
2016
Engelska.
Ingår i: Nanoscale Research Letters. - 1556-276X .- 1931-7573. ; 11:1, Artikel nr: 525
  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
Stäng  
  • Structural and electronic properties of two-dimensional stanene and graphene heterostructure (Sn/G) are studied by using first-principles calculations. Various supercell models are constructed in order to reduce the strain induced by the lattice mismatch. The results show that stanene interacts overall weakly with graphene via van der Waals (vdW) interactions. Multiple phases of different crystalline orientation of stanene and graphene could coexist at room temperature. Moreover, interlayer interactions in stanene and graphene heterostructure can induce tunable band gaps at stanene’s Dirac point, and weak p-type and n-type doping of stanene and graphene, respectively, generating a small amount of electron transfer from stanene to graphene. Interestingly, for model Sn(7)/G(5), there emerges a band gap about 34 meV overall the band structure, indicating it shows semiconductor feature.

Ämnesord

TEKNIK OCH TEKNOLOGIER  -- Maskinteknik (hsv//swe)
ENGINEERING AND TECHNOLOGY  -- Mechanical Engineering (hsv//eng)

Nyckelord

Graphene
Structural properties
Heterostructure
Stanene
First-principles

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