Tailoring the electronic structure in bilayer molybdenum disulfide via interlayer twist

Arend M. Van Der Zande, Jens Kunstmann, Alexey Chernikov, Daniel A. Chenet, Yumeng You, Xiaoxiao Zhang, Pinshane Y. Huang, Timothy C. Berkelbach, Lei Wang, Fan Zhang, Mark S. Hybertsen, David A. Muller, David R. Reichman, Tony F. Heinz, James C. Hone

Research output: Contribution to journalArticle

Abstract

Molybdenum disulfide bilayers with well-defined interlayer twist angle were constructed by stacking single-crystal monolayers. Varying interlayer twist angle results in strong tuning of the indirect optical transition energy and second-harmonic generation and weak tuning of direct optical transition energies and Raman mode frequencies. Electronic structure calculations show the interlayer separation changes with twist due to repulsion between sulfur atoms, resulting in shifts of the indirect optical transition energies. These results show that interlayer alignment is a crucial variable in tailoring the properties of two-dimensional heterostructures.

Original languageEnglish (US)
Pages (from-to)3869-3875
Number of pages7
JournalNano letters
Volume14
Issue number7
DOIs
StatePublished - Jul 9 2014
Externally publishedYes

Fingerprint

molybdenum disulfides
Optical transitions
Molybdenum
Electronic structure
interlayers
optical transition
electronic structure
Tuning
tuning
Harmonic generation
Sulfur
Heterojunctions
Monolayers
Single crystals
energy
Atoms
harmonic generations
sulfur
alignment
molybdenum disulfide

Keywords

  • Molybdenum disulfide
  • band structure
  • heterostructure
  • interlayer interaction
  • twisted bilayer

ASJC Scopus subject areas

  • Bioengineering
  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanical Engineering

Cite this

Van Der Zande, A. M., Kunstmann, J., Chernikov, A., Chenet, D. A., You, Y., Zhang, X., ... Hone, J. C. (2014). Tailoring the electronic structure in bilayer molybdenum disulfide via interlayer twist. Nano letters, 14(7), 3869-3875. https://doi.org/10.1021/nl501077m

Tailoring the electronic structure in bilayer molybdenum disulfide via interlayer twist. / Van Der Zande, Arend M.; Kunstmann, Jens; Chernikov, Alexey; Chenet, Daniel A.; You, Yumeng; Zhang, Xiaoxiao; Huang, Pinshane Y.; Berkelbach, Timothy C.; Wang, Lei; Zhang, Fan; Hybertsen, Mark S.; Muller, David A.; Reichman, David R.; Heinz, Tony F.; Hone, James C.

In: Nano letters, Vol. 14, No. 7, 09.07.2014, p. 3869-3875.

Research output: Contribution to journalArticle

Van Der Zande, AM, Kunstmann, J, Chernikov, A, Chenet, DA, You, Y, Zhang, X, Huang, PY, Berkelbach, TC, Wang, L, Zhang, F, Hybertsen, MS, Muller, DA, Reichman, DR, Heinz, TF & Hone, JC 2014, 'Tailoring the electronic structure in bilayer molybdenum disulfide via interlayer twist', Nano letters, vol. 14, no. 7, pp. 3869-3875. https://doi.org/10.1021/nl501077m
Van Der Zande, Arend M. ; Kunstmann, Jens ; Chernikov, Alexey ; Chenet, Daniel A. ; You, Yumeng ; Zhang, Xiaoxiao ; Huang, Pinshane Y. ; Berkelbach, Timothy C. ; Wang, Lei ; Zhang, Fan ; Hybertsen, Mark S. ; Muller, David A. ; Reichman, David R. ; Heinz, Tony F. ; Hone, James C. / Tailoring the electronic structure in bilayer molybdenum disulfide via interlayer twist. In: Nano letters. 2014 ; Vol. 14, No. 7. pp. 3869-3875.
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