Transport Gap Opening and High On-Off Current Ratio in Trilayer Graphene with Self-Aligned Nanodomain Boundaries

Han Chun Wu, Alexander N. Chaika, Tsung Wei Huang, Askar Syrlybekov, Mourad Abid, Victor Yu Aristov, Olga V. Molodtsova, Sergey V. Babenkov, D. Marchenko, Jaime Sánchez-Barriga, Partha Sarathi Mandal, Andrei Yu Varykhalov, Yuran Niu, Barry E. Murphy, Sergey A. Krasnikov, Olaf Lübben, Jing Jing Wang, Huajun Liu, Li Yang, Hongzhou Zhang & 5 others Mohamed Abid, Yahya T. Janabi, Sergei N. Molotkov, Ching Ray Chang, Igor Shvets

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Trilayer graphene exhibits exceptional electronic properties that are of interest both for fundamental science and for technological applications. The ability to achieve a high on-off current ratio is the central question in this field. Here, we propose a simple method to achieve a current on-off ratio of 104 by opening a transport gap in Bernal-stacked trilayer graphene. We synthesized Bernal-stacked trilayer graphene with self-aligned periodic nanodomain boundaries (NBs) on the technologically relevant vicinal cubic-SiC(001) substrate and performed electrical measurements. Our low-temperature transport measurements clearly demonstrate that the self-aligned periodic NBs can induce a charge transport gap greater than 1.3 eV. More remarkably, the transport gap of ∼0.4 eV persists even at 100 K. Our results show the feasibility of creating new electronic nanostructures with high on-off current ratios using graphene on cubic-SiC.

Original languageEnglish
Pages (from-to)8967-8975
Number of pages9
JournalACS Nano
Volume9
Issue number9
DOIs
Publication statusPublished - Sep 22 2015
Externally publishedYes

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Graphene
graphene
electronics
Electronic properties
electrical measurement
Charge transfer
Nanostructures
Substrates
Temperature

Keywords

  • ARPES
  • nanodomain boundary
  • scanning tunneling microscopy
  • transport gap
  • trilayer graphene

ASJC Scopus subject areas

  • Engineering(all)
  • Materials Science(all)
  • Physics and Astronomy(all)

Cite this

Transport Gap Opening and High On-Off Current Ratio in Trilayer Graphene with Self-Aligned Nanodomain Boundaries. / Wu, Han Chun; Chaika, Alexander N.; Huang, Tsung Wei; Syrlybekov, Askar; Abid, Mourad; Aristov, Victor Yu; Molodtsova, Olga V.; Babenkov, Sergey V.; Marchenko, D.; Sánchez-Barriga, Jaime; Mandal, Partha Sarathi; Varykhalov, Andrei Yu; Niu, Yuran; Murphy, Barry E.; Krasnikov, Sergey A.; Lübben, Olaf; Wang, Jing Jing; Liu, Huajun; Yang, Li; Zhang, Hongzhou; Abid, Mohamed; Janabi, Yahya T.; Molotkov, Sergei N.; Chang, Ching Ray; Shvets, Igor.

In: ACS Nano, Vol. 9, No. 9, 22.09.2015, p. 8967-8975.

Research output: Contribution to journalArticle

Wu, HC, Chaika, AN, Huang, TW, Syrlybekov, A, Abid, M, Aristov, VY, Molodtsova, OV, Babenkov, SV, Marchenko, D, Sánchez-Barriga, J, Mandal, PS, Varykhalov, AY, Niu, Y, Murphy, BE, Krasnikov, SA, Lübben, O, Wang, JJ, Liu, H, Yang, L, Zhang, H, Abid, M, Janabi, YT, Molotkov, SN, Chang, CR & Shvets, I 2015, 'Transport Gap Opening and High On-Off Current Ratio in Trilayer Graphene with Self-Aligned Nanodomain Boundaries', ACS Nano, vol. 9, no. 9, pp. 8967-8975. https://doi.org/10.1021/acsnano.5b02877
Wu, Han Chun ; Chaika, Alexander N. ; Huang, Tsung Wei ; Syrlybekov, Askar ; Abid, Mourad ; Aristov, Victor Yu ; Molodtsova, Olga V. ; Babenkov, Sergey V. ; Marchenko, D. ; Sánchez-Barriga, Jaime ; Mandal, Partha Sarathi ; Varykhalov, Andrei Yu ; Niu, Yuran ; Murphy, Barry E. ; Krasnikov, Sergey A. ; Lübben, Olaf ; Wang, Jing Jing ; Liu, Huajun ; Yang, Li ; Zhang, Hongzhou ; Abid, Mohamed ; Janabi, Yahya T. ; Molotkov, Sergei N. ; Chang, Ching Ray ; Shvets, Igor. / Transport Gap Opening and High On-Off Current Ratio in Trilayer Graphene with Self-Aligned Nanodomain Boundaries. In: ACS Nano. 2015 ; Vol. 9, No. 9. pp. 8967-8975.
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