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Identification of Turbostratic Bilayer Grephene in Carbon Tribolayers

Received: 10 January 2017     Accepted: 12 January 2017     Published: 6 February 2017
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Abstract

It is expected that friction forces should cause drastic changes in the structure of rubbed off trace of sp2 bulk graphite (carbon tribolayer or CTL). In this work we studied some properties of CTL. It is found that CTL contains segments of different transmission of light unique to carbon allotropes different from sp2. X-ray diffraction (XRD) pattern, optical absorption spectra reveal a sp2 crystalline structure on the surface of CTL. The Raman spectrum shows distinguished and narrow peaks with symmetrical line shape. Intensity ratio of 2D and G peaks is close to 1 which is characteristic of two-layer graphene. Increased interlayers pacing measured by XRD as well as symmetry of 2D peak of Raman spectra testifies to the presence of turbostratic two-layer sp2 phase at the surface of CTL.

Published in American Journal of Nano Research and Applications (Volume 5, Issue 3-1)

This article belongs to the Special Issue Nanotechnologies

DOI 10.11648/j.nano.s.2017050301.16
Page(s) 22-25
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2017. Published by Science Publishing Group

Keywords

Tribology, Raman Spectra, Turbostratic Graphene

References
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Cite This Article
  • APA Style

    A. Mailian, Zh. Panosyan, Y. Yengibaryan, N. Margaryan, M. Mailian. (2017). Identification of Turbostratic Bilayer Grephene in Carbon Tribolayers. American Journal of Nano Research and Applications, 5(3-1), 22-25. https://doi.org/10.11648/j.nano.s.2017050301.16

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    ACS Style

    A. Mailian; Zh. Panosyan; Y. Yengibaryan; N. Margaryan; M. Mailian. Identification of Turbostratic Bilayer Grephene in Carbon Tribolayers. Am. J. Nano Res. Appl. 2017, 5(3-1), 22-25. doi: 10.11648/j.nano.s.2017050301.16

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    AMA Style

    A. Mailian, Zh. Panosyan, Y. Yengibaryan, N. Margaryan, M. Mailian. Identification of Turbostratic Bilayer Grephene in Carbon Tribolayers. Am J Nano Res Appl. 2017;5(3-1):22-25. doi: 10.11648/j.nano.s.2017050301.16

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  • @article{10.11648/j.nano.s.2017050301.16,
      author = {A. Mailian and Zh. Panosyan and Y. Yengibaryan and N. Margaryan and M. Mailian},
      title = {Identification of Turbostratic Bilayer Grephene in Carbon Tribolayers},
      journal = {American Journal of Nano Research and Applications},
      volume = {5},
      number = {3-1},
      pages = {22-25},
      doi = {10.11648/j.nano.s.2017050301.16},
      url = {https://doi.org/10.11648/j.nano.s.2017050301.16},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.nano.s.2017050301.16},
      abstract = {It is expected that friction forces should cause drastic changes in the structure of rubbed off trace of sp2 bulk graphite (carbon tribolayer or CTL). In this work we studied some properties of CTL. It is found that CTL contains segments of different transmission of light unique to carbon allotropes different from sp2. X-ray diffraction (XRD) pattern, optical absorption spectra reveal a sp2 crystalline structure on the surface of CTL. The Raman spectrum shows distinguished and narrow peaks with symmetrical line shape. Intensity ratio of 2D and G peaks is close to 1 which is characteristic of two-layer graphene. Increased interlayers pacing measured by XRD as well as symmetry of 2D peak of Raman spectra testifies to the presence of turbostratic two-layer sp2 phase at the surface of CTL.},
     year = {2017}
    }
    

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  • TY  - JOUR
    T1  - Identification of Turbostratic Bilayer Grephene in Carbon Tribolayers
    AU  - A. Mailian
    AU  - Zh. Panosyan
    AU  - Y. Yengibaryan
    AU  - N. Margaryan
    AU  - M. Mailian
    Y1  - 2017/02/06
    PY  - 2017
    N1  - https://doi.org/10.11648/j.nano.s.2017050301.16
    DO  - 10.11648/j.nano.s.2017050301.16
    T2  - American Journal of Nano Research and Applications
    JF  - American Journal of Nano Research and Applications
    JO  - American Journal of Nano Research and Applications
    SP  - 22
    EP  - 25
    PB  - Science Publishing Group
    SN  - 2575-3738
    UR  - https://doi.org/10.11648/j.nano.s.2017050301.16
    AB  - It is expected that friction forces should cause drastic changes in the structure of rubbed off trace of sp2 bulk graphite (carbon tribolayer or CTL). In this work we studied some properties of CTL. It is found that CTL contains segments of different transmission of light unique to carbon allotropes different from sp2. X-ray diffraction (XRD) pattern, optical absorption spectra reveal a sp2 crystalline structure on the surface of CTL. The Raman spectrum shows distinguished and narrow peaks with symmetrical line shape. Intensity ratio of 2D and G peaks is close to 1 which is characteristic of two-layer graphene. Increased interlayers pacing measured by XRD as well as symmetry of 2D peak of Raman spectra testifies to the presence of turbostratic two-layer sp2 phase at the surface of CTL.
    VL  - 5
    IS  - 3-1
    ER  - 

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Author Information
  • Center for Scientific Information, Institute for Informatics, Yerevan, Armenia

  • Heliotechnic Laboratory, State Engineering University, Yerevan, Armenia

  • Heliotechnic Laboratory, State Engineering University, Yerevan, Armenia

  • Heliotechnic Laboratory, State Engineering University, Yerevan, Armenia

  • DCV Group, LTX–Credence, Yerevan, Armenia

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