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J. Sib. Fed. Univ. Math. Phys., 2011, Volume 4, Issue 2, Pages 143–148 (Mi jsfu171)  

This article is cited in 3 scientific papers (total in 3 papers)

Temperature dependences of conductivity and magnetoconductivity of multiwall carbon nanotubes annealed at different temperatures

Sergey D. Borodanovab, Anatoly I. Romanenkoab, Olga B. Anikeevaab, Vladimir L. Kuznetsovac, Karina V. Elumeevaac, Sergey I. Moseenkovac

a Novosibirsk State University, Novosibirsk, Russia
b Nikolaev Institute of Inorganic Chemistry, SB RAS, Novosibirsk, Russia
c Boreskov Institute of Catalysis, SB RAS, Novosibirsk, Russia

Abstract: Temperature (in range 4.2–300 K) and magnetic field (in fields up to 10 kG at 4.2 K) dependences of the conductivity of two sets of multiwall carbon nanotubes with different average diameters (8–10 nm and 20–22 nm) heated at various temperatures (1600, 2200, 2600, 2800 $^\circ$ C) were investigated. Temperature dependences for nanotubes with average diameter 20–22 nm is typical for quantum corrections to conductivity of the systems with interaction electrons in two dimensional conductors with local disorder. For nanotubes with average diameter 8–10 nm temperature dependences corresponds to one-dimensional variable range hopping conductivity (VRHC). The variation of annealing temperature of MWNTs influence on the contribution of corrections to conductivity and parameters of VRHC. The magnetoconductivity of MWNTs also depends on the annealing temperature and is less than that of highly oriented pyrographite. Annealed MWNTs with average diameter 20–22 nm has a positive magnetoconductivity.

Keywords: conductivity, magnetoconductivity, annealed multiwall carbon nanotubes, one-dimensional variable range hopping, quantum corrections to conductivity.

Full text: PDF file (366 kB)
References: PDF file   HTML file
UDC: 537.311.3+537.312.6+537.312.8
Received: 10.09.2010
Received in revised form: 10.11.2010
Accepted: 20.12.2010
Language:

Citation: Sergey D. Borodanov, Anatoly I. Romanenko, Olga B. Anikeeva, Vladimir L. Kuznetsov, Karina V. Elumeeva, Sergey I. Moseenkov, “Temperature dependences of conductivity and magnetoconductivity of multiwall carbon nanotubes annealed at different temperatures”, J. Sib. Fed. Univ. Math. Phys., 4:2 (2011), 143–148

Citation in format AMSBIB
\Bibitem{BorRomAni11}
\by Sergey~D.~Borodanov, Anatoly~I.~Romanenko, Olga~B.~Anikeeva, Vladimir~L.~Kuznetsov, Karina~V.~Elumeeva, Sergey~I.~Moseenkov
\paper Temperature dependences of conductivity and magnetoconductivity of multiwall carbon nanotubes annealed at different temperatures
\jour J. Sib. Fed. Univ. Math. Phys.
\yr 2011
\vol 4
\issue 2
\pages 143--148
\mathnet{http://mi.mathnet.ru/jsfu171}


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    This publication is cited in the following articles:
    1. Macutkevic J., Kuzhir P., Paddubskaya A., Shuba M., Banys J., Maksimenko S., Kuznetsov V.L., Mazov I.N., Krasnikov D.V., “Influence of Carbon-Nanotube Diameters on Composite Dielectric Properties”, Phys. Status Solidi A-Appl. Mat., 210:11 (2013), 2491–2498  crossref  isi  elib  scopus
    2. Elumeeva K.V., Kuznetsov V.L., Ischenko A.V., Smajda R., Spina M., Forro L., Magrez A., “Reinforcement of Cvd Grown Multi-Walled Carbon Nanotubes by High Temperature Annealing”, AIP Adv., 3:11 (2013), 112101  crossref  isi  elib  scopus
    3. S. M. Khantimerov, P. N. Togulev, E. F. Kukovitsky, N. M. Lyadov, N. M. Suleimanov, “Effect of electrochemical treatment on electrical conductivity of conical carbon nanotubes”, J. Nanotechnol., 2016, 8034985  crossref  isi  scopus
  • Журнал Сибирского федерального университета. Серия "Математика и физика"
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