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Russian Journal of General Chemistry

, Volume 83, Issue 11, pp 2173–2181 | Cite as

Electrical and magnetic properties of nanodiamond and pyrocarbon composites

  • N. I. Kiselev
  • D. A. Velikanov
  • S. B. Korchagina
  • E. A. Petrakovskaya
  • A. D. Vasil’ev
  • L. A. Solov’ev
  • D. A. Balaev
  • O. A. Bayukov
  • I. A. Denisov
  • S. S. Tsegel’nik
  • E. V. Eremin
  • D. A. Znak
  • K. A. Shaikhutdinov
  • A. A. Shubin
  • N. P. Shestakov
  • N. V. Volkov
  • S. K. Gordeev
  • P. I. Belobrov
Supplement: Rossiiskii Khimicheskii Zhurnal-Zhurnal Rossiiskogo Khimicheskogo Obshchestva im. D.I. Mendeleeva (Russian Chemistry Journal)
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Abstract

The electrical and magnetic properties of the nanodiamond composites comprising nanodiamond, pyrolytic carbon, and nanosized pores were studied. The composites are p-type semiconductors and their resistance decreases by 12 orders of magnitude as the pyrocarbon-to-diamond ratio γ increases from 0 to 80 wt %. Evidence for paramagnetic properties of the nanodiamond composites was obtained. The observed properties are explained by increased concentration of surface Tamm states. The paramagnetic properties are explained in terms of the electron spins localized on the nanodiamond surface in the composite.

Keywords

General Chemistry Aerosil Diamond Particle Paramagnetic Property Surface Electronic State 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Pleiades Publishing, Ltd. 2013

Authors and Affiliations

  • N. I. Kiselev
    • 1
  • D. A. Velikanov
    • 1
  • S. B. Korchagina
    • 2
  • E. A. Petrakovskaya
    • 1
  • A. D. Vasil’ev
    • 1
  • L. A. Solov’ev
    • 3
  • D. A. Balaev
    • 1
  • O. A. Bayukov
    • 1
  • I. A. Denisov
    • 4
  • S. S. Tsegel’nik
    • 4
  • E. V. Eremin
    • 1
  • D. A. Znak
    • 4
  • K. A. Shaikhutdinov
    • 1
  • A. A. Shubin
    • 4
  • N. P. Shestakov
    • 1
  • N. V. Volkov
    • 1
  • S. K. Gordeev
    • 2
  • P. I. Belobrov
    • 4
  1. 1.Kirenskii Institute of Physics, Siberian BranchRussian Academy of SciencesKrasnoyarskRussia
  2. 2.Central Research Institute of Materials Federal Unitary EnterpriseSt. PeterburgRussia
  3. 3.Institute of Chemistry and Chemical Technology, Siberian BranchRussian Academy of SciencesKrasnoyarskRussia
  4. 4.Youth Open Laboratory of Perspective Research and Technology, Institute of Biophysics, Siberian Branch, Russian Academy of SciencesSiberian Federal UniversityKrasnoyarskRussia

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