Properties of Nanocomposite Nickel-Carbon Films Deposited by Magnetron Sputtering

A. S. Grenadyorov, K. V. Oskomov, A. A. Solov’ev, S. V. Rabotkin, A. N. Zakharov, V. A. Semenov, V. O. Oskirko, Yu I. Yelgin, O. S. Korneva

Research output: Contribution to journalArticlepeer-review


The method of magnetron sputtering was used to produce a-C and a-C:Ni films on substrates of monocrystalline silicon and thermoelectric material of n-type ((Bi2Te3)0.94(Bi2Se3)0.06) and p-type ((Bi2Te3)0.20(Sb2Te3)0.80) conductivity. The authors studied the effect of Ni concentration on specific electric resistance, hardness and adhesion of the produced films. It was demonstrated that specific resistance of a-C films deposited by graphite target sputtering when supplying high bias voltage onto the substrate can be reduced by increasing the share of graphitized carbon. Adding Ni to such films allows additionally reducing their specific resistance. The increase in Ni content is accompanied with the decrease in hardness and adhesion of a-C:Ni films. The acquired values of specific electric resistance and adhesion of a-C:Ni films to thermoelectric materials allow using them as barrier anti-diffusion coatings of thermoelectric modules.

Original languageEnglish
Pages (from-to)1285-1290
Number of pages6
JournalRussian Physics Journal
Issue number8
Publication statusPublished - 1 Dec 2017


  • adhesion
  • amorphous carbon films
  • anti-diffusion layer
  • conductivity
  • hardness
  • thermoelectric converters

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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