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Author: Mykola Ya. Shevchenko

  • Electronic properties of carbon nanostructures

    • Halyna Yu. Mykhailova
    • Mykola Ya. Shevchenko
    Materials Science. Non-Equilibrium Phase Transformations., Vol. 8 (2022), Issue 1, pg(s) 10-12
    • Abstract
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    •  Article PDF

    The properties of an array of carbon nanostructures or a material containing its is differ from the properties of individual components. For bulk array of carbon nanostructures it is unknown to what extent the electrons of each layer participate in conductivity, the role of defects is not defined. properties. So, this work presents some answers to these questions.

  • Features of electromechanical properties of carbon nanostructures

    • Mykola M. Yakymchuk
    • Halina Yu. Mykhailova
    • Iryna Ye. Galstian
    • Evgen G. Len
    • Mykola Ya. Shevchenko
    • Kirill O. Myronov
    • Bogdan V. Kovalchuk
    Materials Science. Non-Equilibrium Phase Transformations., Vol. 7 (2021), Issue 1, pg(s) 19-20
    • Abstract
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    •  Article PDF

    Non-standart properties of carbon nanomaterials and nanostructures open wide possibilities of their application. The electrical resistance of bulk arrays of carbon nanotubes in cyclic loading-unloading processes was studied. It is shown that when the volume of the powder sample decreases, the resistance first decreases sharply, and at a certain degree of compression the process of its chang e begins to occur more smoothly, which is associated with increased contacts between neighboring nanostructures and van der Waals bond between them.

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