[en] Thin carbon films prepared by pulsed plasma ion-assisted deposition of graphite in an atmosphere of a mixture of argon and nitrogen are studied. The results of characteristic electron energy loss spectroscopy and electron diffraction indicate the increase in the graphite component with increasing ion assistance energy. The use of ion assistance during the film deposition makes it possible to control their resistivity by changing it from 10⁵ to 10² Ω cm.

[en] The problem of charge exchange between a negative hydrogen ion and nanosystems (thin metal films and island films) is considered. Quantum-mechanical calculations show that the effectiveness of charge exchange is determined by the ion-surface distance and the structure of discrete electron energy levels inside the film. In turn, the structure of the discrete levels depends on the film’s geometric dimensions. The characteristics of charge exchange (the effectiveness of the electron transfer, the probability of charge exchange, the propagation velocity, and the average coordinate of the electron’s position inside the film) are calculated via solution of the nonstationary Schrödinger equation. It is shown that these quantities can also be approximated by a simple linear model of electron propagation.

[en] Films obtained by radio-frequency sputtering of monocrystalline polydiacetylene (PDA) are under study. The structure is studied by Raman spectroscopy, transmission electron microscopy, and X-ray photoelectron spectroscopy. It is shown that the obtained films have a heterogeneous structure containing agglomerates of nanosized inclusions of the initial PDA and irregular sp/sp² hybridized carbon chain fragments.

[en] The results of an investigation of thin ta-C coatings obtained by the method of pulse-plasma deposition concerning the peculiarities of their structural state and tribological behavior in boundary lubrication conditions have been presented. (paper)