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  1. No Access

    Article

    Calculation of the temperature distribution at the HPHT growing of diamond single crystals in cells with two growth layers

    Finite element method was used to calculate the distribution of temperatures in growth cells of the toroid TC-40 -type HPA. The experimental investigations of the process of growing type IIa diamond single cry...

    A. V. Burchenia, V. V. Lysakovs’kii, S. O. Gordeyev… in Journal of Superhard Materials (2017)

  2. No Access

    Article

    Defect-and-impurity state of type Ib diamond single crystals of cubic habit

    Type Ib diamond single crystals of size to 5–6 mm and to 2.4 carats in weight have been grown at high pressures and temperatures. The defect-and-impurity state and dislocation structures of these crystals have...

    E. M. Suprun, V. A. Kalenchuk, S. A. Ivakhnenko… in Journal of Superhard Materials (2016)

  3. No Access

    Article

    Analysis of the fundamental absorption edge in amorphous hydrogenated carbon films

    Optical spectroscopy was used to study the high-energy region of the fundamental absorption edge in films of amorphous hydrogenated carbon obtained for various deposition parameters. The slope of the absorptio...

    A. V. Vasin, L. A. Matveeva, A. M. Kutsai in Technical Physics Letters (1999)