Abstract
Using mechanochemical synthesis, we have prepared zirconium borohydride, Zr(BH4)4, as a precursor for ZrB2 film growth by chemical vapor deposition. We have carried out the thermodynamic modeling of phase formation processes in the Zr–B–(N)–H and Zr–B–(N)–H–O systems in a wide temperature range, from 100 to 2500°C, at various p(H2)/p(Zr(BH4)4) and p(NH3)/p(Zr(BH4)4) partial pressure ratios in the starting gas mixtures. A process has been proposed for the growth of zirconium diboride films by Zr(BH4)4 decomposition using two techniques: chemical vapor deposition and plasma-enhanced chemical vapor deposition. We also developed a process for the growth of multilayer ZrB2-and BC x N y -based structures.
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Original Russian Text © V.S. Sulyaeva, V.A. Shestakov, Yu.M. Rumyantsev, M.L. Kosinova, 2018, published in Neorganicheskie Materialy, 2018, Vol. 54, No. 2, pp. 146–152.
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Sulyaeva, V.S., Shestakov, V.A., Rumyantsev, Y.M. et al. Synthesis of Zirconium Diboride Films and ZrB2/BC x N y Heterostructures. Inorg Mater 54, 133–139 (2018). https://doi.org/10.1134/S0020168518020152
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DOI: https://doi.org/10.1134/S0020168518020152