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Journal Article

Nanostructured SiC/BN/C ceramics derived from mixtures of B3N3H6 and [HSi(Me)C≡C]n

MPS-Authors
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Müller,  A.
Abteilung Jansen, Former Departments, Max Planck Institute for Solid State Research, Max Planck Society;

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Sigle,  W.
Scientific Facility Stuttgart Center for Electron Microscopy (Peter A. van Aken), Max Planck Institute for Solid State Research, Max Planck Society;

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Müller,  K.
Scientific Facility Interface Analysis (Ulrich Starke), Max Planck Institute for Solid State Research, Max Planck Society;

/persons/resource/persons280648

Weinmann,  M.
Abteilung Jansen, Former Departments, Max Planck Institute for Solid State Research, Max Planck Society;

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Citation

Müller, A., Gerstel, P., Bunjes, N., Berger, F., Sigle, W., Müller, K., et al. (2006). Nanostructured SiC/BN/C ceramics derived from mixtures of B3N3H6 and [HSi(Me)C≡C]n. International Journal of Materials Research, 97(6), 721-728.


Cite as: https://hdl.handle.net/21.11116/0000-000E-FB9A-A
Abstract
Three borazine-modified polycarbosilanes were synthesized by reaction
of poly[ 1,2-ethynediyl-(methylsilylene)], [HSi(Me)C C](n), and
borazine, B3N3H6 using different stoichiometries. The polymeric
precursors were transformed into inorganic Si - B - C - N materials by
solid state thermolysis at 1400 degrees C each in 88% yield. High
temperature thermogravimetric analysis in an argon atmosphere showed no
substantial decomposition reactions below 1800 degrees C.
Crystallization behavior up to 2000 degrees C in a nitrogen atmosphere
was studied by post-thermolysis heat treatment of as-obtained ceramics
at various temperatures and subsequent examination of samples at room
temperature using powder X-ray diffraction. Ceramics annealed at 1800
degrees C were additionally characterized by transmission electron
microscopy.