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Characterization of the materials synthesized by high pressure-high temperature treatment of a polymer derived t-BC2N ceramic

: Matizamhuka, Wallace R.; Sigalas, Iakovos; Herrmann, Mathias; Dubronvinsky, Leonid; Dubrovinskaia, Natalia; Miyajima, Nobuyoshi; Mera, Gabriela; Riedel, Ralf


Materials 4 (2011), No.12, pp.2061-2072
ISSN: 1996-1944
Deutsche Forschungsgemeinschaft DFG
Journal Article
Fraunhofer IKTS ()
boron carbonitride; polymer-derived ceramic; sintering; spectroscopy; X-ray diffraction

Bulk B-C-N materials were synthesized under static high thermobaric conditions (20 GPa and 2,000 °C) in a multianvil apparatus from a polymer derived t-BC1.97N ceramic. The bulk samples were characterised using X-ray synchrotron radiation and analytical transmission electron microscopy in combination with electron energy loss spectroscopy. Polycrystalline B-C-N materials with a cubic type structure were formed under the applied reaction conditions, but the formation of a ternary cubic diamond-like c-BC2N compound, could not be unambiguously confirmed.