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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. and Sigalas, Iakovos and Herrmann, Mathias and Dubronvinsky, Leonid and Dubrovinskaia, Natalia and Miyajima, Nobuyoshi and Mera, Gabriela and Riedel, Ralf (2011):
Characterization of the Materials Synthesized by High Pressure-High Temperature Treatment of a Polymer Derived t-BC2N Ceramic.
In: Materials, MDPI Publishing, pp. 2061-2072, 4, (12), ISSN 1996-1944,
[Online-Edition: http://dx.doi.org/10.3390/ma4122061],
[Article]

Abstract

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.

Item Type: Article
Erschienen: 2011
Creators: Matizamhuka, Wallace R. and Sigalas, Iakovos and Herrmann, Mathias and Dubronvinsky, Leonid and Dubrovinskaia, Natalia and Miyajima, Nobuyoshi and Mera, Gabriela and Riedel, Ralf
Title: Characterization of the Materials Synthesized by High Pressure-High Temperature Treatment of a Polymer Derived t-BC2N Ceramic
Language: English
Abstract:

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.

Journal or Publication Title: Materials
Volume: 4
Number: 12
Publisher: MDPI Publishing
Uncontrolled Keywords: boron carbonitride, polymer-derived ceramics, sintering, spectroscopy, X-ray diffraction
Divisions: 11 Department of Materials and Earth Sciences > Material Science > Dispersive Solids
11 Department of Materials and Earth Sciences > Material Science
11 Department of Materials and Earth Sciences
Date Deposited: 04 Apr 2012 07:57
Official URL: http://dx.doi.org/10.3390/ma4122061
Identification Number: doi:10.3390/ma4122061
Funders: DAAD for financial support, The National Research Foundation DST/CoE in Strong Materials South Africa for financial support, Deutsche Forschungsgemeinschaft, Bonn, Germany (DFG-Priority Program 1236), Fonds der Chemischen Industrie, Frankfurt, Germany
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