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Single-Crystals of a New Carbon Nitride Phase with all-sp3 Carbon

Published online by Cambridge University Press:  26 February 2011

Peter Kroll ,
Elizabetha Horvath-Bordon ,
Ralf Riedel ,
Paul F McMillan ,
Peter van Aken ,
Gerhard Miehe ,
Peter Hoppe  and
Reinhard Boehler
Peter Kroll
Affiliation:
[email protected], RWTH Aachen, Inorganic Chemistry, Landoltweg 1, Aachen, N/A, Germany
Elizabetha Horvath-Bordon
Affiliation:
[email protected], Technische Universität Darmstadt, Material- und Geowissenschaften, Darmstadt, 64287, Germany
Ralf Riedel
Affiliation:
[email protected], Technische Universität Darmstadt, Material- und Geowissenschaften, Darmstadt, 64287, Germany
Paul F McMillan
Affiliation:
[email protected], University College London, Department of Chemistry, Christopher Ingold Laboratories, London, WC1H 0AJ, United Kingdom
Peter van Aken
Affiliation:
[email protected], Max-Planck-Institut für Metallforschung, Stuttgart, 70569, Germany
Gerhard Miehe
Affiliation:
[email protected], Technische Universität Darmstadt, Material- und Geowissenschaften, Darmstadt, 64287, Germany
Peter Hoppe
Affiliation:
[email protected], Max-Planck-Institute for Chemistry, Particle Chemistry Department, Mainz, 55020, Germany
Reinhard Boehler
Affiliation:
[email protected], Max-Planck-Institut für Chemie, Hochdruck-Mineralphysik, Mainz, 55020, Germany
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Abstract

We prepared a carbon nitride compound by treating the molecular precursor C2N4H4 in a laser-heated diamond-anvil-cell (LH-DAC) at pressures exceeding 27 GPa and temperatures above 1700°C. After quenching we recovered single crystals of the new material with diameters of about 1 μm. Using several experimental characterization techniques in conjunction with computational methods we determined composition, hybridization of constituting atoms, and the crystal structure. The new carbon nitride imide, C2N2(NH), adopts a defect-wurtzite structure and is isotypic to Si2N2(NH).

Keywords

hardnessnitridecrystal
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 987: Symposium PP – Materials Research at High Pressure , 2006 , 0987-PP01-06
Copyright
Copyright © Materials Research Society 2007

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