Superhard phases of simple substances and binary compounds of the B-C-N-O system: from diamond to the latest results (a Review)

The basic known and hypothetic one- and two-element phases of the B-C-N-O system (both superhard phases having diamond and boron structures and precursors to synthesize them) are described. The attention has been given to the structure, basic mechanical properties, and methods to identify and charac...

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Bibliographic Details
Published inJournal of superhard materials Vol. 31; no. 3; pp. 139 - 157
Main Author Kurakevych, O. O.
Format Journal Article
LanguageEnglish
Published Heidelberg Allerton Press, Inc 01.06.2009
Subjects
Chemistry
Chemistry and Materials Science
Physical Chemistry
Production
Properties
Structure
diamond
superhard materials
the B-C-N-O system
high temperatures
phase transformations
high pressures
boron
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ISSN1063-4576
1934-9408
DOI10.3103/S1063457609030010

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Summary:The basic known and hypothetic one- and two-element phases of the B-C-N-O system (both superhard phases having diamond and boron structures and precursors to synthesize them) are described. The attention has been given to the structure, basic mechanical properties, and methods to identify and characterize the materials. For some phases that have been recently described in the literature the synthesis conditions at high pressures and temperatures are indicated.
ISSN:1063-4576
1934-9408
DOI:10.3103/S1063457609030010