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Novel Ultrahard Materials
Author(s) -
Riedel Ralf
Publication year - 1994
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.19940060705
Subject(s) - materials science , diamond , boron , carbon fibers , nanotechnology , engineering physics , composite material , organic chemistry , composite number , chemistry , engineering
Superhard materials are needed to replace diamond in applications at high temperatures, where diamond is unstable. Novel carbon‐ and boron‐based materials are described whose discovery or postulation has greatly stimulated research in this area. The use of calculations to predict the properties of new materials is illustrated for B‐C 3 N 4 , which was synthesized only after its structure (see Figure) had been calculated.