Boron carbides are
boron
Boron is a chemical element with the symbol B and atomic number 5. In its crystalline form it is a brittle, dark, lustrous metalloid; in its amorphous form it is a brown powder. As the lightest element of the ''boron group'' it has th ...
–
carbon
Carbon () is a chemical element with the symbol C and atomic number 6. It is nonmetallic and tetravalent
In chemistry, the valence (US spelling) or valency (British spelling) of an element is the measure of its combining capacity with o ...
compounds.
Boron carbide (B4C)
B13C2
α-tetragonal boron
α-tetragonal boron is a boron-rich isotropic boron carbide (B
50C
2).
Borafullerenes
Borafullerene Borafullerenes are a class of heterofullerenes in which the element substituting for carbon is boron. They are also a member of the boron carbides Boron carbides are boron–carbon compounds.
Boron carbide (B4C)
B13C2
α-tetragonal boron
α-t ...
s are a class of
heterofullerene Heterofullerenes are classes of fullerenes, at least one carbon atom is replaced by another element. Based on spectroscopy, substitutions have been reported with boron (borafullerenes), nitrogen ( azafullerenes), oxygen, arsenic, germanium, phosp ...
s in which the element substituting for carbon is boron.
See also
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Crystal structure of boron-rich metal borides
Metals, and specifically rare-earth elements, form numerous chemical complexes with boron. Their crystal structure and chemical bonding depend strongly on the metal element M and on its atomic ratio to boron. When B/M ratio exceeds 12, boron atom ...
References
Sources
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{{boron compounds
Inorganic carbon compounds
Boron compounds