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Boron nitride is a thermally and chemically resistant refractory compound of boron and nitrogen with the chemical formula BN.It exists in various crystalline forms that are isoelectronic to a similarly structured carbon lattice.
Boron nitride nanosheet is a crystalline form of the hexagonal boron nitride (h-BN), which has a thickness of one atom. Similar in geometry as well as physical and ...
Two dimensional hexagonal boron nitride (2D h-BN) is a material of comparable structure to graphene with potential applications in e.g. photonics., [1] fuel cells [2] and as a substrate for two-dimensional heterostructures. [3] 2D h-BN is isostructural to graphene, but where graphene is conductive, 2D h-BN is a wide-gap insulator. [3]
Boron nitride nanotubes (BNNTs) are a polymorph of boron nitride. They were predicted in 1994 [ 2 ] and experimentally discovered in 1995. [ 3 ] Structurally they are similar to carbon nanotubes , which are cylinders with sub-micrometer diameters and micrometer lengths, except that carbon atoms are alternately substituted by nitrogen and boron ...
However, unlike hexagonal boron nitride, which lacks electrons in the plane of the covalent atoms, the delocalized electrons in magnesium diboride allow it to conduct electricity similar to isoelectronic graphite. In 2001, this material was found to be a high-temperature superconductor. [7] [8] It is a superconductor under active development.
Hexagonal boron nitride is a ceramic powder lubricant. The most interesting lubricant feature is its high temperature resistance of 1200 °C service temperature in an oxidizing atmosphere. Furthermore, boron nitride has a high thermal conductivity. (Cubic boron nitride is very hard and used as an abrasive and cutting tool component.)