Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Chemical compound
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. The hexagonal form corresponding to graphite is the most stable and soft among BN polymorphs, and is therefore used as a lubricant and an additive to cosmetic products. The cubic (zincblende aka sphalerite structure) variety analogous to diamond is called c-BN; it is softer than diamond, but its thermal and chemical stability is superior. The rare wurtzite BN modification is similar to lonsdaleite but slightly softer than the cubic form.[6]
Because of excellent thermal and chemical stability, boron nitride ceramics are used in high-temperature equipment and metal casting. Boron nitride has potential use in nanotechnology.
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^ abcdHaynes, William M., ed. (2011). CRC Handbook of Chemistry and Physics (92nd ed.). Boca Raton, FL: CRC Press. p. 5.6. ISBN 1-4398-5511-0.
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^for h-BN
^for h-BN
^Brazhkin, Vadim V.; Solozhenko, Vladimir L. (2019). "Myths about new ultrahard phases: Why materials that are significantly superior to diamond in elastic moduli and hardness are impossible". Journal of Applied Physics. 125 (13): 130901. arXiv:1811.09503. Bibcode:2019JAP...125m0901B. doi:10.1063/1.5082739. S2CID 85517548.
Boronnitride is a thermally and chemically resistant refractory compound of boron and nitrogen with the chemical formula BN. It exists in various crystalline...
the mineral sodium borate, and the ultra-hard crystals of boron carbide and boronnitride. Boron is synthesized entirely by cosmic ray spallation and supernovae...
Boronnitride nanotubes (BNNTs) are a polymorph of boronnitride. They were predicted in 1994 and experimentally discovered in 1995. Structurally they...
Thus, cubic boronnitride, titanium nitride, and silicon nitride are used as cutting materials and hard coatings. Hexagonal boronnitride, which adopts...
GPa, it is one of the hardest known materials, behind cubic boronnitride and diamond. Boron carbide was discovered in the 19th century as a by-product...
the boronnitride to form magnesium nitride, which was the true catalyst. Magnesium nitride has also been applied to synthesize aluminum nitride nanocrystals...
Boronnitride nanosheet is a crystalline form of the hexagonal boronnitride (h-BN), which has a thickness of one atom. Similar in geometry as well as...
compounds. The intrinsic group includes diamond, cubic boronnitride (c-BN), carbon nitrides, and ternary compounds such as B-N-C, which possess an innate...
in CV joints and space vehicles. Does lubricate in vacuum. Hexagonal boronnitride. Used in space vehicles. Also called "white graphite." Tungsten disulfide...
Boronnitride aerogel is an aerogel made of highly porous boronnitride (BN). It typically consists of a mixture of deformed boronnitride nanotubes and...
capacitive method. A research team built an experimental system using boronnitride that produced much greater power than the Statkraft prototype. It used...
catalyst. Borazines undergo nucleophilic attack at boron and electrophilic attack at nitrogen. Boronnitride can be prepared by heating polyborazylene to 1000 °C...
nanotubes. In the diamond-like structure, called cubic boronnitride (tradename Borazon), boron atoms exist in the tetrahedral structure of carbon atoms...
Two dimensional hexagonal boronnitride (2D h-BN) is a material of comparable structure to graphene with potential applications in e.g. photonics., fuel...
"Determination of the optical band-gap energy of cubic and hexagonal boronnitride using luminescence excitation spectroscopy" (PDF). Journal of Physics:...
Borazon is a brand name of a cubic form of boronnitride (cBN). Its color ranges from black to brown and gold, depending on the chemical bond. It is one...
Graphene-BoronNitride nanohybrid materials are a class of compounds created from graphene and boronnitride nanosheets. Graphene and boronnitride both contain...
and finished only with abrasives of superior hardness such as cubic boronnitride and diamond powder, wheels and compounds. Colloquially among workers...
Anisotropic Metamaterials," PIER Lett, Vol. 34, pp. 75–82, 2012. "Combat BoronNitride" (PDF). Saint Gobain. Archived from the original (PDF) on 18 February...
Silicon nitride is a chemical compound of the elements silicon and nitrogen. Si 3N 4 (Trisilicon tetranitride) is the most thermodynamically stable and...
2011. Retrieved 1 September 2010. "What is the density of Hydrogenated BoronNitride Nanotubes (H-BNNT)?". space.stackexchange.com. Archived from the original...
Aluminium nitride (AlN) is a solid nitride of aluminium. It has a high thermal conductivity of up to 321 W/(m·K) and is an electrical insulator. Its wurtzite...
Gallium nitride (GaN) is a binary III/V direct bandgap semiconductor commonly used in blue light-emitting diodes since the 1990s. The compound is a very...
react with boron in steel to form B2O3 (boron trioxide); Fe3(CB) (iron boroncementite) and Fe23(CB)6 (iron boroncarbide); and BN (boronnitride) respectively...
just below that of diamond and comparable with those of cubic boronnitride and boron. Pure synthetic moissanite can also be made from thermal decomposition...
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