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Why Hexagonal Boron Nitride Does Not Conduct Electricity

22-September-2022

Inorganic elements are crystals composed of nitrogen atoms and boron atoms. One is a diamond whose elemental composition is polymorphic, and one is shaped like a diamond. Another type of chart is the almost known substance, and the substance-like shape at its most essential is a very useful lubricant. Similar to graphite, the electrons of boron-containing platelet-shaped boron circulate in the Pi co-network in its network. Make metal conductivity at half the price.

 

Boron nitride is a crystal composed of nitrogen and boron atoms Bn. Boron nitride is polycrystalline: one shaped like a diamond, the other like graphite. Diamond-like is almost the hardest substance known, and graphite-like is a very useful lubricant. The low covalent nature of boron nitride, similar to graphite, circulates electrons in a network of Pi chains in its hexagonal sheet, making it a semi-metal with a lower conductivity than graphite.


Reasons why hexagonal boron nitride does not conduct electricity:

1. Electronic conductor, conductivity with electron carrier as the core, such as Cu, Ag, Au and other metals and graphite.

2. Ionic conductivity, conductivity with ionic carriers as the core, such as NaCl (melting), NaOH (melting).

3. Mixed conductors have both carrier electrons and ions.

4. In addition, some electrical conditions are not caused by carrier migration, but are caused by solid polarization under the action of an electric field, such as dielectric conditions and dielectric raw materials.

Hexagonal boron nitride does not have ions. It belongs to covalent compounds and cannot conduct electricity like graphite. Graphite can conduct electricity because it uses sp2 hybridization and has free electrons. And boron nitride uses sp3 hybridization, and has no free electrons, so it does not act as an ionic conductor.



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