boron nitride

American  

noun

Chemistry.

1. a white powder, BN, formed by heating boron in nitrogen. In its ordinary form, it has a structure of stacked layers of hexagonal rings, very similar to that of graphite, and is used as a refractory electrical insulator.

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boron nitride British  

noun

1. a white inert crystalline solid existing both in a graphite-like form and in an extremely hard diamond-like form (borazon). It is used as a refractory, high temperature lubricant and insulator, and heat shield. Formula: BN

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Example Sentences

"Graphene and hexagonal boron nitride are very similar structurally but just different enough that you get exceptionally strong moiré effects."

From Science Daily • Dec. 21, 2023

For the new device, the researchers combined two different types of atomically thin materials: bilayer graphene and hexagonal boron nitride.

From Science Daily • Dec. 21, 2023

Prof Chen and his colleagues have found that they can use this to store gases including hydrogen in boron nitride powder.

From BBC • Nov. 7, 2022

Next, the researchers added tiny flakes of boron nitride, which flow easily and help fill any spaces between the metal oxides as the glass forms.

From Science Magazine • Jan. 6, 2022

This, says Geim, is what graphene could provide — as could, the team reports, another atomically thin sheet made of boron nitride.

From Nature • Nov. 26, 2014