What are the application differences among boron nitride, boron carbide and lanthanum hexaboride?

August 12, 2026

Hexagonal boron nitride is used for thermal management of AI chips; cubic boron nitride for precision polishing of SiC wafers; boron carbide as lightweight neutron shielding structural material for civilian use; lanthanum/cerium hexaboride as electron gun cathodes for electron microscopes and plasma sources for semiconductor equipment.

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