Boron nitride and its development history

What is boron-nitride? Boron Nitride is a crystal made of nitrogen atoms, boron atoms. The chemical composition of Boron nitride is 43.6% Boron and 56.4% Nitrogen. There are four types: hexagonal boron Nitride, rhombohedral Borodal Nitride (RBN), cubic boren nitride [CBN], and wurtzite boron Boron (WBN). The development of boron-nitride Boron nitride More than 100…