Boron Nitride - BN

Classification: Nitride
Atomic numbers: 5 & 7
Atomic weight: 24.8
Melting point (C): 2730
Boiling point (C):
Density (g/cm3): 2.25
Refractive index (n=): 1.54-1.68
Band gap (eV): 3-10
Coefficient of linear thermal expansion (x exp10(-6) cm/cm/C): 7.5 //c-axis
Hardness (Mosh-scratch): 8+
Crystal structure: Hexagonal-normal: (1010) prism, isometric-normal: (100) cube
Color (solid): White
Cleavage: Dodocahedral: (110)











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