Aluminium Nitride - AlN

Classification: Nitride
Atomic numbers: 13 & 7
Atomic weight: 40.98
Melting point (C): 2400
Boiling point (C):
Density (g/cm3): 3.05
Refractive index (n=): 1.9-2.2
Band gap (eV): 6.3
Coefficient of thermal expansion (x exp10(-6) cm/cm/C): 4.2/5.3
Hardness (Mosh-scratch): 7+
Hardness (Vickers-kfg/mm2): 3500
Crystal structure: (1120) prism, hexagonal-hemimorphic
Color (solid): Yellowish
Cleavage: (1120)















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