Gallium Arsenide - GaAs

Classification: Arsenide
Atomic numbers: 31 & 33
Atomic weight: 145
Melting point (C): 1260 (1230)
Boiling point (C):
Density (g/cm3): 5.37
Thermal conductance (W/cm/C at 300 F: 0.46
Coefficient of linear thermal expansion (L/L T(1/C) x exp10(-6): 5.6
Specific heat (J/g/C): 0.35
Lattice constant (A): 5.654 (5.63)
Dieletric constant (e=): 10.9
Vapor pressure (C) at 1050 C: 1
Refractive index (n=): 3.53
Energy gap (eV): 1.35
Hardness (Mosh-scratch): 7-7
Crystal structure: Isometric-normal: (100) cube, fcc
Color (solid): Grey-silver
Cleavage: Cubic: (001)






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