Gallium Arsenide (GaAs)

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Crystallographic

Syngony Cubic
Symmetry Class 43m F43m
Lattice Constants a = 5.653 Å
 

Optical

Refractive Index at n8.0 3.34
Transmission Range, microns 1 - 15
Absorbance m (l), cm -1  
  at 8.0 microns 0.26
 

Thermal

Thermal Linear Expansion, °C-1
for 0-30 °C		 5.39 x 10-6
Thermal Conductivity, W/(m * °C)
at 25 °C		 46.05
Specific Heat Capacity, J/(kg * °C) 350
Melting Point, °C 1238
 

Mechanical

Density, g/cm3 at 20 °C 5.316
Mohs Hardness 4.5
Vickers Microhardness, Pa 6.9 x 109
Young Modulus (E), Pa 85 x 109
Poisson Ratio 0.31
 

Chemical

Molecular Weight 144.64
Solubility  
   in water, gram/100 cm3 insoluble
 

Ref. Index vs. Wavelength l

Wavelength, Microns Refractive Index
8.0 3.34
10.0 3.035
14.5 2.82
17.0 2.59
19.0 2.41

Custom sizes and specifications are available on request.

Overview of elements with access to our shop

1 18
H
 2 13 14 15 16 17
He
Li Be B C
N
O
F
Ne
Na Mg 3 4 5 6 7 8 9 10 11 12 Al Si P S
Cl
Ar
K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se
Br
Kr
Rb Sr Y Zr Nb Mo
Tc
 Ru Rh Pd Ag Cd In Sn Sb Te I
Xe
Cs Ba La Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi
Po
At
Ra
Fr
Ra
Ac
Ce Pr Nd
Pm
 Sm Eu Gd Tb Dy Ho Er Tm Yb Lu


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