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Formula Energy band gap of GaAs (temperature dependence)

Formula: Energy band gap of GaAs (temperature dependence)

Energy band gap

Unit
Energy band gap of gallium arsenide (GaAs), that is, the energy gap between the valence band maximum and conduction band minimum..
Temperature \(T\)Energy gap \(E_{\text g}\)
0 K1.522 eV
300 K1.435 eV
1000 K1.076 eV
Bandgap of GaAs for three different temperatures.

This formula for the temperature dependence of the band gap is an experimental fit.

Temperature

Unit
Temperature of the GaAs material in Kelvin. The band gap increases linearly with temperature.