?GaAs and GaP make solid solutions that have the same crystal structure as the parent
Chapter 12, Problem 12.79(choose chapter or problem)
GaAs and GaP make solid solutions that have the same crystal structure as the parent materials, with As and P randomly distributed throughout the crystal. \(\mathrm{GaP}_{x} \mathrm{As}_{1-x}\) exists for any value of x. If we assume that the band gap varies linearly with composition between x = 0 and x = 1, estimate the band gap for \(\mathrm{GaP}_{0.5} \mathrm{As}_{0.5}\). (GaAs and GaP band gaps are 1.43 eV and 2.26 eV, respectively.) What wavelength of light does this correspond to?
Text Transcription:
GaP_x As_1-x
GaP_0.5 As_0.5
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