Concepedia

Determination of absorption coefficients in AlInP lattice matched to GaAs

J. S. Cheong, Jo Shien Ng, A. B. Krysa, J. S. L. Ong, J.P.R. David

Journal of Physics D Applied Physics · 2015 · 16 citations · 23 references

DOI

Concepts

Abstract

The absorption properties of Al0.52In0.48P have been investigated near the fundamental absorption edge by measuring the photocurrent as a function of wavelength in a series of PIN and NIP diodes. Modelling of the photocurrent in these structures enables the absorption coefficients to be determined accurately over a wide dynamic range, which allows the direct and indirect band-gap to be determined.

References

23

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