Zn-diffusion-induced intermixing of InGaAs/InP multiple quantum well structures

Kiichi Nakashima, Yoshihiro Kawaguchi, Yuichi Kawamura, Yoshihiro Imamura, H. Asahi

Applied Physics Letters · 1988 · 53 citations · 12 references

Concepts

Abstract

The intermixing process of InGaAs/InP multiple quantum well structures by Zn diffusion at 550 °C is investigated. Secondary ion mass spectroscopy and x-ray analysis reveal that Zn diffusion induces the intermixing of group III atoms, but has little effect on group V profiles. However, resulting group III atom profiles are not completely uniform even after Zn diffusion. These results suggest that large lattice mismatch suppresses the intermixing process by Zn diffusion.

References

12