Abstract
The phonon spectra of the mixed crystal Mg x Zn 1− x Te (0 ≤ X ≤ 0.48) in the zinc-blende phase are investigated by Raman scattering. The phonon frequencies exhibit a dependence on the Mg concentration. The disorder induced one-phonon and two-phonon modes are present in the Raman spectra for X ≥ 0.16. The Raman intensity ratio between first-order and second-order phonon modes was a good indicator to characterize the degree of disorder in the mixed crystals.
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