1981
DOI: 10.1002/pssb.2221070129
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Disorder‐induced broadening for free direct excitons in II–VI and III–V semiconducting mixed crystals

Abstract: A theoretical model is presented which is a modified version of an earlier description of indirect excitons in semiconductor mixed crystals. The influence of short-range disorder on the broadening of free direct exciton lines from the scattering of the exciton by this disorder potential is studied.This leads for 11-VI mixed crystals to a remarkable contribution to the observed disorder-induced broadening of the exciton lines while for the 111-V mixed crystals this contribution is negligibly small.Es wird ein t… Show more

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Cited by 12 publications
(1 citation statement)
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“…With vanishing binding energy (x & 0.23) the BE becomes strongly delocalized leading t o a small DOS of the free PIC exciton (halfwidth less than 1 meV) in accordance with experimental data[5]. In contrast to the paper of Mariette et al[2], we could not find a saturation effect of the line broadening for x & 0.8.…”
supporting
confidence: 85%
“…With vanishing binding energy (x & 0.23) the BE becomes strongly delocalized leading t o a small DOS of the free PIC exciton (halfwidth less than 1 meV) in accordance with experimental data[5]. In contrast to the paper of Mariette et al[2], we could not find a saturation effect of the line broadening for x & 0.8.…”
supporting
confidence: 85%