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Bandgap bowing and spontaneous ordering in ZnSe_{x}Te_{1-x}

Freytag, B. ; Pavone, Pasquale ; Rössler, Ulrich ; Wolf, K. ; Lankes, S. ; Schötz, G. ; Naumov, A. ; Jilka, S. ; Stanzl, H. ; Gebhardt, Wolfgang
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Date of publication of this fulltext: 05 Aug 2009 13:28


Abstract

We present the results of experimental investigations on bandgap bowing and spontaneous ordering in MOVPE grown ZnSe$_{x}$Te$_{1-x}$. The bowing parameter of b = 1.40 ± 0.05eV found from different optical measurements on our epilayers is slightly larger than values found earlier from bulk material, indicating the possibility of spontaneous ordering in our samples. Ab-initio calculations for ...

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