Dear users and experts, I am trying to calculate the band gap and plot the band structure of the Pb-Sn-Se-Te high entropy alloy, which has been observed to have an Fm-3m space group symmetry with atoms Pb and Sn occupying the same sites and Se and Te occupying the same sites (Zhao et al, 2015: https://doi.org/10.1080/21663831.2016.1244116 ).
Kindly guide me as to how to define this structure in QE. Thanks and Regards, *Sriram A* B.Tech Metallurgical and Materials Engineering, National Institute of Technology Tiruchirappalli Tiruchirappalli 620015
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