Dear QE experts, How can we generate the pseudo-potential (by virtual.x distribution of Quantum Espresso) to simulate properties of random miscible alloys such as AlxGa1-xN as the specific system of interest. The valence configuration of Alluminium and Gallium is different (with and without d electron) so I've met a false. How can I solve it. Further, is is possible that wit QE we could use VCA with the *PBEsol* exchange-correlation (xc) functional then (if it is possible? ) use VCA with the TB09-MGGA xc-functional for bandstructure derived calculation. Is any references? Many thanks and regards, Tuoc Vu
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