Hi all,
I'm going to use ultrasoft pseudopotential (USPP) to calculate the x-spectra of hematite (Fe2O3). But according to the examples in the package, it seems that only gipaw PP can be used to generate the Fe.wfc by upf2plotcore.sh. I went through all the Fe USPP on QE website. There is only one gipaw: Fe.pbe-sp-mt_gipaw.UPF. But it's norm-conserved pseudopotential (NCPP), and it says: Suggested minimum cutoff for wavefunctions: 120-150 Ry Suggested minimum cutoff for charge density: 0. Ry The min of ecutwfc is too big. Is there any gipaw USPP that I can use to calculate the X-ray spectra for Fe2O3? Thank you, Xu Huang
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