<div dir="ltr"><div class="gmail_quote"><div dir="ltr">Dear Wannier90 developers and users,<div><br></div><div> I am using vasp wannier90 interface to reproduce result of example18, 19 in wannier90 package. I have done non-collinear calculation for Fe as in exaple18. I have seen band matching and fermi surface. When I tried to calculate berry curvature, AHC encounter some errors.</div><div>Here is my wannier90.win file.</div><div><br></div><div> num_wann = 18 ! set to NBANDS by VASP</div><div><br></div><div> num_bands= 48</div><div><br></div><div>bands_plot = .true.</div><div>dis_win_min = -8.0d0</div><div>dis_win_max = 70.0d0</div><div>dis_froz_min = -8.0d0</div><div>dis_froz_max = 18.0d0</div><div>dis_num_iter = 500</div><div><br></div><div>num_iter = 200</div><div>dis_mix_ratio = 1.0</div><div><br></div><div> hr_plot = .true.</div><div># fermi_surface_plot = .true.</div><div><br></div><div><br></div><div><br></div><div>spinors = .true.</div><div>begin projections</div><div>Fe: sp3d2;dxy;dxz;dyz</div><div>end projections</div><div><br></div><div>write_proj = .true.</div><div>fermi_energy = 5.3432</div><div>berry_curv_unit = bohr2</div><div>kpath = .true.</div><div>kpath_task = bands+curv</div><div>kpath_bands_colour = spin</div><div>kpath_num_points=1000</div><div>begin kpoint_path</div><div>G 0.0000 0.0000 0.0000 H 0.500 -0.5000 -0.5000</div><div>H 0.500 -0.5000 -0.5000 P 0.7500 0.2500 -0.2500</div><div>P 0.7500 0.2500 -0.2500 N 0.5000 0.0000 -0.5000</div><div>N 0.5000 0.0000 -0.5000 G 0.0000 0.0000 0.000</div><div>G 0.0000 0.0000 0.000 H 0.5 0.5 0.5</div><div>H 0.5 0.5 0.5 N 0.5 0.0 0.0</div><div>N 0.5 0.0 0.0 G 0.0 0.0 0.0</div><div>G 0.0 0.0 0.0 P 0.75 0.25 -0.25</div><div>P 0.75 0.25 -0.25 N 0.5 0.0 0.0</div><div>end kpoint_path</div><div><br></div><div>#kslice = true</div><div>#kslice_task = curv+fermi_lines</div><div>#kslice_kmesh = 200</div><div>#kslice_corner = 0.0 0.0 0.0</div><div>#kslice_b1 = 0.5 -0.5 -0.5</div><div>#kslice_b2 = 0.5 0.5 0.5</div><div><br></div><div>berry = .true.</div><div>berry_task = ahc </div><div>berry_kmesh = 25 25 25</div><div><br></div><div>begin unit_cell_cart</div><div> 1.4349950 1.4349950 1.4349950</div><div> -1.4349950 1.4349950 1.4349950</div><div> -1.4349950 -1.4349950 1.4349950</div><div>end unit_cell_cart</div><div><br></div><div>begin atoms_cart</div><div>Fe 0.0000000 0.0000000 0.0000000</div><div>end atoms_cart</div><div><br></div><div>mp_grid = 9 9 9</div><div><br></div><div>begin kpoints</div><div> 0.000000000000 0.000000000000 0.000000000000</div><div> 0.111111111111 0.000000000000 0.000000000000</div><div>..................................................</div><div><br></div><div>After running wannier90.x I tried to run postw90.x but it failed. The error is Problem in opening input file wannier90.spn. examine the output/error file for details.</div><div><br></div><div>Please tell me what exactly I need to do here to get berry curvature, AHC plots for Fe.</div><div><br></div><div><br></div><div>Thanking you in advance.</div><div><br></div><div>Santu Baidya</div><div><br></div><div><br></div><div><br></div><div><br></div><img width="0" height="0" src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7"></div>
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