<div dir="ltr">I have managed to get rid of the lines by using no_overlap = .true. in the bands.x input.</div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Jun 23, 2016 at 4:53 PM, Dae Kwang Jun <span dir="ltr"><<a href="mailto:jdaekwang@gmail.com" target="_blank">jdaekwang@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Dear all,<div><br></div><div>I need your help. I am able to calculate the band structure of a bulk material. However, I keep getting lines between bands. The problem is worse if I use K_POINTS {automatic} in the scf calculation. The lines still appear even after setting a k point path on K_POINTS. Here is the input file for scf calculation using a k point path for bulk wurtzite ZnO. The functional used is Perdew Wang LDA.</div><div><br></div><div><div>&CONTROL</div><div>calculation = 'scf'</div><div>verbosity = 'high'</div><div>restart_mode = 'from_scratch'</div><div>wf_collect = .TRUE.</div><div>tstress = .TRUE.</div><div>tprnfor = .TRUE.</div><div>outdir = '/home/jud11/post_proc/files'</div><div>pseudo_dir = '/home/jud11/post_proc/espresso-5.4.0/pseudo'</div><div>prefix = 'ZnO'</div><div>/</div><div>&SYSTEM</div><div>ibrav = 4</div><div>a = 3.24</div><div>c = 5.2</div><div>nat = 4</div><div>ntyp = 2</div><div>nbnd = 60</div><div>ecutwfc = 70</div><div>occupations = 'fixed'</div><div>/</div><div>&ELECTRONS</div><div>diagonalization = 'david'</div><div>mixing_beta = 0.8</div><div>/</div><div>ATOMIC_SPECIES</div><div>Zn 65.38 Zn.pw-mt_fhi.UPF</div><div>O 15.99 O.pw-mt_fhi.UPF</div><div>ATOMIC_POSITIONS {angstrom}</div><div>Zn 0.000000 1.870615 0.000000</div><div>Zn 1.620000 0.935307 2.600000</div><div>O 0.000000 1.870615 1.989000</div><div>O 1.620000 0.935307 4.589000</div><div>K_POINTS {crystal_b}</div><div>8</div><div>0.0000 0.0000 0.5000 1000</div><div>0.5000 0.0000 0.5000 1000</div><div>0.5000 0.0000 0.0000 1000</div><div>0.0000 0.0000 0.0000 1000</div><div>0.0000 0.0000 0.5000 1000</div><div>0.6666 0.3333 0.5000 1000</div><div>0.6666 0.3333 0.0000 1000</div><div>0.0000 0.0000 0.0000 1000</div></div><div><br></div><div>I also have attached two pictures of the band structure. One is zoomed in make the lines more visible. I have used the same path that is used in this website: <a href="https://www.tcd.ie/Physics/people/Charles.Patterson/research_projects/zinc_cobolt_oxide.php" target="_blank">https://www.tcd.ie/Physics/people/Charles.Patterson/research_projects/zinc_cobolt_oxide.php</a></div><div>What am I doing wrong? </div><div><br></div><div>Sincerely,</div><div><br></div><div>Dae Kwang Jun</div><div><br></div><div><br></div><div><br></div></div>
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