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    <p>Do you get identical gaps for:</p>
    <p>LDA and then MBJ  (no SO)</p>
    <p>PBE and then MBJ  (no SO)   ???</p>
    <p>If you did everything right, there is no reason why adding SO at
      the end should give a different result.</p>
    <p>Probably some other mistake ... ?</p>
    <p><br>
    </p>
    <div class="moz-cite-prefix">Am 11.05.2024 um 17:32 schrieb Yakup
      Boran:<br>
    </div>
    <blockquote type="cite"
cite="mid:CAOwProb01HGiH_qKs-RrN=N1iZwKag+t4N=iNhbquFLtQgFH_A@mail.gmail.com">
      <meta http-equiv="content-type" content="text/html; charset=UTF-8">
      <div dir="auto">
        <div dir="auto">Dear Dr Blaha,</div>
        <div dir="auto"><br>
        </div>
        <div dir="auto">I think I did not write clear enough. </div>
        <div dir="auto"><br>
        </div>
        <div dir="auto">The calculation was done by following:</div>
        <div dir="auto"><br>
        </div>
        <div dir="auto">1. I did regular scf calculation with LDA </div>
        <div dir="auto">2. I added mBJ on it. </div>
        <div dir="auto">3. Then I added SOC. </div>
        <div dir="auto"><br>
        </div>
        <div dir="auto">I repeated the same calculation with PBE. </div>
        <div dir="auto"><br>
        </div>
        <div dir="auto"><br>
        </div>
        Thank you</div>
      <div><br>
        <div class="gmail_quote">
          <div dir="ltr" class="gmail_attr">11 May 2024 Cmt, saat 17:08
            tarihinde Peter Blaha <<a
              href="mailto:peter.blaha@tuwien.ac.at"
              moz-do-not-send="true" class="moz-txt-link-freetext">peter.blaha@tuwien.ac.at</a>>
            şunu yazdı:<br>
          </div>
          <blockquote class="gmail_quote"
style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;padding-left:1ex;border-left-color:rgb(204,204,204)">
            <div>
              <p>No.</p>
              <p>These 2 calculations should be exactly the same.</p>
              <p>What matters is only:    XC_MBJ</p>
              <p>Everything in parenthesis is only a comment to give you
                a few common options.</p>
            </div>
            <div>
              <p><br>
              </p>
              <div>Am 11.05.2024 um 16:00 schrieb Yakup Boran:<br>
              </div>
              <blockquote type="cite">
                <div dir="auto">
                  <div dir="auto">Dear Dr Blaha,</div>
                  <div dir="auto"><br>
                  </div>
                  <div dir="auto">Thank you for your response. </div>
                  <div dir="auto"><br>
                  </div>
                  <div dir="auto">———————————</div>
                  <div dir="auto">case.in0 for LDA is</div>
                  <div dir="auto"><br>
                  </div>
                  <div dir="auto">
                    <div>TOT XC_MBJ (
                      (XC_PBE,XC_PBESOL,XC_WC,XC_MBJ,XC_SCAN) </div>
                    <div dir="auto"><br>
                    </div>
                    <div dir="auto"> R2V IFFT (R2V) </div>
                    <div dir="auto"><br>
                    </div>
                    <div dir="auto"> 30 30 48 2.00 1 NCON 9 # min
                      IFFT-parameters, enhancement factor, iprint, NCON
                      n</div>
                    <br>
                  </div>
                  ——————————-</div>
                <div dir="auto">
                  <div dir="auto">Case.in0 for PBE</div>
                  <div dir="auto"><br>
                  </div>
                  <div>TOT XC_MBJ (
                    (XC_LDA,XC_PBESOL,XC_WC,XC_MBJ,XC_SCAN) </div>
                  <div dir="auto"> </div>
                  <div dir="auto">R2V IFFT (R2V) </div>
                  <div dir="auto"><br>
                  </div>
                  <div dir="auto">30 30 48 2.00 1 NCON 9 # min
                    IFFT-parameters, enhancement factor, iprint, NCON n</div>
                  <br>
                </div>
                <div dir="auto">———————-</div>
                <div dir="auto"><br>
                </div>
                <div dir="auto">Best regards</div>
                <div dir="auto"><br>
                  <div class="gmail_quote" dir="auto">
                    <div dir="ltr" class="gmail_attr">11 May 2024 Cmt,
                      saat 16:03 tarihinde Peter Blaha <<a
                        href="mailto:peter.blaha@tuwien.ac.at"
                        target="_blank" moz-do-not-send="true"
                        class="moz-txt-link-freetext">peter.blaha@tuwien.ac.at</a>>
                      şunu yazdı:<br>
                    </div>
                    <blockquote class="gmail_quote"
style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;padding-left:1ex;border-left-color:rgb(204,204,204)">I'm
                      not quite sure I understand what you did.<br>
                      <br>
                      You are always using   mBJ  (for VX), but how do
                      you mix in LDA or PBE ?<br>
                      <br>
                      By default we use LDA for VC, (and anything for EX
                      and EC, since this is <br>
                      not important).<br>
                      <br>
                      Usually, the choice of VC has only a small effect
                      (as compared to VX).<br>
                      <br>
                      Please show the 2 lines in case.in0<br>
                      <br>
                      <br>
                      Am 10.05.2024 um 15:56 schrieb Yakup Boran:<br>
                      > Dear Wien2K users,<br>
                      > I am running a calculation for a
                      Bi-containing compound with a <br>
                      > tetragonal structure type. I used LDA with
                      mBJ, and then, due to the <br>
                      > heavy Bi atom, I did the SOC calculation. The
                      calculated band gap <br>
                      > energy with SOC is smaller than without SOC.
                      I checked the literature, <br>
                      > and the band gap decrease is common for SOC
                      calculation. However, if I <br>
                      > use PBE-GGA with mBJ (instead of LDA with
                      mBJ), the band gap energy <br>
                      > with SOC is greater than without SOC, which
                      is contrary to the <br>
                      > literature.<br>
                      ><br>
                      >  Is it possible that I get a band gap
                      decrease with LDA while I get a <br>
                      > band gap increase with PBE-GGA when the SOC
                      effect is taken into <br>
                      > consideration?<br>
                      ><br>
                      > Any response will be appreciated. <br>
                      ><br>
                      > Best Regards<br>
                      ><br>
                      > Yakup Bran<br>
                      ><br>
                      >
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                      Peter Blaha,  Inst. f. Materials Chemistry, TU
                      Vienna, A-1060 Vienna<br>
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              <pre cols="72" style="font-family:monospace">-- 
-----------------------------------------------------------------------
Peter Blaha,  Inst. f. Materials Chemistry, TU Vienna, A-1060 Vienna
Phone: +43-158801165300
Email: <a href="mailto:peter.blaha@tuwien.ac.at" target="_blank"
              style="font-family:monospace" moz-do-not-send="true"
              class="moz-txt-link-freetext">peter.blaha@tuwien.ac.at</a>          
WWW:   <a href="http://www.imc.tuwien.ac.at" target="_blank"
              style="font-family:monospace" moz-do-not-send="true"
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    <pre class="moz-signature" cols="72">-- 
-----------------------------------------------------------------------
Peter Blaha,  Inst. f. Materials Chemistry, TU Vienna, A-1060 Vienna
Phone: +43-158801165300
Email: <a class="moz-txt-link-abbreviated" href="mailto:peter.blaha@tuwien.ac.at">peter.blaha@tuwien.ac.at</a>          
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