<div dir="ltr">try another psp, norm-concerving) it is more robust</div><div class="gmail_extra"><br><div class="gmail_quote">2016-11-04 15:47 GMT+03:00 Andrey Chibisov <span dir="ltr"><<a href="mailto:andreichibisov@yandex.ru" target="_blank">andreichibisov@yandex.ru</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div>Dear Maxim,</div><div><div>The geometry is correct.</div><div>The nband is 135 and the electron number is 128, because I want to see band gap.</div><div style="color:rgb(0,0,0);font-family:Arial,sans-serif;font-size:15px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:normal;text-align:start;text-transform:none;white-space:normal;background-color:rgb(255,255,255)"> </div></div><div> </div><div>04.11.2016, 22:37, "Максим Арсентьев" <<a href="mailto:ars21031960@gmail.com" target="_blank">ars21031960@gmail.com</a>>:</div><div class="HOEnZb"><div class="h5"><blockquote type="cite"><div>Also did you set nbnd properly? Comment it and re-run, but first check what you properly set geometry and coordinates.</div><div> <div><span>2016-11-04 15</span>:26 GMT+03:00 Максим Арсентьев <span><<a href="mailto:ars21031960@gmail.com" target="_blank">ars21031960@gmail.com</a>></span>:<blockquote style="margin:0 0 0 0.8ex;border-left:1px #ccc solid;padding-left:1ex"><div>Are you sure what you properly set coordinates? <span style="color:#000000;font-size:14px">celldm(3)=c/a </span><font color="#000000"><span style="font-size:14px">= 0.<span>678182368</span>, so you have small c.</span></font><div><font color="#000000"><span style="font-size:14px">Could you check yoursef by opening output files in VESTA, xcrysden?</span></font></div></div><div><div><div> <div><span>2016-11-04 15</span>:09 GMT+03:00 Andrey Chibisov <span><<a href="mailto:andreichibisov@yandex.ru" target="_blank">andreichibisov@yandex.ru</a>></span>:<blockquote style="margin:0 0 0 0.8ex;border-left:1px #ccc solid;padding-left:1ex">Dear Willy,<br>Silicene have direct band gap in K-point (Appl. Phys. Lett. 106, 183107 (2015), Phys. Rev. Lett. 107, 076802 (2011)).<br>I want to get correct electronic structure to make sure that other properties are trusty.<br><br><br>04.11.2016, 19:55, "Willy Kohn" <<a href="mailto:willykohn@gmail.com" target="_blank">willykohn@gmail.com</a>>:<div><div>> Si has a indirect band gap, so, you might want to check the smallest gap in your calculation instead of at K point, I guess.<br>><br>> On 2016/11/4 17:28, Максим Арсентьев wrote:<br>>> Hi my old friend,<br>>><br>>> You are now on QE forum, as I know GW in abinit allows get correct band gap. Which approximation do the authors use?<br>>><br>>> пятница, 4 ноября 2016 г. пользователь Andrey Chibisov написал:<br>>>> Dear Colleagues,<br>>>> I can not get the correct band gap for silicene.<br>>>> I used the pseudopotential and all the parameters as in the work Appl. Phys. Lett. 106, 183107 (2015) (<a href="http://dx.doi.org/10.1063/1.4919885" target="_blank">http://dx.doi.org/10.1063/1.<wbr>4919885</a>).<br>>>> Please help me with pseudopotential.<br>>>> With ''Si.rel-pbesol-n-rrkjus-psl.<wbr>0.1.UPF'' pseudopotential I got the band gap about 0.7 eV in K point, but according to work Appl. Phys. Lett. 106, 183107 it was 1.5 meV.<br>>>><br>>>> --<br>>>> Best regards,<br>>>> Andrey Chibisov. Ph.D.<br>>>> Numerical method of mathematical physics Laboratory,<br>>>> Computational Center, Russian Academy of Sciences.<br>>>> Khabarovsk, Russia<br>>>> Web page: <a href="https://www.researchgate.net/profile/A_Chibisov" target="_blank">https://www.<wbr>researchgate.net/profile/A_<wbr>Chibisov</a><br>>>> <a href="http://ru.linkedin.com/pub/andrey-chibisov/55/253/986/en" target="_blank">http://ru.linkedin.com/pub/<wbr>andrey-chibisov/55/253/986/en</a><br>>>> ______________________________<wbr>_________________<br>>>> Pw_forum mailing list<br>>>> <a href="mailto:Pw_forum@pwscf.org" target="_blank">Pw_forum@pwscf.org</a><br>>>> <a href="http://pwscf.org/mailman/listinfo/pw_forum" target="_blank">http://pwscf.org/mailman/<wbr>listinfo/pw_forum</a><br>>><br>>> --<br>>> Best wishes,<br>>> Maxim Arsent'ev, Ph.D. (Chemistry)<br>>> Laboratory of research of nanostructures<br>>> Institute of Silicate Chemistry of RAS<br>>><br>>> ______________________________<wbr>_________________ Pw_forum mailing list <a href="mailto:Pw_forum@pwscf.org" target="_blank">Pw_forum@pwscf.org</a> <a href="http://pwscf.org/mailman/listinfo/pw_forum" target="_blank">http://pwscf.org/mailman/<wbr>listinfo/pw_forum</a></div></div>> ,<div><div>><br>> ______________________________<wbr>_________________<br>> Pw_forum mailing list<br>> <a href="mailto:Pw_forum@pwscf.org" target="_blank">Pw_forum@pwscf.org</a><br>> <a href="http://pwscf.org/mailman/listinfo/pw_forum" target="_blank">http://pwscf.org/mailman/<wbr>listinfo/pw_forum</a><br><br><br>-- <br>Best regards,<br>Andrey Chibisov. Ph.D.<br>Numerical method of mathematical physics Laboratory,<br>Computational Center, Russian Academy of Sciences.<br>Khabarovsk, Russia<br>Web page: <a href="https://www.researchgate.net/profile/A_Chibisov" target="_blank">https://www.<wbr>researchgate.net/profile/A_<wbr>Chibisov</a><br><a href="http://ru.linkedin.com/pub/andrey-chibisov/55/253/986/en" target="_blank">http://ru.linkedin.com/pub/<wbr>andrey-chibisov/55/253/986/en</a><br>______________________________<wbr>_________________<br>Pw_forum mailing list<br><a href="mailto:Pw_forum@pwscf.org" target="_blank">Pw_forum@pwscf.org</a><br><a href="http://pwscf.org/mailman/listinfo/pw_forum" target="_blank">http://pwscf.org/mailman/<wbr>listinfo/pw_forum</a></div></div></blockquote></div> <div> </div>--<div><div><div><div><div>Best wishes,</div><div>Maxim Arsent'ev, Ph.D. (Chemistry)</div><div>Laboratory of research of nanostructures</div><div>Institute of Silicate Chemistry of RAS</div></div></div></div></div></div></div></div></blockquote></div> <div> </div>--<div><div><div><div><div>Best wishes,</div><div>Maxim Arsent'ev, Ph.D. (Chemistry)</div><div>Laboratory of research of nanostructures</div><div>Institute of Silicate Chemistry of RAS</div></div></div></div></div></div>,<p>______________________________<wbr>_________________<br>Pw_forum mailing list<br><a href="mailto:Pw_forum@pwscf.org" target="_blank">Pw_forum@pwscf.org</a><br><a href="http://pwscf.org/mailman/listinfo/pw_forum" target="_blank">http://pwscf.org/mailman/<wbr>listinfo/pw_forum</a></p></blockquote><div> </div><div> </div><div>-- <br>Best regards,<br>Andrey Chibisov. Ph.D.<br>Numerical method of mathematical physics Laboratory,<br>Computational Center, Russian Academy of Sciences.<br>Khabarovsk, Russia<br>Web page: <a href="https://www.researchgate.net/profile/A_Chibisov" target="_blank">https://www.<wbr>researchgate.net/profile/A_<wbr>Chibisov</a></div><div><a href="http://ru.linkedin.com/pub/andrey-chibisov/55/253/986/en" target="_blank">http://ru.linkedin.com/pub/<wbr>andrey-chibisov/55/253/986/en</a></div><div> </div></div></div><br>______________________________<wbr>_________________<br>
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