<div dir="ltr">Thanks.</div><div class="gmail_extra"><br><div class="gmail_quote">On Fri, Oct 30, 2015 at 3:21 PM, Giuseppe Mattioli <span dir="ltr"><<a href="mailto:giuseppe.mattioli@ism.cnr.it" target="_blank">giuseppe.mattioli@ism.cnr.it</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><br>
Dear Dhirendra<br>
<span class=""><br>
> HSE06 should improve conduction band levels, why is<br>
> it changing the valence band too?<br>
<br>
</span>Why do you think so? Your ideas on DFT approximation levels seem a bit confused...<br>
You may want to read these enlightening articles:<br>
<br>
Cohen, A. J.; Mori-Sànchez, P.; Yang, W. Science 2008, 321, 792.<br>
Mori-Sànchez, P.; Cohen, A. J.; Yang, W. Phys. Rev. Lett. 2008, 100, 146401.<br>
<br>
HTH<br>
Giuseppe<br>
<div><div class="h5"><br>
<br>
On Friday, October 30, 2015 02:18:09 PM DHIRENDRA VAIDYA wrote:<br>
> Hi,<br>
><br>
> I am doing Silicon bulk calculations to determine the valence band level<br>
> w.r.t average electrostatic potential. When HSE is used I am getting<br>
> valence band maximum closer to the average electrostatic potential by 0.3eV<br>
> which is significant. HSE06 should improve conduction band levels, why is<br>
> it changing the valence band too? I am using occupations as fixed to<br>
> determined the valence band level.<br>
><br>
> --<br>
> Dhirendra<br>
> IIT Bombay<br>
<br>
</div></div>********************************************************<br>
- Article premier - Les hommes naissent et demeurent<br>
libres et ègaux en droits. Les distinctions sociales<br>
ne peuvent être fondèes que sur l'utilitè commune<br>
- Article 2 - Le but de toute association politique<br>
est la conservation des droits naturels et<br>
imprescriptibles de l'homme. Ces droits sont la libertè,<br>
la propriètè, la sùretè et la rèsistance à l'oppression.<br>
********************************************************<br>
<br>
Giuseppe Mattioli<br>
CNR - ISTITUTO DI STRUTTURA DELLA MATERIA<br>
v. Salaria Km 29,300 - C.P. 10<br>
I 00015 - Monterotondo Stazione (RM), Italy<br>
Tel + 39 06 90672836 - Fax +39 06 90672316<br>
E-mail: <<a href="mailto:giuseppe.mattioli@ism.cnr.it">giuseppe.mattioli@ism.cnr.it</a>><br>
<a href="http://www.ism.cnr.it/english/staff/mattiolig" rel="noreferrer" target="_blank">http://www.ism.cnr.it/english/staff/mattiolig</a><br>
ResearcherID: F-6308-2012<br>
<br>
_______________________________________________<br>
Pw_forum mailing list<br>
<a href="mailto:Pw_forum@pwscf.org">Pw_forum@pwscf.org</a><br>
<a href="http://pwscf.org/mailman/listinfo/pw_forum" rel="noreferrer" target="_blank">http://pwscf.org/mailman/listinfo/pw_forum</a><br>
</blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature"><div dir="ltr">--<br>Dhirendra<br></div></div>
</div>