<div dir="auto">You can try Different pseudo.<br><br><div data-smartmail="gmail_signature">Alpesh Sheth<br>Research Scholar<br>Department of Physics <br>Faculty of Science<br>The M.S.University of Baroda<br>M. (812) 862-4343<br>E. <a href="mailto:alpeshsheth.phy@gmail.com">alpeshsheth.phy@gmail.com</a><br>E. <a href="mailto:alpesh.sheth-phy@msubaroda.ac.in">alpesh.sheth-phy@msubaroda.ac.in</a></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, 16 Apr 2021, 1:18 pm Jayfe Anthony Abrea, <<a href="mailto:06302408@usc.edu.ph">06302408@usc.edu.ph</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div class="gmail_quote"><div dir="ltr" class="gmail_attr">Hello fellow QE users and developers,<br></div><div dir="ltr"><div><br></div><div>I am new to Quantum Espresso and I am doing spin-polarized DFT calculations on adsorption energy. I am using BURAI 1.3 GUI to aid in my QE setup thus I am not sure of the QE version that I am using. I am trying to do optimization on the hydrogen atom on the bimetallic slab (see attached input file). I have already employed several tweakings since the calculations never converged, such as:</div><div><br></div><div>- changed the mixing_mode to "local-TF" since it is suited for inhomogeneous system like my slab system</div><div>- lowering the mixing_beta to 0.1</div><div>- changing the ecutrho, ecutwfc, and starting_magnetization to the ones recommended by this website: <a href="http://www.materialscloud.org/work/tools/qeinputgenerator" target="_blank" rel="noreferrer">http://www.materialscloud.org/work/tools/qeinputgenerator</a></div><div><br></div><div>These tweakings are made based on what I have read so far in this forum. After calculations, the slab-adsorbate system didn't achieve convergence in optimization, as seen in attached pics in this link:</div><div><br></div><div><a href="https://1drv.ms/u/s!AsOu46EeV98P9neMR6RenPHWvmKY?e=5G5DnP" target="_blank" rel="noreferrer">https://1drv.ms/u/s!AsOu46EeV98P9neMR6RenPHWvmKY?e=5G5DnP</a> </div><div><br></div><div>It seems that the results per iteration is oscillating. Manganese in this system seems to be problematic since when I tried replacing Mn with other metals (e.g. Fe and Co in particular), it reaches convergence and becomes optimized. I don't know now how to resolve this issue. I am hoping that you have great insights to address my plight.</div><div><br></div><div>I would really appreciate your help in this regard. Thank you!</div><div><br></div><div>Cheers,</div><div><br></div><div>Jayfe Anthony</div><div>Graduate student</div><div>University of San Carlos</div></div>
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