Maybe 128 steps is still not enough.<div>Anyway, 3 Ni layers are few and I wouldn't be surprised if this model cannot reproduce the correct electronic properties. </div><div><br /></div><div>Regards</div><div>Marcella<br /><br /></div><div class="gmail_quote"><div dir="auto" class="gmail_attr">On Thursday, October 31, 2024 at 1:54:18 PM UTC+1 l13d...@gmail.com wrote:<br/></div><blockquote class="gmail_quote" style="margin: 0 0 0 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">Dear Marcella Iannuzzi<div><br><div><span style="color:rgb(51,51,51);font-family:sans-serif;font-size:17px">Due to my email being restricted, I registered for Google Mail.I thought the email was sent, but it was blocked.</span></div><div><span style="color:rgb(51,51,51);font-family:sans-serif;font-size:17px">My problem is that optimizing SCF with nickel 111 does not converge. You asked me if I had increased the step size.</span></div><div><span style="color:rgb(51,51,51);font-family:sans-serif;font-size:17px">First,thanks for your letter. I have tried to set the SCF to 128 steps, and I have also tried to change ALPHA to 0.05 and temperature to 3000k in smear, but it is still in the current situation.</span></div><div><span style="color:rgb(51,51,51);font-family:sans-serif;font-size:17px"><br></span></div><div><span style="color:rgb(51,51,51);font-family:sans-serif;font-size:17px"><br></span></div></div>
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