[Wien] spinel structure

2013-11-14 Thread ben amara imen
hello,

I'm working on ternary compound with spinel structure . It is a
halfmetallic. I have 2 question :

1) to calculate the electronic and optical properties, I done the
Initilaziation calcul with spin polarization (dstart for up and down spin)
and no antiferromgn calcul. Here I do run_lapw or runsp_lapw?
2) I tried to calculate the optical properties for down spin ( here the
compound is metal). From the first iteration, an error in mixer appear:
mixer.def failed  !! what does that mean and what can I do

Can someone help me please and thanks in advance
best regards
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Re: [Wien] spinel structure

2013-11-14 Thread Lyudmila Dobysheva

14.11.2013 19:12, ben amara imen wrote:

I'm working on ternary compound with spinel structure . It is a
halfmetallic. I have 2 question :
1) to calculate the electronic and optical properties, I done the
Initilaziation calcul with spin polarization (dstart for up and down
spin) and no antiferromgn calcul. Here I do run_lapw or runsp_lapw?


If you need a calculation with magnetism - do runsp_lapw


2) I tried to calculate the optical properties for down spin ( here the
compound is metal). From the first iteration, an error in mixer appear:
mixer.def failed  !! what does that mean and what can I do


You have given too little information, nobody can answer what does that 
mean.
You can do the following: you need to see diagnostic in mixer.error, 
case dayfile, and all case.error files (if they are not zero files)
When you search through all these files, I hope, you'll find there some 
directing words which you can use in a search through mailing list 
archives.
After this, if your problem won't be solved by yourself, send us the 
info and describe as much as possible.


Best wishes
  Lyudmila Dobysheva
--
Phys.-Techn. Institute of Ural Br. of Russian Ac. of Sci.
426001 Izhevsk, ul.Kirova 132
RUSSIA
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