If I remember correctly the first integer in initspin is the atomic index,
not the species number.
Hence, not all Fe atoms have spin up.

2015-05-22 14:43 GMT+02:00 toufik esssakhri <[email protected]>:

> What kind of constraints?? because you can see with this
>   %block DM.InitSpin
>     1 +
>   %endblock DM.InitSpin
>  all Fe atoms are imposed to be up and vice-versa
> ------------------------------
> From: [email protected]
> Date: Fri, 22 May 2015 14:24:25 +0200
>
> To: [email protected]
> Subject: Re: [SIESTA-L] how to fix spin TS calculations
>
> Have you checked that the spin configurations _are_ different?
> If not, then try and impose more constraints on the initspin block.
>
> 2015-05-22 14:08 GMT+02:00 toufik esssakhri <[email protected]>:
>
> I try by using block DM.InitSpin
>
> *right electrode:*
>   %block ChemicalSpeciesLabel
>     1  26 Fe
>   %endblock ChemicalSpeciesLabel
>   %block DM.InitSpin
>     1 +
>   %endblock DM.InitSpin
>
> *left electrode:*
>   %block ChemicalSpeciesLabel
>     1  26 Fe
>   %endblock ChemicalSpeciesLabel
>   %block DM.InitSpin
>     1 -
>   %endblock DM.InitSpin
>
> but it gives exactally the same outputs!!!!
>
> have you please an other idea
>
> ------------------------------
> From: [email protected]
> Date: Fri, 22 May 2015 14:00:28 +0200
> To: [email protected]
> Subject: Re: [SIESTA-L] how to fix spin TS calculations
>
>
> As it says, you cannot fix the spin populations individually in transiesta.
>
> You have to go by using other methods.
> I.e. try and converge towards the spin-configuration you want, then
> proceed.
>
> 2015-05-22 13:51 GMT+02:00 toufik esssakhri <[email protected]>:
>
> Dear all,
>
> I am using transiesta to do transport calculation, i want to fix all
> spin in right electrode to be up and all spin in left one to be down
> i set the flag  FixSpin  to be .true. but i faced that error
>
>
> ************************ Begin: TS CHECKS AND WARNINGS
> ************************
>  Fixed Spin not possible in TS Calculations !
> Stopping code
> ERROR STOP from Node:    0
>
> please how should i proceed??
>
> best regards
>
>
>
>
> --
> Kind regards Nick
>
>
>
>
> --
> Kind regards Nick
>



-- 
Kind regards Nick

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