[Wien] Help on AFM Structure Please help to remove my e-mail address on list Thanks

[SHChiou at itri.org.tw]

Dear Peter,

Could you help me to cancell my e-mail address on your list?
I receviced a lot of discussion message and I dont need them.

Thanks,

Shan Haw Chiou
Ph. D. Senior Researcher

Industrial Technology Research Institute
Material and Chemical Research Laboratories
Div. of Platform Technology for Advanced Materials
Dept. of Multiscale Simulation

Rm. 222, Bldg. 77, 195, Sec, 4, Chung Hsing Rd,.
Chutung, Hsinchu, 31040, Taiwan, R. O. C.
Tel: 886 3 591 3104
Fax: 886 3 5830239

E-mail: SHChiou at itri.org.tw
________________________________________
寄件者: wien-bounces at zeus.theochem.tuwien.ac.at [wien-bounces at zeus.theochem.tuwien.ac.at] 代表 Peter Blaha [pblaha at theochem.tuwien.ac.at]
寄件日期: 2014年01月20日 下午 04:12
收件者: A Mailing list for WIEN2k users
主旨: Re: [Wien] Help on AFM Structure

 From where did you get the structure ?? It is really P1 ??

Did you remove the  the 1,2,3,.. from Fe1, Fe2,..Ga1,Ga2,...  ???

Maybe there is some rounding error in the positions which prevents
higher symmetry ??

On 01/20/2014 08:55 AM, Chinedu Ekuma wrote:
> Dear Peter,
> The structure is the default structure as obtained from running x sgroup.
>
> Best.
>
> *C.  Ekuma*
> /
> /
> ////
>
>
> On Monday, January 20, 2014 2:27 AM, Peter Blaha
> <pblaha at theochem.tuwien.ac.at> wrote:
> Is there a reason why you did setup this case in P1 symmetry ???
>
> You seem to have  Fe18 Ga24, which is the same as Fe3 Ga4
>
> What happens when you remove all "labels"  (1,2,3,... 24) of the atoms ?
> Wien2k will then find out which atoms are equivalent and which are
> different by symmetry.
> Maybe this is even a C-centered monoclinic structure ?
>
> Anyway, when you have a structure which has only a "few" (2-4)
> nonequivalent Fe positions, then it makes sense to play with magnetic
> order and compare total energies.
>
> You would start in different directories and BEFORE init_lapw run
> instgen_lapw -ask and specify the desired magnetic order by chosing up
> or dn for each Fe site (and nm for Ga).
>
> For visualisation you may create a struct file where you rename your
> atoms to Co, Ni,...., so that you can distinguish them in xcrysden and
> then you can see how to arrange the magnetic moments to get them in a
> specific order.
>
>
> On 01/19/2014 01:41 AM, Chinedu Ekuma wrote:
>  > Dear All,
>  > I am trying to construct a collinear AFM structure from the attached
>  > file. Please, any help will be greatly appreciated.
>  >
>  >  Thanks.
>  > *C.  Ekuma*
>
>  >
>  >
>  >
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> --
>
>                                        P.Blaha
> --------------------------------------------------------------------------
> Peter BLAHA, Inst.f. Materials Chemistry, TU Vienna, A-1060 Vienna
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--

                                       P.Blaha
--------------------------------------------------------------------------
Peter BLAHA, Inst.f. Materials Chemistry, TU Vienna, A-1060 Vienna
Phone: +43-1-58801-165300             FAX: +43-1-58801-165982
Email: blaha at theochem.tuwien.ac.at    WWW:
http://info.tuwien.ac.at/theochem/
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