Re: [sdpd] Difficulty

[Radu Baies <radu.baies...@gmail.com>]

Thermal factors are correlated with background.
Solutions:
1) refine background and thermal factors separately
2) use a 6 coefficients polynomial background (few parameters)
3) refine thermal factors together (one value for all atoms)

2010/5/5 Suhas Desai <suhas_desai...@ymail.com>

>
>
> Hi
>
> I use fullprof for refinement.
> During the refinement of a sample i am getting negative values for thermal
> parameters. What can be done for this?
> I am new in this field, please guide me on this issue
>
> Suhas Desai
>
> [Non-text portions of this message have been removed]
>
>  
>


[Non-text portions of this message have been removed]



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