[GSAS-II] Generalized anisotropic strain

[Peter Y. Zavalij]

Corresponding equations for all crystal systems are in GSAS manual.
Peter

....................................................................
Peter Y. Zavalij
Director - X-ray Crystallographic Center
University of Maryland,
College Park, MD 20742


On Thu, May 4, 2017 at 5:03 PM, Riley Hanus <rhanus at u.northwestern.edu>
wrote:

> Thanks!
>
> I would like extract the strain value in, say the x-direction. Which is
> difficult to extract from that bit map image. Is there a way to export data
> values instead of the bitmap image?
>
> Or is there an equation I could use that takes S400 and S220 as input?
>
> Riley
>
> On Thu, May 4, 2017 at 1:52 PM, Toby, Brian H. <toby at anl.gov> wrote:
>
>>
>> On May 4, 2017, at 12:42 PM, Riley Hanus <rhanus at u.northwestern.edu>
>> wrote:
>>
>> I have used the generalized anisotropic mustrain model (Cubic crystal
>> system, so S400 and S220 are used).  The generalized anisotropic model
>> works well in fitting the peak broadening!
>>
>> 1) I wanted to confirm that the plot of mustrain is in strain*10^-6.
>> Meaning mustrain*10^-4 = strain %.
>>
>>
>> Numbers shown in data tab are strain*1,000,000 (10^6*delta-d/d or
>> equivalently 10^6*delta-Q/Q; unit-less)
>>
>>
>> 2) How do I either export the 3D strain plot that you can view when
>> selecting Select plot type: mustrain under the Data tab.
>>
>> Use the “floppy disk” icon to export the plot as a bitmap image.
>>
>>
>> Brian
>>
>
>
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