[GSAS-II] Synchrotron parameter file

Bartłomiej Gędziorowski gedzior at agh.edu.pl
Fri Nov 22 03:30:43 CST 2019


Thank You Brian,

i did it exactly same thing, but I was thinking that maybe someone here 
did measurements on this very equipment and got the parameter file.

However, I've got another question, this time about GSASII menus. The 
instrument parameters that can be refined for typical XRD are slightly 
different than these for synchrotron. E.g., for XRD we can select the 
type of radiation, and for synchrotron the wave length. Is there any way 
to change the parameters set, other than removing the histogram and 
adding it again?

Bartłomiej

W dniu 21.11.2019 o 17:52, Toby, Brian H. pisze:
> You might try one of the generic parameter sets (press cancel at the 
> parameter dialog) or just start with peak fitting to get parameters 
> from the pattern you have, (see Determining Starting Profile 
> Parameters from a Standard 
> <https://subversion.xray.aps.anl.gov/pyGSAS/Tutorials/CWInstDemo/FindProfParamCW.htm>). 
> Either way you will not be able to get useful information on size and 
> microstrain, but you can start without an instrument parameter file.
>
> Brian
>
>> On Nov 21, 2019, at 10:00 AM, Bartłomiej Gędziorowski via GSAS-II 
>> <gsas-ii at aps.anl.gov <mailto:gsas-ii at aps.anl.gov>> wrote:
>>
>> Dear all,
>>
>> My colleague got a pattern from a synchrotron 'BL02B2 — SPring-8'. I 
>> tried to help him with the refinement; however, it's my first attempt 
>> to fit synchrotron data and we don't have the parameter file. The 
>> colleague wrote an email to the operators, but we didn't get any 
>> response. I'm wondering if anybody did some measurements there and 
>> got the parameters? I will appreciate any help.
>>
>> I post the link to the website of the synchrotron.
>> http://www.spring8.or.jp/wkg/BL02B2/instrument/lang-en/INS-0000000318/instrument_summary_view
>>
>> Best regards,
>> Bartłomiej
>>
>> -- 
>> Bartłomiej Gędzioroski, Ph.D.
>> AGH University of Science and Technology,
>> Faculty of Energy and Fuels,
>> Department of Hydrogen Energy,
>> al. Mickiewicza 30
>> 30-059 Krakow, Poland
>>
>> _______________________________________________
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>> GSAS-II at aps.anl.gov
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