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...
Thermal factors are correlated with background. Solutions: 1) refine background and thermal factors separately 2) use a 6 coefficients polynomial background...
Except background you should check the LPG factor that influences greatly thermal parameters. -- kind regards, Alexander Mityaev ... ñ × íÏÅÍ íÉÒÅ -...
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Bataille Thierry
thierry.bataille@...
May 5, 2010 11:55 am
In addition, the illumination, not corrected at lower angles, might affect B factors drastically.... Best ... -- ... Thierry Bataille Charge' de Recherche CNRS...
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å¾å›
xujun16@...
May 5, 2010 1:38 pm
Hi, The preferred orientation is another factor that influences greatly thermal parameters. Maybe checking the preferred orientation is also helpful. ;-) Best...
I have find many pages to determine it,but find no data. Do you know where to find it? The structure of SbZn. My boss is very angry because I can't find the...
Dear 5041150328, you could try this reference: Title The Zn Sb structure; a further enquiry Author(s) Carter, F.L.;Mazelsky, R. Reference Journal of...
See COD: http://www.crystallography.net/cif/9/9008882.cif Best, Leonid ... From: 5041150328 <5041150328@...> Subject: [sdpd] the SbZn structure To:...
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Hysen Thomas
hysenthomas@...
May 19, 2010 10:10 am
HOPE THIS WOULD BE HELPFUL . SEE THA ATTCHMENT ... -- Hysen Thomas Lecturer Department of Physics Christian College Chengannur 686 122 Switch off as you go,...
Hi, So you had it already ?! To read a CIF, a text editor is enough. You may also download ENCIFER : http://www.ccdc.cam.ac.uk/free_services/encifer/ Also, ask...
You ca nread by opening it in word or notepad also... Or Mercury 3.2 software or Panalytical Highscore plus or XPert plus software.... ... From: 5041150328...
... Yes, some proof there : http://sdpd.univ-lemans.fr/9008882.jpg so you have now the cell, SG and atomic coordinates, if you dont have some new problem -...
... Thank you!after open by notepad,then put the data into the software. I can see the structure, but I find that my material is gamma-phase-SbZn . Here is...
Do I read this right? At least two of the "Sb" entries are apparently taken from a paper: "The crystal structure of arsenic at 4.2, 78 and 299 K". At least in...
COD is tip-top quality, best in the world for that cost (zero - but donations are accepted ;-)... Apparently As and Sb have some isostructural polymorphs,...
Hi! I need to find a way to create a "parameters file" for a diffractometer in order to continue a Rietveld analysis in GSAS. How do I create it? I already ...
Hi,    After Installation of GSAS , the example folder is having the *.prm file, you change the file as per your wish... thank you by chandru ... From:...
Hi, Can any one please explain what the "thermal parameter" in rietveld means and its physical significance...? What are the parameters that are affected by ...
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å¾å›
xujun16@...
May 22, 2010 2:47 pm
hi, you can refer to the book edited by Vitalij K. Pecharsky. <fundametals of powder diffraction and structural characterization of materials>. best, xujun ...
I am not sure if this is helpful but the article in wikipedia http://en.wikipedia.org/wiki/Debye%E2%80%93Waller_factor defines the thermal parameter as...
Hi everybody, We are using the SRM 1976 "/XRD Flat Plate Intensity Standard/" in order to check our diffractometer (1976 and not 1976a). This plate was new and...
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Masciocchi Norberto
norberto.masciocchi@...
May 27, 2010 2:28 pm
Dear Colleagues, I am very happy to inform you that the book “Diffraction at the Nanoscale: Nanocrystals, Defective and Amorphous Materials” has just been...
... See the "tube tails" discussion at the Rietveld mailing list archive : http://www.mail-archive.com/search?q=tails&l=rietveld_l@... BTW, nothing new...
Dear Jean-Marc, In my SRM-1976 I did not observe Mullite, but some peaks of corundum do have small left-side shoulders. Since these shoulders are observed not...
@ Armel; Merci pour ta réponse et pour ton aide ;-) J'y vois déjà un peu plus clair ! Dear Leonid, Many thanks for your interpretation of these left side...
