Hi, Given the fact that the peaks are shifted between the powder and the pellet measurement, could it maybe be due to a height error of the pellet during the measurement?
Best, Joachim. Am 8. Dezember 2017 20:48:35 MEZ schrieb Jon Wright <wri...@esrf.fr>: Hello, In the photo, the pellet is black and the powder is white. Why is that? Best Jon On December 8, 2017 3:35:20 PM GMT+01:00, "François Goutenoire" <francois.gouteno...@univ-lemans.fr> wrote: Dear Rietveld users, We observe an unusual asymmetric peak shape on pellet and not when the sample has been crushed in powder. This asymmetry is observed even at high 2theta angle. I would like to known if someone has an explanation ? I have put the data in the link here after http://perso.univ-lemans.fr/~fgouten/Asymmetry<http://perso.univ-lemans.fr/%7Efgouten/Asymmetry> Best Whishes, François Goutenoire -- ********************************************************************************************* Pr. Francois GOUTENOIRE e-mail: francois.gouteno...@univ-lemans.fr<mailto:francois.gouteno...@univ-lemans.fr> Tel: 02.43.83.33.54 FAX: 02.43.83.35.06 Département des Oxydes et Fluorures Institut des Molécules et des Matériaux du Mans IMMM - UMR CNRS 6283 Université du Maine - Avenue Olivier Messiaen F-72085 Le Mans Cedex 9 FRANCE ********************************************************************************************* Formation Rietveld CNRS https://cnrsformation.cnrs.fr/stage.php?stage=18098 Formation SAXS et Réflectivités pour couches minces et matériaux nanostructurés. https://cnrsformation.cnrs.fr/stage.php?stage=18104 -- Diese Nachricht wurde von meinem Android-Gerät mit K-9 Mail gesendet. ________________________________ Helmholtz-Zentrum Berlin für Materialien und Energie GmbH Mitglied der Hermann von Helmholtz-Gemeinschaft Deutscher Forschungszentren e.V. Aufsichtsrat: Vorsitzender Dr. Karl Eugen Huthmacher, stv. Vorsitzende Dr. Jutta Koch-Unterseher Geschäftsführung: Prof. Dr. Bernd Rech (kommissarisch), Thomas Frederking Sitz Berlin, AG Charlottenburg, 89 HRB 5583 Postadresse: Hahn-Meitner-Platz 1 D-14109 Berlin http://www.helmholtz-berlin.de
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