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Re: [sdpd] database PDF
Thanks a lot, probably mine is an old version with some
mistakes.
Do you also know the meaning of O-quality symbol?
Thamks in advance, my best regards,
marco
----- Original Message Follows -----
From: Thierry Bataille <thierry.bataille...@univ-rennes1.fr>
To: sdpd...@yahoogroups.com
Subject: Re: [sdpd] database PDF
Date: Wed, 17 May 2006 14:30:07 +0200
> Dear Marco,
>
> 1- Using the last PDF-2 release, the lines seem correctly
> plotted on the screen (both using the ICDD software and
> EVA). 2- never seen the u character. Maybe corresponds to
> unindexed lines with the unit cell given by the authors.
> 3- The quality marks are given following the sequence C, *
> , I, N, Q, D. C stands for calculated pattern (from
> single crystal), * is the best quality for experimental
> data, I means indexed, N is non-indexed, Q questionable,
> D are deleted patterns (usually replaced by a more recent
> one).
>
> Best,
>
> Thierry
>
>
>
> marco.sommariva...@mater.unimib.it a écrit :
>
> >Dear Crystallographers,
> >I have some short questions on powder database PDF-2:
> >
> >1) with surprise I saw that hardcopies of files are not
> >exactly equal to screen versions, in particular for
> >Intensity values reported in the lists; in some cases
> this >fact is not really important (e.g. for anatase n°
> 21-1272, >there are some little differences, (103) is
> printed as 10% >but on screen it should be 14%, (200) is
> printed as 35% but >on screen it is 65%); in other cases
> the difference is >really strong, as in NiAl26O40 (PDF
n°
> 20-0776), infact >peak (302) is printed as 20%, but on the
> screen it is 100% >(the representation of the profile on
> the screen is coherent >with the list on the screen). What
> is the problem? >
> >2) Does somebody know what is the symbol u printed
> sometimes >near Intensity values?
> >
> >3) What is the Quality legend? I mean, in some files
> >Quality=C, I, *, or nothing; what is the meaning?
> >
> >Thanks in advance, with my best regards,
> >
> >Marco Sommariva
> >
> >-------------------------------------
> >Marco Sommariva
> >Department Of Materials Science
> >University Milano-Bicocca
> >Via R. Cozzi 53, 20125 Milano (ITALY)
> >mail: marco.sommariva...@mater.unimib.it
> >phone: 0039.02.64.48.51.41
> >-------------------------------------
> >
> >
> >
> >
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