Re: [sdpd] inference

[anoop menon <anoopnemom...@yahoo.com>]

dear all
thank you very much for your valuable information. I
will read the cullity and learn more about the
texture.
thanking you once again
anoop
reasearh student
Dept of Physics,
CUSAT,
Kochi-22

--- Luca Lutterotti <Luca.Lutterotti...@ing.unitn.it>
wrote:
> Dear Anoop,
> you probably have to start from a good book on
> diffraction (Cullity or 
> similar) and read carefully the texture (or
> preferred orientation part) 
> plus the line broadening.
> There was already a similar question (may be on the
> Rietveld list few 
> weeks ago) about the low intensity, mainly due to
> the thickness (small 
> scattering volume) and the broadening of the peak
> for the limited 
> crystallized domain (lower than 100 nm).
> The fact that for the film you are just getting the
> (111) is due to 
> texture but reading some literature on thin films
> and texture it will 
> be clear.
> 		Best regards,
> 			Luca Lutterotti
> 
> 
> On Apr 6, 2005, at 6:29, anoopnemom wrote:
> 
> >
> >
> > hi all
> > In my powder XRD pattern the maximum intensity was
> indexed to (311)
> > plane including several other peaks. but when i
> made it in to a thin
> > film(on quartz)about 100nm thickness, i am getting
> only one peak which
> > is indexed to (111) plane which is having very low
> intensity in powder.
> > why is to so? Is that the thickness of film makes
> this? Or it shows
> > low crystallanity? Please let me know since i am a
> beginner in such
> > analysis?
> > thanking you all in advance
> > anoop
> > research scholar
> > dept of physics
> > cusat
> > kochi,
> > kerala.
> >
> >
> >
> >
> >
> >
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
> >
> >
> >
> 
> 

Anoop Menon 
Research Scholar, 
Optoelectronics devices lab, 
Dept. of Physics, 
CUSAT, 
Kochi-22
 
PH: Mob-9447033331




		
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