RE: Stephens/More Caglioti U V W parameters

2007-06-26 Thread May, Frank
: Mon 6/25/2007 3:56 PM To: rietveld_l@ill.fr Subject: Re: More Caglioti U V W parameters In my opinion, the short answer (regarding use of Caglioti parameters) is that their use is historic and somewhat convenient, but their usual application is based on no theory whatsoever, and they can be quite

RES: More Caglioti U V W parameters

2007-06-26 Thread Renato Bastos Guimarães
: 55 21 2629-5887 -Mensagem original- De: Leandro Bravo [mailto:[EMAIL PROTECTED] Enviada em: segunda-feira, 25 de junho de 2007 21:13 Para: rietveld_l@ill.fr Assunto: Re: More Caglioti U V W parameters I´d like to read this paper too. So if you could send me a copy, Matthew, I´d be very

Re: Stephens/More Caglioti U V W parameters

2007-06-26 Thread Favre-Nicolin Vincent
On mardi 26 juin 2007, May, Frank wrote: If the reason for their use is historic and somewhat convenient, but their usual application is based on no theory whatsoever, why does their use continue? Because they fit the data in most cases. People who will still use them are those who do not

More Caglioti U V W parameters

2007-06-25 Thread May, Frank
To all: OBSERVATION: Most of the reported X-ray Rietveld analyses I've seen include refined values for U, V, W which are dependent on the particular sample of interest. As you say below regarding U, V, W: They can be a bit hard to determine unless a very high quality pattern is used for

Re: More Caglioti U V W parameters

2007-06-25 Thread pstephens
In my opinion, the short answer (regarding use of Caglioti parameters) is that their use is historic and somewhat convenient, but their usual application is based on no theory whatsoever, and they can be quite troublesome to apply. They came from a paper (Nuc. Instrum. Methods, 1958) on the

Re: More Caglioti U V W parameters

2007-06-25 Thread Matthew.Rowles
Just to add more fat to the fire Have a look at Young, R. A. Desai, P. 1989, 'Crystallite Size and Microstrain Indicators in Rietveld Refinement', Archiwum Nauki o Materialach, vol. 10, no. 1-2, pp. 71-90. (I can send the PDF if needs be) They talk about the Thompson, Cox and Hastings

Re: More Caglioti U V W parameters

2007-06-25 Thread Klaus-Dieter Liss
Matthew, could I please get the PDF version of the paper? thanks, KLaus-Dieter. [EMAIL PROTECTED] wrote: Just to add more fat to the fire Have a look at Young, R. A. Desai, P. 1989, 'Crystallite Size and Microstrain Indicators in Rietveld Refinement', /Archiwum Nauki o

Re: More Caglioti U V W parameters

2007-06-25 Thread Leandro Bravo
I´d like to read this paper too. So if you could send me a copy, Matthew, I´d be very pleased. Regards and thanks, Leandro From: Klaus-Dieter Liss [EMAIL PROTECTED] Reply-To: rietveld_l@ill.fr To: rietveld_l@ill.fr Subject: Re: More Caglioti U V W parameters Date: Tue, 26 Jun 2007 09:51:27

Re: More Caglioti U V W parameters

2007-06-25 Thread balzar
* - Original Message - From: [EMAIL PROTECTED] Date: Monday, June 25, 2007 6:28 pm Subject: Re: More Caglioti U V W parameters To: rietveld_l@ill.fr Just to add more fat to the fire Have a look at Young, R. A. Desai, P. 1989, 'Crystallite Size