RE: Amorphous content

Flat-plate transmission? Is this a good example of an oxymoron or am I missing a trick here? Shome mishtake shurely. Martin Vickers > Subject: RE: Amorphous content > Date: Fri, 16 Nov 2007 06:33:49 -0800 > From: [EMAIL PROTECTED] > To: rietveld_l@ill.fr > > For quantit

[no subject]

ary phases mixed in known proportions first. There isn't enough information in your request to nail this for sure but hopefully this reply may be of help. Regards, Martin Vickers Department of Chemistry University College London Telephone:+44 (0)207679 5592 Lab: +44

RE: Preferred orientation?

Forget all that long winded stuff. Just collect the data on capillary transmission geometry and avoid all (well, most of) the fuss. Martin Vickers _ Be a Hero and Win with Iron Man http://clk.atdmt.com/UKM/go/msnnkmgl001009ukm

RE: Preferred orientation?

In fact I think you might find it helps quite a bit. Have a look at: http://img.chem.ucl.ac.uk/www/vickers/po/po.htm Martin Subject: RE: Preferred orientation?Date: Thu, 8 May 2008 10:55:12 -0400From: [EMAIL PROTECTED]: rietveld_l@ill.fr I do that myself but it doesn’t always help

RE: Preferred orientation?

the counts that count, if you like). Why start out with bad data in the first place? As my old dad says, you can't make a silk purse out of a pigs ear. regards, Martin PS Just to clear up another possible point of confusion: large particles lead to texture effects, not preferred orientati

RE: Preferred orientation?

t, if you like). Why start out with bad data in the first place? As my old dad says, you can't make a silk purse out of a pigs ear. regards, Martin PS Just to clear up another possible point of confusion: large particles lead to texture effects, not preferred orientation. Subject: FW:

RE: Preferred orientation?

Any data from anywhere will lead the gullible and unwary up a certain creek without a particular implement and flat-plate is better than transmission for doing so. Older saying still (ca. 1503-07), "thar be Dragons".Martin PS For anyone interested in an explanation of texture vs. PO,

RE: Quantitative analysis

likely be having to use Co radiation to avoid fluorescence from the iron. Good luck, Martin _ Win an Xbox 360 or £200 Top Shop Vouchers http://clk.atdmt.com/GBL/go/115454062/direct/01/

RE: Quantitative analysis

Sorry to disagree. Experience tells me otherwise - the March-Dollase correction has nearly always led to poor quant results for me. It most certainly cannot be applied safely. Martin -- M Vickers Dept of Chemistry UCL > Subject: Re: Quantitat

RE: Quantitative analysis

Spinning the sample doesn't reduce preferred orientation much. It does, however, improve ones counting statistics very nicely. Martin M Vickers Dept. of Chemistry UCL 20, Gordon Street London WC1E 0HX Subject: RE: Quantitative analysisDate: Tue, 2

RE: Crysfire

Dear Rhine In Crysfire, you have to use the import command (IM), not the load command. Make sure you have used the correct export command in Xfit first I.E "Peaks", "Two Theta, All Peak types" in the File Details section. Regards, Martin Martin Vickers Dept. of Chemistry, UC

D8 axis control board

ust happen to have an unwanted spare they might like to donate or sell for a good cause - well, a cause at least? Regards, Martin------- Martin VickersDept. of Chemistry, UCL20, Gordon St, LondonWC1H 0AJ020

Position in high-P/T neutron diffraction

From: Martin Dove, Cambridge First, I apologise for the circular nature of this advertisement, but if you can point anyone who might be interested to it the purpose will be well-served. Please also accept my apology if you receive multiple copies of this email as a result of being on several

Martin Crnugelj is out of the office.

I will be out of the office starting 07/25/2005 and will not return until 08/08/2005. I will respond to your message when I return.

Fwd: Results of your commands

, but am keen to contribute before it is too late to be useful. If there is a chance that my subscription might not be approved for a while, could I ask if you could post on my behalf? Best wishes Martin Begin forwarded message: From: SYMPA <[EMAIL PROTECTED]> Date: 13 June 2008 10

Re: PDF refinement pros and cons

that it works. Bottom line is that there are classes of scientific problem for which a proper PDF analysis gives you very new insights. And it no longer needs to be a specialist tool. Best wishes Martin Dove On 13 Jun 2008, at 09:39, Favre-Nicolin Vincent wrote: Hi, I've

Re: PDF refinement pros and cons

To continue ... On 13 Jun 2008, at 14:37, Alan Hewat wrote: Martin gives a good example for which interesting new information was obtained from the PDF function - the fact that the Si-O bond lengths do not change during a structural transition in quartz. But quartz is a rather special case

RE: 2Theta/theta locked versus Locked Coupled

experiment. I’m happy to be corrected. Regards Martin From: rietveld_l-requ...@ill.fr [mailto:rietveld_l-requ...@ill.fr] On Behalf Of Angel L. Ortiz Sent: Saturday, 12 October 2013 10:23 PM To: rietveld_l@ill.fr Subject: 2Theta/theta locked versus Locked Coupled Dear colleagues: I would

Re: conversion of rigaku data file

Hi Davide, you can try to use PowDll: http://users.uoi.gr/nkourkou/powdll/ Best wishes, Martin Am 2/10/2015 3:50 PM, schrieb Davide Levy: Hi, do you know how convert rigaku data file (.raw or .asc) to an xy file? Thanks Davide

Re: grazing incidence, step in XRD pattern

It's possible it's in your other patterns, too, but because you don't have much background in those, you'll have to look very closely to see anything. I agree it's likely to be a detector issue. Regards, Martin On 4 July 2016 at 10:14, Thomas Winter wrote: > Hey J

Re: 2-teta shift due to sample displacement in parallel beam

Hi, Shay. The sample displacement / peak-position relationship is equivalent. Martin On 2 February 2017 at 15:14, Shay Tirosh wrote: > Dear Rietvelders > > Does the 2-teta shift due to sample displacement in parallel beam is > similar to Bragg Brentano mode? > If not t

Re: Bruker D8-Discover

oard since warrenty ended (£4000) and the Vantec 500 detector is awful. I could go on, but you get my drift. Beware uncoupling any cables to motors with the power still on as it can destroy circuit boards. Regards Martin On Wed, 23 Oct 2019, 09:31 Davide Levy, wrote: > Good Morning, > I would

Citing the WIFD_MIC macro in TOPAS

Dear all, I am using the WIFD_MIC macro from John's TOPAS wiki page for modeling TOF peak shapes and it seems I am not able to find more literature about it. Can somebody tell me, what I could cite in a publication? With best wishes, M

Open Postdoc positions at the Powder Diffraction and Total Scattering Beamline P02.1 at DESY

this information. With best wishes, Martin -- - Dr. Martin Etter DESY, FS-PETRA-D, P02.1 Notkestr. 85, Bldg. 47c, Rm. L118 22607 Hamburg, Germany phone: +49-40-8998-5648 E-mail: martin.et...@desy.de ORCID: http://orcid.org/-0002-5183-

Open Postdoc / Beamline Scientist position for Powder Diffraction and Total Scattering at Beamlines P02.1 / P25 at DESY

, who is willing to join our team, then please be so kind and share this information. With kind regards from Hamburg, Martin Etter -- - Dr. Martin Etter Beamline Manager DESY, FS-PETRA-D, P02.1 Notkestr. 85, Bldg. 47c 22607

Computing code for hkl generation

it by myself? If not I would appreciate also, if there are hints on optimized code for this problem, as I would like to write a time-saving algorithm. With kind regards from Hamburg, Martin Etter ++ Please do NOT attach files to the

Re: Computing code for hkl generation

Dear Colleagues, many thanks for your great recommendations, actually some algorithms already helped me a lot. With kind regards from Hamburg, Martin Am 18.07.2021 um 18:03 schrieb Etter, Martin: Dear Colleagues, I am currently looking for a Python or C/C++ module or function which

Open PhD position in Stuttgart/Hamburg, Germany

motivational letter and a short CV vie a e-mail to Prof. Dr. Robert Dinnebier (r.dinneb...@fkf.mpg.de) and to Dr. Martin Etter (martin.et...@desy.de). Or if you know a suitable/interested candidate, then please be so kind and share this information. With kind regards from Hamburg, Martin Etter

Announcement: Workshop on exploiting open data for machine learning training: can the Photon and Neutron community do it?

best wishes, Martin --- Workshop on exploiting open data for machine learning training: can the Photon and Neutron community do it? During the last decade, most European Photon and

Open Postdoc / Beamline Scientist position for Powder Diffraction and Total Scattering at Beamlines P02.1 / P25 at DESY

, Martin Etter -- - Dr. Martin Etter Beamline Manager DESY, FS-PETRA-D, P02.1 Notkestr. 85, Bldg. 47c 22607 Hamburg, Germany phone: +49-40-8998-5648 E-mail: martin.et...@desy.de

Re: Heat and pressure effects:Software(s)

you then feel the effects of finite sizes. I think that modelling goes hand-in-hand with crystallography, and although this is a mailing list devoted to one aspect of crystallography, it is nice to see modelling aired on this mailing list! Martin Dove

Re: 5 Vacancies in Neutron Scattering at ILL Grenoble

Hallo Alex, scheint dass es in 'Deinem' Gebiet weiterhin Stellen gibt, eh? Martin >The Institute Laue-Langevin in Grenoble, which operates the world's most >powerful neutron source, has vacancies for 5 scientists to apply neutron >scattering to problems in physics/chemi

Re: GaN c-parameter

must send binary pics, at least make them compressed gifs (vastly smaller). In this case an asci file would have been perfectly adequate. Martin Vickers School of Crystallography Birkbeck College

Re: Help in GSAS

I have attached a program that converts a histdmp into column format for plotting programs such as Origin and (better!) KaleidaGraph. Just make sure you have "dlst" the list file before doing "hstdmp" and that the dumped file is in the same directory as 2 program bits. Enjo

Re: CaAl2O4

Can you please keep to ascii standard so we can all read your message Thanks, Martin Vickers School fo Crystallography Birkbeck College London

Any old wire

will be offered. Gratefully, Martin Vickers Industrial Materials Group, School of Crystallography, Birkbeck College.