c phase. You will find more ISIS work on C60 with inclusion compounds,
eespecially superconducting K3C60 on
https://neutronoptics.com/downloads/K-C60-icsd.jpg including Peter
Steven's paper.
Kind Regards, Alan.
On Fri, 24 Sept 2021 at 16:18, Alan Hewat
wrote:
> Dear Francois.
>
> Thank you
-3002
>
> ++
> Please do NOT attach files to the whole list >
> Send commands to eg: HELP as the subject with no body
> text
> The Rietveld_L list archive is on
> http://www.mail-archive.com/rietveld_l@ill.fr/
&
__
Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE
from my telephone
+33.476.98.41.68
http://www.NeutronOptics.com/hewat
__
-- Forwarded
In general no. In the extreme case a single crystal would have reflections
that were never exited or reached the detector.
__
Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE
from my telephone
+33.476.98.41.68
.
__
Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE
from my telephone
+33.476.98.41.68
http://www.NeutronOptics.com/hewat
__
On Tue, 14 Apr 2020, 11:20 Alexandros Lappas, wrote
Yes, of course Luca.
Best wishes Alan
__
Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE
from my telephone
+33.476.98.41.68
http://www.NeutronOptics.com/hewat
welcome. :)
>
> --
>
> *Dr. Xiaodong (Tony) Wang*
>
> *Research Infrastructure Specialist (XRD)*
>
> Central Analytical Research Facility (CARF) | Institute for Future
> Environments
>
> Queensland University of Technology
>
>
ease do NOT attach files to the whole list >
> Send commands to eg: HELP as the subject with no body
> text
> The Rietveld_L list archive is on
> http://www.mail-archive.com/rietveld_l@ill.fr/
> ++++++
>
>
--
ble. Don't believe that everything can be determined by powder
diffraction :-)
Alan
______
Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE
from my telephone
+33.476.98.41.68
http://www.NeutronOptics
is on
http://www.mail-archive.com/rietveld_l@ill.fr/
++
--
__
* Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE *
+33.476.98.41.68
http://www.NeutronOptics.com/hewat TVA FR 79499450856
an account of his exceptional contributions.
Alan
__
* Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE *
+33.476.98.41.68
http://www.NeutronOptics.com/hewat TVA FR 7
OK thanks David. Perhaps write to the author. Version 2.76 installs and
runs under 64-bit Windows-10. Alan
>From my mobile phone:
Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE
+33.476.98.41.68
http://www.NeutronOptics.com/he
t; The Rietveld_L list archive is on
> http://www.mail-archive.com/rietveld_l@ill.fr/
> ++
>
>
--
__
* Dr Alan Hewat
that :-)
>From my mobile phone:
Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE
+33.476.98.41.68
http://www.NeutronOptics.com/hewat
++
Please do NOT attach files to the whole list
S
> You dig !
Please stop digging Armel. Loaded guns, grave digging and religion are off
limits.
__
* Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE *
+33.476.98.41.68
http://www.NeutronOptics.com/he
structure DETERMINATION from
neutron powder data. Very few citations though; crystallographers largely
ignored neutron powder diffraction before 1987 and Hi-Tc :-)
__
* Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE *
+33.476.98.41.68
> text
> The Rietveld_L list archive is on
> http://www.mail-archive.com/rietveld_l@ill.fr/
> ++++++
>
>
--
__
*
*> Argh ! Shame on us three ! *
Yes, we went too far. Sorry Armel. But Robert only has to read the footer
at the bottom of every post to find how to remove himself.
__
* Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE *
+33.476.98.41.68
h
the 1972 Rietveld code
<http://www.ccp14.ac.uk/ccp/web-mirrors/hewat-rietveld/index.html>.
______
* Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE *
+33.476.98.41.68
eld (1969) instead of just Rietveld (1969). I would also call
quantitative phase analysis from powders "profile refinement" rather than
Rietveld refinement, and reference Werner et al. (1979).
______
Dr Alan He
to him.
Gauss and Legendre's work shows that science is not performed by
individuals in a vacuum.
*Now we call it "Least Squares Refinement" and not "Gauss Refinement".*
______
* Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE *
+33.476.98.41.68
p/web-mirrors/hewat-rietveld/
__
* Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE *
+33.476.98.41.68
http://www.NeutronOptics.com/
that case, the name "Rietveld technique" isn't used to credit the
> inventor(s) of the methodology, but rather to acknowledge the author of the
> original programming code.
>
>
>
>
>
>
> Kind Regards,
>
>
> *Scott A Speakman, Ph.D. *Principal Scient
ellent list-server, so I became
> member and posted our message. Now I�m happy to mention that since that day
> Acta A counted almost 700 downloads for the paper, so we clearly reached
> our goal.
> >
> > I was also pleased to follow the discussion, very lively and
> interesting
ideas too and
> possibly for mathematics as well.
>
>
>
> Best,
>
>
>
> Armel
>
>
>
>
>
>
> ++++++
> Please do NOT attach files to the whole list >
> Send commands
u Believe :-) Alan.
______
* Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE *
+33.476.98.41.68
http://www.NeutronOptics.com/hewat
__
++
Please
attach files to the whole list >
> Send commands to eg: HELP as the subject with no body
> text
> The Rietveld_L list archive is on
> http://www.mail-archive.com/rietveld_l@ill.fr/
> +
nd commands to eg: HELP as the subject with no body
> text
> The Rietveld_L list archive is on
> http://www.mail-archive.com/rietveld_l@ill.fr/
> ++
>
>
--
ganised on "30 Years of Rietveld Refinement
<http://ww1.iucr.org/news/v7n4/7-4.pdf>" (page 7).
At my age, I prefer Googling the literature rather than relying on my
remembrances :-)
On Fri, 17 Aug 2018 at 00:22, Alan Hewat
wrote:
> > * I remember that a Fortran version
>
>
>
>
>
>
>
>
>
>
>
>
> ++
> Please do NOT attach files to the whole list >
> Send commands to eg: HELP as the subject with no body
> text
> The Rietveld_L list archive is o
Jephcoat is a good one. Yes, we did stand
> on the shoulders of others, but I think we gave them credit in the
> manuscript.
__
* Dr Alan Hewat, Neut
pen Access and can be
> downloaded from: http://journals.iucr.org/a/issues/2018/02/00/ib5058/
> ib5058.pdf
>
> At the moment it is the most read article of Acta Cryst. A of the last 6
> months: http://178.33.252.149/a/services/mostread.html
>
> Kind greetings,
> Henk Schenk
&g
018
ILL Grenoble, France
Email: diffeng...@ill.eu <%20diffeng...@ill.eu>
URL: https://indico.ill.fr/EnergyMaterials
_
______
* Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE *
+33.476.98.
+++
>
>
>
>
> --
> *
> Pr. Francois GOUTENOIRE
> e-mail: francois.gouteno...@univ-lemans.fr
> Tel: 02.43.83.33.54 <02%2043%2083%2033%2054>
>
of
the relative merits of commercial products. If in doubt, it is best to ask
first, as some members already do.
Alan.(Rietveld list manager)
__
* Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE *
<alan.he...@neutronoptics.com> +33.476.98.41.68
of such centres, who
will then hopefully buy their own copy to be able to continue refining
their data when they get back home.
Alan
______
* Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE *
<alan.he...@neutronoptics.com> +33.476.98.41.68
ht
hape parameters
> for the main phase?
>
Yes. Then you can refine the cell parameters and scale factors for the
impurity phases. Be careful not to include too many peak shape parameters -
start by constraining them to be the same for all phases.
___
_______
From my mobile telephone
Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE
<alan.he...@neutronoptics.com> +33.476.98.41.68
http://www.NeutronOptics.com/hewat
_
; Please do NOT attach files to the whole list <alan.he...@neutronoptics.com
> >
> Send commands to <lists...@ill.fr> eg: HELP as the subject with no body
> text
> The Rietveld_L list archive is on http://www.mail-archive.com/
> rietveld_l@ill.fr/
> ++++++
12-16 December 2016
ILL Grenoble, France
Email: ntmsd2...@ill.fr
URL: https://indico.ill.fr/indico/event/53
__
* Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE *
<alan.he...@neutronoptics.com> +33.476.98.41.68
http://www.NeutronOptics.com
text
> The Rietveld_L list archive is on http://www.mail-archive.com/
> rietveld_l@ill.fr/
> ++++++
>
>
>
--
__
* Dr Alan Hewat, NeutronOptics, G
con.
Alan
__
* Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE *
<alan.he...@neutronoptics.com> +33.476.98.41.68
http://www.Neutron
Our Rietveld list obituary for Hugo Rietveld has now been published online
by J.Appl.Cryst.
http://journals.iucr.org/j/issues/2016/04/00/es0421/index.html
Thank you for all the public and private messages of sympathy.
Alan
__
* Dr Alan Hewat
ction and Rietveld Refinement.
Having achieved all of that, and with a loving family and friends, he will
surely rest in peace.
Alan Hewat (AH), Bill David (WIFD) and Lambert van Eijck (LvE) July 2017
______
* Dr Alan Hewat, NeutronOptics, Grenoble, FRANC
try to prepare a sample without impurity phases. The
chemistry of mixed valence heavy metal oxides is difficult enough, even
with neutron diffraction let alone x-ray powder diffraction, without having
poorly characterised impurity phases to contend with.
Alan
______
/inis.iaea.org/search/searchsinglerecord.aspx?recordsFor=SingleRecord=17058181
You might like to add it to COD :-)
Alan.
______
* Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE *
<alan.he...@neutronoptics.com> +33.476.98.41.68
http://
--
>
> Prof. Matteo Leoni, PhD
>
> DICAM - University of Trento
> via Mesiano, 77
> 38123 Trento - Italy
>
> Tel +39 0461 282416 Fax +39 0461 282672
>
> e-mail: matteo.le...@unitn.it
>
> -
o been "thoroughly checked in house,
quality marked, cross referenced and corrected when needed."
______
* Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE *
<alan.he...@neutronoptics.com> +33.476.98.41.68
to first determine if the
structures have been published. If not, you will have to determine them
yourself. It is not so difficult if you have good data and know the space
group and lattice dimensions.
Alan
__
* Dr Alan Hewat, NeutronOptics, Grenobl
cture de Sr Te O4 sur monocristal. Organisation de structures
comportant des empilements de chaines (Te O4)n. Dimorphisme de Na2TeO4"*
Lapasset, J.;Moret, J. (1985) Acta Crystallographica C41, 1558-1562
<http://scripts.iucr.org/cgi-bin/getarticleid?issn=0108-2701=41=1558=yes>
__
mmands to <lists...@ill.fr> eg: HELP as the subject with no body
> text
> The Rietveld_L list archive is on
> http://www.mail-archive.com/rietveld_l@ill.fr/
> ++
>
>
>
--
__
* Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE *
<alan.he...@neutronoptics.com> +33.476.
Rhein in Germany offer many accommodations at moderate prices to lodge you
during the conference.
Hoping to see you in Basel in August this year!
Sincerely, in the name of the National Organizing Committee,
Katharina M. Fromm and Juerg Schefer
__
* Dr Alan
of NaH and NaD", C. G. Shull, E. O.
Wollan, G. A. Morton and W. L. Davidson, Physical Review 1948, 73, 842-847
Alan
On 31 January 2016 at 21:30, Alan Hewat <alan.he...@neutronoptics.com>
wrote:
> By automated I mean simply producing digital data, in x y pairs
>
>
>
n-laboratory source
__
* Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE *
<alan.he...@neutronoptics.com> +33.476.98.41.68
http://www.Neutr
u must be younger than I thought Jim, with your 1980 memories, or else I
am older than I think :-)
Alan.
--
__
* Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE *
<alan.he...@neutronoptics.com> +33.476.98.41.68
http://www.NeutronOpti
>
> I didn’t realize there were so many sub-developments...
>
Still, modern x-ray powder diffraction is the most important
sub-development...
Alan
__
* Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE *
<alan.he...@neutronoptics.com> +
>
> Brute force is a nicer way of putting it than blind luck :-)
Does "Tour de force" work in American ?
I have had that get by US reviewers, though they otherwise correct my
English :-)
Alan.
______
* Dr Alan Hewat, NeutronOptics,
, thanks for using dropbox instead of an attachment. That's the way to
go...
--
__
* Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE *
alan.he...@neutronoptics.com +33.476.98.41.68
http://www.NeutronOptics.com/hewat
Alan Hewat, NeutronOptics, Grenoble, FRANCE *
alan.he...@neutronoptics.com +33.476.98.41.68
http://www.NeutronOptics.com/hewat
__
++
Please do NOT attach files to the whole list alan.he
Al2O3 disk, if indeed you want a disk
rather than powder.
Alan
__
* Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE *
alan.he...@neutronoptics.com +33.476.98.41.68
http://www.NeutronOptics.com/hewat
Elbert
Earth and Planetary Sciences
Olin Hall
Johns Hopkins University
3400 N. Charles St
Baltimore, MD 21218
(410) 516-5049
elb...@jhu.edu
On Jul 14, 2015, at 7:18 AM, Alan Hewat alan.he...@neutronoptics.com
wrote:
Sorry Jim. Even if your attachment is tiny, if I make exceptions
performance.
Frankly, I am indeed a little old-fashioned. If you can't find it with
Google... it doesn't exist.
Alan.
__
* Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE *
alan.he...@neutronoptics.com +33.476.98.41.68
http://www.NeutronOptics.com
/
++
--
__
* Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE *
alan.he...@neutronoptics.com +33.476.98.41.68
http://www.NeutronOptics.com/hewat
__
++
Please do NOT attach files
2000 CHF? Precise temperature control is essential since often you will
want to work near transitions where you risk destroying your sample. That
also costs.
_
From my mobile telephone
Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE
alan.he
I was not complaining about the cost, just questioning what was quoted -
only two thousand CHF ? Does that include a precise temperature controller
- or just the hot air ?
_
From my mobile telephone
Dr Alan Hewat, NeutronOptics, Grenoble
/
++
--
__
* Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE *
alan.he...@neutronoptics.com +33.476.98.41.68
http://www.NeutronOptics.com/hewat
, wherever I am, just like SMS, Tweets or whatever. So, if
it helps, just think of email as a kind of bigger tweet.
Re-invent the wheel - and name it something else. Alan.
Sent from my phone.
__
* Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE *
alan.he
/
++
--
__
* Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE *
alan.he...@neutronoptics.com +33.476.98.41.68
http://www.NeutronOptics.com/hewat
__
++
Please do NOT attach
, there are fewer people
interested. But certainly prepare a graph if you wish. Just don't post it
to all 1500+ members :-)
Kind regards, Alan.
__
* Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE *
alan.he...@neutronoptics.com +33.476.98.41.68
http
/
++
--
__
* Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE *
alan.he...@neutronoptics.com +33.476.98.41.68
http://www.NeutronOptics.com/hewat
://www.helmholtz-berlin.de
__
* Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE *
alan.he...@neutronoptics.com +33.476.98.41.68
http://www.NeutronOptics.com/hewat
://news.sciencemag.org/biology/2015/05/electron-microscopes-close-imaging-individual-atoms
BTW Mike, when I said that all structures are triclinic I was joking;
actually most of them are monoclinic:-)
Alan.
__
* Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE
in generally
trustworthy journals...
With best regards,
Leo
2015-05-09 6:39 GMT-03:00 Alan Hewat alan.he...@neutronoptics.com:
Dear Rietveld list.
Good to see so many people asking for the list to be continued. And even
an example of an interesting scientific question immediately answered
--
Song Zhen
Department of Materials Physics and Chemistry
University of Science and Technology Beijing
At 2015-05-09 17:39:46, Alan Hewat alan.he...@neutronoptics.com wrote:
Dear Rietveld list.
Good to see so many people asking for the list to be continued. And even
an example
experiments on
XFEL sources to which he referred.
Regards, Alan.
__
* Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE *
alan.he...@neutronoptics.com +33.476.98.41.68
http://www.NeutronOptics.com/hewat
scattering methods
would be a plus. The position is available immediately. For further
information contact Igor Levin, igor.le...@nist.gov.
Kind Regards,
Igor Levin
__
* Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE *
alan.he...@neutronoptics.com
, you can still read the list on the archive.
Alan
__
* Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE *
alan.he...@neutronoptics.com +33.476.98.41.68
http://www.NeutronOptics.com/hewat
of this rule, which is stated in the footer to
every message, you will be temporarily suspended from the list.
Alan.
__
* Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE *
alan.he...@neutronoptics.com +33.476.98.41.68
http://www.NeutronOptics.com/hewat
/
++
--
__
* Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE *
alan.he...@neutronoptics.com +33.476.98.41.68
http://www.NeutronOptics.com/hewat
://www.mail-archive.com/rietveld_l@ill.fr/
++
--
__
* Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE *
alan.he...@neutronoptics.com +33.476.98.41.68
http://www.NeutronOptics.com/hewat
Send commands to lists...@ill.fr eg: HELP as the subject with no body
text
The Rietveld_L list archive is on
http://www.mail-archive.com/rietveld_l@ill.fr/
++
--
__
* Dr Alan Hewat
members who can advise you about specific
problems. To join, send an email to lists...@ill.fr with the title:
SUBSCRIBE Rietveld_L your name and lab
With kind regards, Alan Hewat (Rietveld list manager)
__
* Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE
. Exposés d'ouverture
- 1h : David Carpentier : *Isolants topologiques*
- 1h : Nathalie Viart : *Les méthodes de synthèse ou élaboration de
matériaux.*
__
* Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE *
alan.he...@neutronoptics.com
be second nature, especially in a
chemistry or radiation laboratory.
Alan
__
* Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE *
alan.he...@neutronoptics.com +33.476.98.41.68
http://www.NeutronOptics.com/hewat
__
Dr Alan Hewat, NeutronOptics, Grenoble FRANCE
alan.he...@neutronoptics.com +33.476.98.41.68
http://www.NeutronOptics.com/hewat
__
On 10 Feb 2014 06:42, Dave Billing dave.bill...@wits.ac.za wrote:
Morning All
__
Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE
alan.he...@neutronoptics.com +33.476.98.41.68
http://www.NeutronOptics.com/hewat
__
++
Please do
__
Dr Alan Hewat, NeutronOptics, Grenoble FRANCE
alan.he...@neutronoptics.com +33.476.98.41.68
http://www.NeutronOptics.com/hewat
__
On 26 Dec 2013 23:34, Enyuan Hu bearcha...@gmail.com wrote:
Dear all,
I've been looking
a little end-of-year diversion from the usual Rietveld exchanges :-)
Alan.
__
Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE
alan.he...@neutronoptics.com +33.476.98.41.68
http://www.NeutronOptics.com/hewat
and scientists analysed and published the results. This attitude still
colours relations at large scale user facilities.
Alan
__
Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE
alan.he...@neutronoptics.com +33.476.98.41.68
http
, a trophy and a
certificate. The award is presented yearly at an event that is still to be
confirmed.
http://www.panalytical.com/en/Events-overview/The-PANalytical-Award.htm
__
Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE
alan.he...@neutronoptics.com
a heavy atom compound with one axis as long
as 17.5 Angstroms - by x-ray powder diffraction !
The future isn't what it used to be (Paul Valery, French poet)
Alan
__
Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE
alan.he...@neutronoptics.com +33.476.98.41.68
restraining the two principal antagonists from
posting for a 1 week relaxation period :-) Please email me personally
if you don't agree.
__
Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE
alan.he...@neutronoptics.com +33.476.98.41.68
http
relaxation period :-) Please email me personally
if you don't agree.
__
Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE
alan.he...@neutronoptics.com +33.476.98.41.68
http://www.NeutronOptics.com/hewat
up on your suggestions that I forwarded to
him.
Alan
On 1 August 2013 01:08, Alan Hewat alan.he...@neutronoptics.com wrote:
A colleague asks if anyone can help him with the rotating sample
compartment of an old Philips 1055/81 goniometer ? He badly needs this
part since the company (Panalytical
it at that.
Alan
__
Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE
alan.he...@neutronoptics.com +33.476.98.41.68
http://www.NeutronOptics.com/hewat
#delete ).
Thanks to Stephane Armanet at ILL, we think we have solved this
problem, and this message and all future messages to the Rietveld_L
list should appear on
http://www.mail-archive.com/rietveld_l@ill.fr/maillist.html
Alan
__
Dr Alan Hewat
A colleague asks if anyone can help him with the rotating sample
compartment of an old Philips 1055/81 goniometer ? He badly needs this
part since the company (Panalytical) say they no longer support this
very old system.
__
Dr Alan Hewat, NeutronOptics
***
__
Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE
alan.he...@neutronoptics.com +33.476.98.41.68
http://www.NeutronOptics.com/hewat
__
them away.
__
Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE
alan.he...@neutronoptics.com +33.476.98.41.68
http://www.NeutronOptics.com/hewat
__
__
Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE
alan.he...@neutronoptics.com +33.476.98.41.68
http://www.NeutronOptics.com/hewat
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