[Ifeffit] Virtual SSRL Summer School on Synchrotron X-Ray Absorption Spectroscopy and Imaging Oct 25-28, 2022

2022-09-06 Thread Ritimukta Sarangi
Hello EXAFS enthusiasts, We are hosting the SSRL "not quite summer" summer school at the end of October this year (Oct 25-28). We wanted to include real experiments and deferred the school to the start of operations at SSRL. The event is virtual and all information (including registration details)

[Ifeffit] Postdoc announcement

2021-04-29 Thread Ritimukta Sarangi
Hello, I apologize in advance for spamming everyone on the IFEFFIT site with this posting. SSRL is currently looking to hire a two year post-doctoral fellow. The successful candidate will utilize x-ray spectroscopic techniques (XAS and EXAFS) to study the electronic and geometric structure of

[Ifeffit] Workshop Opportunity for XAS users in the field of Biogeochemistry.

2020-11-24 Thread Ritimukta Sarangi
Hello, Apologies for the mass email. SSRL, in conjunction with EMSL is organizing a Workshop titled "Spectroscopy and Modeling for Molecular Insights into Environmental Processes" on 26, Jan 2021. The main focus is to encourage and provide help in getting started with the use of theory and

[Ifeffit] EXAFS, Spectroscopy and Imaging Summer School Youtube Page

2020-10-13 Thread Ritimukta Sarangi
Hello EXAFS enthusiasts, We have uploaded our 2020 summer school material on the Youtube Channel : https://www.youtube.com/channel/UC3sd8ZqQkNfDK11jM8cOWzw/videos You may find useful material for your synchrotron XANES/EXAFS/Imaging research. You can subscribe and share the page with colleagues as

[Ifeffit] RE-REGISTRATION Request for SSRL Summer School

2020-08-05 Thread Ritimukta Sarangi
Hello everyone, This message is going out at *11:23 AM PST on Aug 5, 2020*. Our registration website for the summer school has been overwhelmed by requests and we had to stop registration and fix some of the errors. I request that *if you registered before that time, please go ahead and

Re: [Ifeffit] Wrong dates for the school in the Subject line of previous email! Correct dates: Sep 8-10, 2020

2020-08-05 Thread Ritimukta Sarangi
way I am unable to do the registration in > the link that you shared. It shows a message that " you may not submit > another entry at this time". What does this mean? Kindly clarify this. > > Thank you > > Regards, > *Nirmalendu Patra* > > > > On

[Ifeffit] Wrong dates for the school in the Subject line of previous email! Correct dates: Sep 8-10, 2020

2020-08-04 Thread Ritimukta Sarangi
Hello folks, Please be advised that the dates in the subject line for the SSRL summer school were incorrect. The school will be held from Sep 8-10, 2020. Thank you, Riti On Tue, Aug 4, 2020 at 5:05 PM Ritimukta Sarangi wrote: > Hello Folks, > The registration page for the EXAFS Summer

Re: [Ifeffit] Apply for SSRL EXAFS Summer School June 19-23

2020-08-04 Thread Ritimukta Sarangi
Hello Folks, The registration page for the EXAFS Summer School at SSRL is now open. You can get more information at https://conf.slac.stanford.edu/exafs-2020/. The deadline to register is *August 20, 2020. (* https://conf.slac.stanford.edu/exafs-2020/registration) Please note that the school is

Re: [Ifeffit] Reported W L3-edge and L2-edge energy

2020-05-07 Thread Ritimukta Sarangi
Hello everyone, In my experience, it is best to stay away from sulfate which has a hugely intense peak subject to self absorption. At SSRL, we advice users to choose Sodium Thiosulfate with the low lying and sharp S-S sigma star peak at 2472.02 eV and Tetraphenyl phosphonium bromide at 2146.96 eV

Re: [Ifeffit] about the k-range choice

2020-04-28 Thread Ritimukta Sarangi
Hi Shaofeng, Is there a reason not to use the highest k data? (You have really good data past k=14?). In general you should use as high of a k range as available unless the data are bad, compromised at high k and/or you want to compare to data of a certain k range. As you know, the shape of FT

Re: [Ifeffit] EXAFS of wine

2018-11-01 Thread Ritimukta Sarangi
Anatoly, If we digitize the picture and solve the structure, is the prize the bottle itself :-) Best regards, Riti Sent from my iPhone > On Nov 1, 2018, at 3:27 PM, Anatoly Frenkel > wrote: > > I thought this mailing list is an appropriate venue to post a picture of the > bottle of wine I

[Ifeffit] micro-XAS Imaging Post-Doc Position

2018-07-16 Thread Ritimukta Sarangi
Hello, Apologies for the spam email. We have a 3-year position available for micro-XAS imaging for biological applications at SSRL, SLAC, Menlo Park, CA. The details of the position are attached. Please contact me directly if you or anyone you know might be interested. Best Wishes, Riti Sarangi

Re: [Ifeffit] Interpreting old XANES data with missing standards

2018-06-08 Thread Ritimukta Sarangi
Hi Don, I am sure you are aware but I would like to remind you that the sulfides that you are working with have serious potential for self absorption. Most spectra out there have different degrees of self absorption which can really mess up LCA type analysis. This is not a quick solution, but

[Ifeffit] SSRL EXAFS School- Application Closing Soon!

2018-05-18 Thread Ritimukta Sarangi
Wishes and have nice weekend! Riti Sarangi On Mon, Apr 30, 2018 at 10:06 AM Ritimukta Sarangi <ritimu...@gmail.com> wrote: > Hello Friends, > SSRL will host its annual summer school this year during the third week > of August (13th-16th). The application page is now open. Please h

[Ifeffit] SSRL XAFS Summer School

2018-02-28 Thread Ritimukta Sarangi
Hello, SSRL will host its annual summer school this year during the third week of August (13th-17th). The focus of the school will on EXAFS hands on data analysis. In addition, electronic structure determination from the XAS pre-edge analysis and advanced spectroscopies will be covered. Examples

[Ifeffit] SSRL EXAFS Summer School

2017-04-10 Thread Ritimukta Sarangi
Hello folks, This is a reminder that today is the last day to apply for the summer school in April. I encourage you to visit the site at: http://www-ssrl.slac.stanford.edu/conferences/workshops/exafs2017/index.html .

[Ifeffit] Apply for SSRL EXAFS Summer School June 19-23

2017-03-20 Thread Ritimukta Sarangi
Hello Everyone, The application page for the Summer School at SSRL is up! http://www-ssrl.slac.stanford.edu/conferences/workshops/exafs2017/index.html Please read through the text to understand the two-step process

[Ifeffit] SSRL EXAFS Summer School 2017

2017-02-23 Thread Ritimukta Sarangi
Hello everyone, Responding to popular demand, the SSRL summer school will be held during the last week of June in 2017. More information will be available on the SSRL website soon and I will send a link to the school webpage to this list (when its available). Stay tuned! Best, -Riti Sarangi SSRL

[Ifeffit] EXAFS and XANES Summer School at SSRL

2017-01-09 Thread Ritimukta Sarangi
Hello folks, I have received several queries over the last 6 months about hosting an EXAFS Summer School in 2017 at SSRL. Typically we host it every other year, so we would have offered the School in 2018. However, if there is very high interest, we would certainly consider hosting a school in

Re: [Ifeffit] demeter installation in OSX El Capitan

2016-07-21 Thread Ritimukta Sarangi
I don't think it works on el capitan Sent from my iPhone > On Jul 20, 2016, at 22:37, Ping, Yuan wrote: > > Dear all, > > I recently upgraded my mac to OSX El Capitan, and tried to install demeter > following the steps at http://bruceravel.github.io/demeter/ > > XQuartz

[Ifeffit] No Reference Foil

2016-07-12 Thread Ritimukta Sarangi
Hello Neil, I guess you might have tried this already - do you have any signatures in the I0 data? Such as a glitch or any other edge absorption. Sometimes these can be used as “internal calibration”. -Riti Sarangi > On Jul 12, 2016, at 2:54 PM, Neil M Schweitzer >

Re: [Ifeffit] Question about H scattering

2016-05-24 Thread Ritimukta Sarangi
line so it is more specific > than "Re: Contents of Ifeffit digest..." > > > Today's Topics: > >1. Re: Question about H scattering (Matt Newville) > > > ------ > > Message: 1 > Date: Mon, 23 May 2016 15:44:20 -0500 > From: Matt

[Ifeffit] Co(IV)oxide

2016-04-26 Thread Ritimukta Sarangi
Hello Ifeffit users, We in the biomimetic community are having a heated discussion about the XAS (pre-edge and edge) data of Co(IV)=O molecular complexes. Turns out that there are very few bonafide complexes that can be used as a standard for Co(IV) and they are rather difficult to obtain. I

[Ifeffit] SSRL XAS Summer School 2016 - update

2016-04-12 Thread Ritimukta Sarangi
ttp://ssrl.slac.stanford.edu/conferences/workshops/exafs2016/index.html> Best Wishes, -Riti Sarangi Staff Scientist SSRL, SLAC > On Apr 4, 2016, at 12:32 PM, Ritimukta Sarangi <ritimu...@gmail.com> wrote: > > Hello Everyone, > This is an announcement for the XAS summer s

[Ifeffit] SSRL XAS Summer School 2016

2016-04-04 Thread Ritimukta Sarangi
wanted interested users and participants to get a heads up. Best Wishes, Ritimukta Sarangi SSRL ___ Ifeffit mailing list Ifeffit@millenia.cars.aps.anl.gov http://millenia.cars.aps.anl.gov/mailman/listinfo/ifeffit Unsubscribe

Re: [Ifeffit] Any XAFS schools in North America this year?

2016-02-28 Thread Ritimukta Sarangi
We at SSRL will host an exafs summer school in July 3rd week. I can post more about it here next week when we finalize the format. Sent from my iPhone > On Feb 28, 2016, at 08:05, Robert Gordon wrote: > > Hi All, > > I have a couple of students who are novices. I was

Re: [Ifeffit] Feature near edge of Ni XANES spectrum

2016-02-09 Thread Ritimukta Sarangi
Hello Aditya, If I understand correctly, the nomenclature you are using is a little misleading. The sharp feature that you are referring to is a rising-edge feature and is not after the edge. The is a classic feature for square planar complexes and Ni does form a lot of those. The origin of this

Re: [Ifeffit] pi/2deltak

2016-02-01 Thread Ritimukta Sarangi
my caveats above. > > cheers, > Robert > > On 1/31/2016 6:33 PM, Matt Newville wrote: >> Hi Riti, >> >> On Sat, Jan 30, 2016 at 7:35 PM, Ritimukta Sarangi < >> <mailto:ritimu...@gmail.com>ritimu...@gmail.com >> <mailto:ritimu...@gmail.c

[Ifeffit] pi/2deltak

2016-01-30 Thread Ritimukta Sarangi
Hello, I was recently asked about the accuracy of this formulation for obtaining EXAFS resolution and I did not have a good answer. Can someone point to a reference or explain here? Thank you for your time, Best, -Riti ___ Ifeffit mailing list

Re: [Ifeffit] CuO XAS spectrum

2015-12-02 Thread Ritimukta Sarangi
Have you tried the Farrel Lytle Database? -Riti On Dec 2, 2015, at 3:32 PM, Enyuan Hu wrote: > Dear all, > > I'm analyzing some Cu compounds spectra and was wondering if anyone has the > CuO XAS spectrum and is willing to share. Thanks. > > best regards, > Enyuan >

[Ifeffit] Hello

2015-11-13 Thread Ritimukta Sarangi
Hi Bruce and Matt, Are there any obvious examples of where Sterns criteria is shown to be incorrect? Meaning that 2delkdelR/pi +2 has been shown to over predict the number of available independent parameters? I have often been asked this by students/users and failed to explain it well, except

Re: [Ifeffit] XANES fitting

2011-10-12 Thread Ritimukta Sarangi
, Ritimukta Sarangi ri...@stanford.edu wrote: Hi Matt, This is Riti again. This time I have a question about EXAFS, which you are an expert on :-) I would like to get your view on systematic errors in EXAFS. Say the data were collected on a standard EXAFS beamline like 7-3 at SSRL. The data have been