[Ifeffit] Environmental geochemist position at DOE-National Energy Technology Laboratory

2022-08-18 Thread Mengling Stuckman
Dear ifeffit members,

Recently we are interested in hiring an environmental geochemist for our
critical mineral sustainability program at NETL, Pittsburgh, PA.
Synchrotron experience is a plus. U.S. citizens are strongly preferred.



Here is the specific job posting.



https://leidos.wd5.myworkdayjobs.com/External/job/Pittsburgh-PA/Environmental-Geochemist_R-00091475



Feel free to pass along this information to your students who are
interested. If you have any questions related to the post, feel free to
contact me at mengling.stuck...@netl.doe.gov



Thanks and have a nice day,

Mengling

-- 
Mengling Stuckman
Leidos Technical Fellow
National Energy Technology Laboratory
U.S. Department of Energy
Pittsburgh, PA
mengling.stuck...@netl.doe.gov
Office: 412-386-7387
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Re: [Ifeffit] Using larch for feff Fitting -> simple 4 parameter fit

2022-08-18 Thread Mangold, Stefan (IPS)
Thanks for the feedback:

> Am 18.08.2022 um 13:55 schrieb Christopher Patridge :
> 
> Stefan,
> 
> The simple 4 parameter fit typically involves just a single path such as the 
> first coordination shell.  Do you have multiple paths or multiple unique 
> scatterers inside the first coordination?

Artemis allows to do a fit with one structure with the for parameter:

amp and enot (aka So2 and e0 in larch)

and 

fit also with one delr (difference to structure) and one ss (aka sigma2 in 
larch)

This is not really perfect, but a nice and fast check of your structure 

best regards

Stefan Mangold  

> 
> Chris  
> 
>> On Aug 18, 2022, at 7:50 AM, Mangold, Stefan (IPS)  
>> wrote:
>> 
>> Dear all,
>> 
>> I try to use larch for Feff Fitting. For a first start, I liked the option 
>> of Artemis with the „simple 4 parameter fit“. Larch produces for every path 
>> an independent dear and sigma2. Is there a simple way to make this simple 4 
>> parameter fit also in larch?
>> 
>> best regards
>> 
>> Stefan Mangold
>> 
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Re: [Ifeffit] Using larch for feff Fitting -> simple 4 parameter fit

2022-08-18 Thread Christopher Patridge
Stefan,

The simple 4 parameter fit typically involves just a single path such as the 
first coordination shell.  Do you have multiple paths or multiple unique 
scatterers inside the first coordination?

Chris  

> On Aug 18, 2022, at 7:50 AM, Mangold, Stefan (IPS)  
> wrote:
> 
> Dear all,
> 
> I try to use larch for Feff Fitting. For a first start, I liked the option of 
> Artemis with the „simple 4 parameter fit“. Larch produces for every path an 
> independent dear and sigma2. Is there a simple way to make this simple 4 
> parameter fit also in larch?
> 
> best regards
> 
> Stefan Mangold
> 
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[Ifeffit] Using larch for feff Fitting -> simple 4 parameter fit

2022-08-18 Thread Mangold, Stefan (IPS)
Dear all,

I try to use larch for Feff Fitting. For a first start, I liked the option of 
Artemis with the „simple 4 parameter fit“. Larch produces for every path an 
independent dear and sigma2. Is there a simple way to make this simple 4 
parameter fit also in larch?

best regards

Stefan Mangold

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