Software > STRATAGem

Using StrataGEM for Thin Film Data Processing

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UofO EPMA Lab:
We use STRATAGem* for processing our multi voltage analysis (MVA) EPMA data to obtain both composition and thickness on thin films deposited on various substrates. However, if an element is present in both the film and substrate the film thickness or composition must be specified. Multiple layers can also be accommodated.

Here is the Probe for EPMA k-ratio export window for STRATAGem* reprocessing:



Here are the results for a thin film calculation in STRATAGem*:



The document attached below will be of assistance in exporting STRATAGem* results to Excel.

More discussion on thin film analysis in PFE can be found here:

http://probesoftware.com/smf/index.php?topic=111.0

* © Copyright 1993-2016 SAMx

Anette von der Handt:
Philip Pinard has done it again! He has created a Python-based front-end for STRATAGem.

From the webpage: "stratagemtools is a Python interface to SAMx’s STRATAGem program. The interface allows, for example, to calculate k-ratios and compute film thickness in Python using the STRATAGem’s OEM interface, i.e. without the normal graphical interface. It gives an object oriented approach to microanalysis calculations.

stratagemtools was developed as part of the doctorate thesis project of Philippe T. Pinard at RWTH Aachen University (Aachen, Germany) under the supervision of Dr. Silvia Richter."

http://stratagemtools.readthedocs.io/en/latest/

Mike Matthews:
Can anyone tell me what the prime reference is for STRATAGem (i.e. what journal/conference was it first announced/described in)? The website says it was first released in May 1991 but the first paper after this given is a 1993 Pouchou and Pichoir paper in Scanning Microsc. Supple. 7 which I can't find on-line.

Mike

jrminter:
I checked the StrataGem manual and it pointed to these two references describing the theory:

J.L. POUCHOU, F. PICHOIR and D. BOIVIN, Proc. ICEM 12, Seattle 1990; Microbeam Analysis, San Francisco Press, (1990), 120; ONERA Report TP 1990-109.

J.L. POUCHOU and F. PICHOIR, Electron Probe Quantitation, ed. Heinrich and Newbury, Plenum Press, New York, (1991), 31.

I also have this reference which shows an early release of the software with examples:

J. L. Pouchou, "X-ray Microanalysis of stratified specimens", Analytica Chemica Acta, 283, 81-97 (1993).

If I were to cite one, it would be the 1993 article.

Best regards,
John Minter

Mike Matthews:
Many thanks John.

Mike

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