When I arrived at Sherbrooke University, I was in Mechanical Engineering not in Materials Engineering, and my basic training is metallurgy. Let's say that the electron microscopy was not the big thing at that University... at that time! So, I had to do research to stick on what I did in my Ph.
D. and my Ph. D. was a mix of experimental work on the TEM and the SEM and also, I have developed a lot of Monte-Carlo Simulations So basically, I was using my Monte-Carlo program to start my carreer in the field of Electron Microscopy And in 93 and 94 I got two students, Dominique Drouin and Pierre Hovington, basically, that came to study with me In fact, Dominique Drouin started with me in 91 as an undergraduate student So, when Hovington joined in 93, They both started to work on a new program that is CASINO. So basically, they took my old code, rearranged it, and put it in a DOS version That later was modified in a Windows version in 2001. [What was the response?] Absolutely amazing! I have to say that CASINO was released in 1996 at the first IUMAS meeting that was in Sydney, and and Pierre Hovington went there and he presented it, and right away people started to download it on the web. And now, we have probably more than 10 thousand users in the world And the number of citations is above 700 or above that hum, mostly 800 basically. So, it has been a big success In fact, all the time you go to a conference there is quite often, you see the screen plot of electron trajectories coming from CASINO Basically, that's a classic! [What is WINX-Ray?] When I left Sherbrooke University in 2001, to join McGill University, I decided to let the CASINO software there in the hands of Dominique Drouin for a lot of practical reasons And also, I already started in 1996 to work with Eric Lifshin, while he was at GE to model X-Ray emission with Monte-Carlo Simulation but the total X-Ray spectra. CASINO just simulates characteristic intensities, not the complete EDS spectra So WIN X-Ray was developed to simulate the complete EDSspectra but only for homogenous materials And that's why Win X-Ray was created It was done through the Master Thesis of Hendrix Demers that took the work I have done with Lifshin to make a more elaborate C++ program that works under WIndows environment and also he introduced the charging models of Cazo in that program, that is not well known, But we have a model of charging on X-Ray emission in this program. [What is MC X-Ray?] MC X-Ray is a logical step of WIN X-Ray Basically, WIN X-Ray is just done for homogenous materials so MC X-Ray is the complete EDS spectra but for non-homogenous materials So we're talking about combinations of parallel and vertical planes, spheres, cylinders of different compositions You can go up to 226 compositions And we can also simulate X-Ray maps as well as BSE maps We can work in transmission mode and simulate bright-field, dark-field images and also, X-Ray maps of thin films So it's a more versatile program! [For more information, visit www.memrg.com]
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3/6/2024 06:31:02 am
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