Phase quantities can be determined from integrated XRD peak intensities. In this short episode I demonstrate how to calculate peak integrals in Profex.
Visit the Profex website:
https://www.profex-xrd.org
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https://www.youtube.com/watch?v=SL29yIn9i78
As a case study, I am demonstrating the Rietveld refinement of a carbonate rock samples with Profex.
00:58 Manual phase identification
02:26 Search-match module
09:06 Optimize the refinement
20:42 Closing remarks
Visit the Profex website:
https://www.profex-xrd.org
...
https://www.youtube.com/watch?v=R5Js0kcmBlQ
Your optimized refinements can be saved as presets. These can later be applied to new datasets with just a few mouse clicks.
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https://www.youtube.com/watch?v=csqD9SwTbDQ
In part 1 of this case study I am creating a Profex instrument configuration for a PANalytical Empyrean diffractometer.
01:22 Creating the refinement project
03:24 Adapting the instrument configuration
14:39 Changing the radiation spectrum
20:53 Saving the configuration to the device repository
Visit the Profex website:
https://www.profex-xrd.org
...
https://www.youtube.com/watch?v=ZO_LmaShrAw
Learn how to identify phases in XRD datasets using Profex.
Download the example dataset:
https://www.profex-xrd.org/wp-content/uploads/2015/06/01-tutorial.raw_.zip
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https://www.youtube.com/watch?v=Oqj71TiifeI
We delve into Rietveld refinement of isotropic and anisotropic crystallite sizes, as well as texture / preferred orientation with Profex and BGMN.
Download the example file:
https://www.profex-xrd.org/wp-content/uploads/2021/01/ex2-file1.zip
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https://www.youtube.com/watch?v=dGM_q6mlALM
Time stamps:
Introduction: 00:34
Application in Profex: 03:12
Download the example file:
https://www.profex-xrd.org/?page_id=515
Visit the Profex website:
https://www.profex-xrd.org
...
https://www.youtube.com/watch?v=FaM3mmwrqNY
Time stamps:
Problem explanation: 00:55
Clipping the measured range: 02:40
Extending the instrument configuration: 03:53
Saving the instrument configuration: 05:40
Visit the Profex website:
https://www.profex-xrd.org
...
https://www.youtube.com/watch?v=pX3TMu1rGIA
Profex version 4.3 comes with a new feature: The COD database can be searched directly, and CIF files can be imported and converted to the STR format very easily.
This video shows how to install the COD database and how to set up Profex accordingly.
Visit the Profex website:
https://www.profex-xrd.org
...
https://www.youtube.com/watch?v=3AdXsogfQEg