A new powder diffraction method for linear detectors
Journal Article
·
· Review of Scientific Instruments; (United States)
- Argonne National Laboratory, Argonne, Illinois 60439 (United States)
In this article we describe a new type of powder diffractometer that gives a significant improvement in count rate over existing methods. The key to the new technique is the use of a flat, diffracted beam monochromator in combination with a position sensitive detector. The incident x rays fall on a flat plate or capillary sample and multiple diffraction lines are reflected by the monochromator out of the equatorial plane onto a position sensitive detector. Since the monochromator is tuned for the incident beam energy, background from fluorescence or other scattering is eliminated and data can be recorded over a range of several degrees thereby providing a large improvement in counting efficiency over conventional diffractometers. This new method is also compared to a previous article which employed a focusing analyzer crystal and position sensitive detector.
- DOE Contract Number:
- W-31109-ENG-38
- OSTI ID:
- 7368984
- Journal Information:
- Review of Scientific Instruments; (United States), Journal Name: Review of Scientific Instruments; (United States) Vol. 64:8; ISSN 0034-6748; ISSN RSINAK
- Country of Publication:
- United States
- Language:
- English
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