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A Novel X-Ray Powder-Diffractometer, Measuring Preferred-Orientations
Published online by Cambridge University Press: 06 March 2019
Extract
The instrument employs a fully-focussing optical system which allows a wide range of sample-orientations and thus permits determination of the preferred-orientation distribution-function. Hence, measured peak-intensifies can be corrected for non-randomness.
The sample performs a planetary motion around the focus of the primary, monochromatic beam. The angle of incidence can be varied over a wide range of values, including both transmission and reflection. The sample can be rotated in its own plane in a controlled manner. Full illumination is obtained in any position of the sample. The diameter of the Rowland-sphere of the powder-optics remains constant and permits the use of a sphericai sample-layer.
- Type
- VI. XRD Techniques, Instrumentation and P.C. Applications
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- Copyright © International Centre for Diffraction Data 1987