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Geometrical aspects of real‐time powder diffraction using a normal generator and a linear diode‐array detector
Author(s) -
Van Malssen K.,
Peschar R.,
Schenk H.
Publication year - 1994
Publication title -
journal of applied crystallography
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.429
H-Index - 162
ISSN - 1600-5767
DOI - 10.1107/s0021889893009823
Subject(s) - diffractometer , powder diffractometer , detector , powder diffraction , diffraction , generator (circuit theory) , sample (material) , line (geometry) , optics , materials science , diode , computer science , physics , crystallography , optoelectronics , mathematics , geometry , chemistry , power (physics) , thermodynamics , scanning electron microscope
A real‐time powder diffractometer has been constructed, with which it is possible to follow structural changes taking place in a specimen in min or even seconds. Arrangements are available to control and change the temperature of the sample in the diffractometer. A formula describing the line width resulting from the non‐conventional geometry has been derived. This formula can be used for tuning the equipment to meet practical requirements. Experiments to assess this formula are presented.