Electronic Resource
[S.l.]
:
International Union of Crystallography (IUCr)
Acta crystallographica
44 (1988), S. 623-627
ISSN:
1600-5724
Source:
Crystallography Journals Online : IUCR Backfile Archive 1948-2001
Topics:
Chemistry and Pharmacology
,
Geosciences
,
Physics
Notes:
The factors influencing the homogeneity of the incident X-ray beam when a graphite monochromator is applied are discussed, in particular the influence of the size and shape of the focal spot of the X-ray tube and the diffraction angle of the monochromator. Beam profiles have been measured for several commonly used X-ray tubes - with a fine or normal focus - and compared. It is shown that in certain cases the normal-focus X-ray tubes give a much broader high- intensity region of the incident beam than the fine- focus X-ray tubes.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1107/S0108767388002417
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