Digitale Medien
Copenhagen
:
International Union of Crystallography (IUCr)
Applied crystallography online
25 (1992), S. 268-273
ISSN:
1600-5767
Quelle:
Crystallography Journals Online : IUCR Backfile Archive 1948-2001
Thema:
Geologie und Paläontologie
,
Physik
Notizen:
Construction and performance of a spectrometer based on a high-voltage generator and W-anode X-ray tube are described. W Kα1 radiation is monochromated using a bent Ge (400) crystal. The obtained monochromatic flux is 107 photons s−1 and the beam size at the focal point 15 × 0.5 mm. Comparison is made with a 241Am γ-ray source, which has an almost equal photon energy. The W Kα1 beam does not exhibit the low-energy tail typical for the γ-ray source but, on the other hand, a small contribution of doublet energy was observed. Directional Compton profiles of pyrolytic graphite were measured with both sources and essentially the same features were found.
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1107/S0021889891012517
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