ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] An inherent limitation in the use of the electron microprobe to analyse very, small concentrations of elements lies in the substantial non-characteristic X-ray background caused by electron bremsstrahlung. This is very much reduced when a proton beam is used to excite X rays in a sample because the ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/312352a0
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