THE CBNM SCANNING NUCLEAR MICROPROBE ANALYTICAL FACILITY

被引:0
|
作者
LOVESTAM, NEG [1 ]
SWIETLICKI, E [1 ]
WATJEN, U [1 ]
LOUWERIX, E [1 ]
PERUJO, A [1 ]
RIETVELD, P [1 ]
机构
[1] COMMISS EUROPEAN COMMUNITIES,CENT BUR NUCL MEASUREMENTS,JOINT RES STR,STEENWEG RETIE,B-2440 GEEL,BELGIUM
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D O I
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中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
The new scanning nuclear microprobe setup of the Central Bureau for Nuclear Measurements (CBNM) in Geel, Belgium, is described. A 2.5 x 2.5-mu-m2 proton beam is routinely achieved with 100 pA beam current by means of a special focusing procedure. Elemental analysis using both particle induced X-ray emission (PIXE) and Rutherford backscattering spectrometry (RBS), as well as the detection of secondary electrons for imaging are implemented. A comprehensive, user-friendly computer system facilitates flexible real-time elemental mapping and analysis of incoming data in a menu style fashion. In addition the complete data stream can be collected in a list-mode fashion or as spectra pixel by pixel for later off-line and detailed analysis.
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页码:463 / 473
页数:11
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