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In Auger spectroscopy, beam currents are typically _____ in a beam of diameter 0.5mm.

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In Auger spectroscopy, beam currents are typically _____ in a beam of diameter 0.5mm.

(a) 5-10 µA

(b) 5-20 µA

(c) 5-30 µA

(d) 5-50 µA

I have been asked this question in final exam.

This interesting question is from Auger Electron Spectroscopy in division Electron and Ion Spectrometers of Analytical Instrumentation

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The correct answer is (d) 5-50 µA

For explanation: In Auger spectroscopy, beam currents are typically 5-50 µA in a beam of diameter 0.5mm. Auger and X-ray emission are competitive processes.

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