Image current detection

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IUPAC RECOMMENDATIONS 2013
Image current detection
Method of ion detection by measuring the current that results from the image charge induced by a coherent motion of ions passing near a conductor.
Note: In Fourier transform mass spectrometers or Kingdon traps, the coherent orbital motion of ions between a pair of electrodes induces a radio frequency image charge in the electrodes and an alternating image current in the detection circuit connecting to the electrodes.
Related Term(s):
Reference(s):

M. B. Comisarow. J. Chem. Phys. 69, 4097 (1978). (http://dx.doi.org/10.1063/1.437143 )

S. D. Fuerstenau, W. H. Benner. Rapid Commun. Mass Spectrom. 9, 1528 (1995). (http://dx.doi.org/10.1002/rcm.1290091513 )

From Definitions of Terms Relating to Mass Spectrometry (IUPAC Recommendations 2013); DOI: 10.1351/PAC-REC-06-04-06 © IUPAC 2013.

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