Effect of space charge on the ion mobility spectrum with two close lines
作者： M. N. Levin , A. V. Krisilov , B. A. Zon
DOI: 10.1134/S1990793114110207
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摘要: In ion mobility spectrometers, space-charge field has a significant effect on the diffusion and drift of ions, if initial density is higher than 106 cm−3. Owing to this effect, distribution in time space cannot be described by Gaussian curve any longer. These non-Gaussian distributions change shape spectra not only quantitatively, but also qualitatively, which can lead misinterpretation spectra.
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