AXIAL MAGNETIC INHOMOGENEITIES AND LOW-ENERGY ION INJECTION IN FOURIER-TRANSFORM ION-CYCLOTRON RESONANCE SPECTROMETRY
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Material choice in cell/lens construction is crucial for systems that must be used in strong magnetic fields. Magnetic inhomogeneltles generated by stray fields present near paramagnetic lenses can dramatically after the trajectories of low momentum ions. In this paper, low energy ion injection into a Fourier transform ion cyclotron resonance spectrometry cell is studied by using empirical and theoretical data for a twosection cell constructed of paramagnetic and diamagnetic materials. 1989, American Chemical Society. All rights reserved.