Soft ionization mechanisms in flexible µ-tube plasma—elucidation of He-, Ar-, Kr-, and Xe-FµTP
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DOI: 10.1007/s00216-024-05419-1
Abstract: The soft ionization mechanism of helium-based plasma seems to be understood while it still remains challenging in argon-based plasma, although many studies have used argon plasmas as a soft ionization source with good ionization efficiencies.… read more here.
Keywords: soft ionization; ionization mechanisms; ionization; helium ... See more keywords
Dielectric Barrier Discharge Ionization Mechanisms: Polycyclic Aromatic Hydrocarbons as a Case of Study
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DOI: 10.1021/acs.analchem.2c03279
Abstract: Dielectric barrier discharge ionization (DBDI) is a versatile tool for small-molecule mass spectrometry applications, helping cover from polar to low polar molecules. However, the plasma gas-phase interactions are highly complex and have been scarcely investigated.… read more here.
Keywords: barrier discharge; ionization; discharge ionization; dielectric barrier ... See more keywords
Implications of an updated ultraviolet background for the ionization mechanisms of intervening Ne VIII absorbers
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DOI: 10.1093/mnras/stw3265
Abstract: Ne VIII absorbers seen in QSO spectra are useful tracers of warm ionized gas, when collisional ionization is the dominant ionization process. While photoionization by the ultraviolet background (UVB) is a viable option, it tends… read more here.
Keywords: viii; mechanisms intervening; ultraviolet background; viii absorbers ... See more keywords