Thermal ionization

Surface ionization effect in a vaporized cesium atom at 1500 K, calculated using a grand canonical ensemble. Y-axis: average number of electrons on the atom; the atom is neutral when it has 55 electrons. X-axis: energy variable (equal to the surface work function) dependent on electron chemical potential µ and electrostatic potential ϕ.

Thermal ionization, also known as surface ionization or contact ionization, is a physical process whereby the atoms are desorbed from a hot surface, and in the process are spontaneously ionized.

Thermal ionization is used to make simple ion sources, for mass spectrometry and for generating ion beams.

单词	Contact ionization
释义	Contact ionization 英语百科 Thermal ionization Thermal ionization, also known as surface ionization or contact ionization, is a physical process whereby the atoms are desorbed from a hot surface, and in the process are spontaneously ionized. Thermal ionization is used to make simple ion sources, for mass spectrometry and for generating ion beams.
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Contact ionization

Thermal ionization