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DETERMINATION OF THE FIRST IONIZATION POTENTIALS OF ATOMS BY THE SURFACE IONIZATION TECHNIQUE

N.I. Ionov, Mittsev

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Abstract

Results of a study of the surface ionization of atoms of the rare earth metals Er, Tb and Ce and also of the molecule ThCl/sub 4/ on polycrystalline tungsten are presented. It is shown that the temperatare dependence of the ion currents agrees with formulas for surface ionization on composite surfaces. The ionization potentials of the Er, Tb, Ce and Th atoms have been found by comparing these dependences with that for the In positive ion current. (auth)

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Results of a study of the surface ionization of atoms of the rare earth metals Er, Tb and Ce and also of the molecule ThCl/sub 4/ on polycrystalline tungsten are presented. It is shown that the temperatare dependence of the ion currents agrees with formulas for surface ionization on composite surfaces. The ionization potentials of the Er, Tb, Ce and Th atoms have been found by comparing these dependences with that for the In positive ion current. (auth)

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Available abstract

Results of a study of the surface ionization of atoms of the rare earth metals Er, Tb and Ce and also of the molecule ThCl/sub 4/ on polycrystalline tungsten are presented. It is shown that the temperatare dependence of the ion currents agrees with formulas for surface ionization on composite surfaces. The ionization potentials of the Er, Tb, Ce and Th atoms have been found by comparing these dependences with that for the In positive ion current. (auth)

Key concepts: Ionization, Thermal ionization, Tungsten, Atomic physics, Molar ionization energies of the elements, Ion, Ionization energy, Chemistry

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DETERMINATION OF THE FIRST IONIZATION POTENTIALS OF ATOMS BY THE SURFACE IONIZATION TECHNIQUE — Research Paper | ScholarLens