1953Proceedings of the Physical Society Section BOpen access

The Origin of Secondary Emission Electrons

A. Łempicki

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Abstract

A secondary electron multiplier valve is used to determine the energy necessary to liberate secondary electrons from emitting surfaces. It is found that in the case of BaO and MgO secondary electrons originate from the valence band and not from impurity centres.

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A secondary electron multiplier valve is used to determine the energy necessary to liberate secondary electrons from emitting surfaces. It is found that in the case of BaO and MgO secondary electrons originate from the valence band and not from impurity centres.

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A secondary electron multiplier valve is used to determine the energy necessary to liberate secondary electrons from emitting surfaces. It is found that in the case of BaO and MgO secondary electrons originate from the valence band and not from impurity centres.

Key concepts: Electron multiplier, Secondary emission, Electron, Secondary electrons, Impurity, Atomic physics, Valence electron, Valence band

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