Abstract

A high resolution electrostatic spectrometer and associated Helium resonance radiation lamp has been constructed which is particularly suitable for the determination of the energy-angular distribution of photoelectrons from solid surfaces. The relative intensity of 304/581 Å radiation from the lamp has been estimated by an indirect method to be 25 per cent under optimum conditions. The transmission efficiency of the system when operating in the constant energy mode of analysis has been determined and the operation of the spectrometer illustrated with reference to a study of photoemission from the conduction band of gold.

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