Abstract

A novel coaxial electrostatic lens is employed to focus low-energy electrons through a thin-film low-energy electron-spin polarization analyzer. The coaxial lens consists of an axial electrode suspended through a cylinder or an aperture. Electron transmission is measured as a function of the voltage applied to the central and outer conductors. Surface magnetic hysteresis loops are obtained by plotting the spin polarization of secondary electrons emitted from a ferromagnetic surface as a function of the applied magnetic field.

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