Abstract
Ni-platelets grown by chemical vapour deposition were used to investigate surface reflectivity at angles of incidence between 15° and 55°. From these measurements, the indices of refraction ( n) and absorption ( k), the magneto-optic amplitude ( Q 0) and phase ( q), and the magneto-optic conductivity ( σ 1) were determined for wavelengths between 400 and 800 nm. The indices n and k determined at the clean, defect-free, and non-oxydized single crystal surface are lower than current values in the literature. The complex magneto-optic conductivity calculated from the experimental data, agrees qualitatively with Argyres' theory of spin-orbit interaction.
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