Optical constants of thick Ti and Mn films in the spectral region from 6 to 20 eV

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Abstract
Studies of the optical properties of thick Ti and Mn films have been made in the spectral region from 6 to 20 eV. The films were prepared in situ at a pressure of 10−9 Torr. The optical constants were derived from reflectance measurements performed at five angles of incidence, using an iterative procedure. Results for Ti indicate the presence of an interband transition near 8.3 eV, a surface plasmon at 11.8 eV, and a volume plasmon at 15.7 eV. For Mn, a surface plasmon and a volume plasmon are located, respectively, at 10 and 20 eV. Comparisons with existing data are made.