Optical constants of Sr films
Sr film optical constants were obtained in situ in the 6–1220 eV range from transmittance measurements performed at room temperature. Strontium films were deposited onto 5nm thick carbon films supported on different grids. The refractive index n was obtained with KK analysis over an extended spectral range.
L. Rodriguez et al., J. Appl. Phys. 113533-1-7 (2012).
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The optical constants n and k of strontium (Sr) films were obtained in situ in the UV-soft x-rays spectral range. Strontium films were deposited onto 5nm thick carbon films supported on a Ni grid. The extinction coefficient was obtained from transmittance measurements performed at room temperature; the refractive index n was obtained with KK analysis over an extended spectral range. Experimental data show that Sr is a promising candidate for transmittance filters and reflective multilayers in the EUV range. Good consistency of data resulted from the application of f and inertial sum rules. |
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Transmittance and optical constants of Sr films in the 6-1220 eV spectral range, |
