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Applied Physics Letters
Multilayer coatings consisting of very smooth ReW and carbon films used as near-normal-incidence reflectors show theoretical performance in the 150-200-Å wavelength region and should allow the fabrication of useful normal-incidence mirrors for wavelengths as short as 50 Å.
Eberhard Spiller, Janusz Wilczynski, et al.
Applied Physics Letters
Eberhard Spiller
Nuclear Inst. and Methods in Physics Research, A
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Journal of Applied Physics
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Physik der Kondensierten Materie