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Optical properties of ultra-thin niobium nitride films for single photon detectors
(Massachusetts Institute of Technology, 2017)
In this thesis I made a study of the properties of reactively sputtered ultra-thin films of niobium nitride (NbN) and niobium titanium nitride (NbTiN). Using Variable Angle Spectral Ellipsometry (VASE), I found that the ...