Abstract

X-ray and neutron reflectivity of thin gold films (few hundred A) deposited on float glass has been measured. The X-ray reflectivity measurement has been done using Cu Kα radiation of 1.54 A. Neutron reflectivity measurements have been done with 4.06 A cold neutrons at Dhruva reactor, Trombay, India. The film thickness, density and root mean square roughness have been estimated by fitting the data, using dynamical theory of reflection for generating X-ray and neutron reflectivity profiles. Results of both the experiments compare well.

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