Low-Period Multilayer Ti/NixMoy Films with Variable Quasi-Homogeneous Structure for Neutron Reflectometry
Avdeev M.V. Gapon I.V. Merkel D. Yerdauletov M.S. Djanseitov D.M. Tropin T.V.
August 2023Pleiades Publishing
Journal of Surface Investigation
2023#17Issue 4886 - 891 pp.
Abstract: The results of testing multilayer Ti/NixMoy heterostructures with a low period of the sublayers are presented regarding the practical applicability of a quasi-homogeneous approach with varying effective scattering length density of thin (thickness <100 nm) films in experiments on specular neutron reflectometry with a changing interface. By changing the effective scattering-length density of the films, it is proposed to vary the contrast between the components of complex interfaces, thus increasing the sensitivity and information content of the in situ neutron experiment. Structures with different ratios of the NixMoy- and Ti-sublayer thicknesses are synthesized by magnetron sputtering. Based on analysis of the neutron specular reflectivity curves, a conclusion is made about the applicability of the homogeneous approximation.
in situ experiments , multilayer structures , neutron reflectometry , thin films
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Frank Laboratory of Neutron Physics, Joint Institute for Nuclear Research, Moscow region, Dubna, 141980, Russian Federation
Wigner Research Centre, Hungarian Academy of Sciences, Budapest, 1121, Hungary
Institute of Nuclear Physics, Ministry of Energy of the Republic of Kazakhstan, Almaty, 050032, Kazakhstan
Gumilev Eurasian National University, Astana, 010008, Kazakhstan
Frank Laboratory of Neutron Physics
Wigner Research Centre
Institute of Nuclear Physics
Gumilev Eurasian National University
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