Diffusion in multilayer structures of metal-carbon superthin films

The effect of annealing on the X-ray optical characteristics of artificial multilayer structures of superthin films (1–3 nm thicknesses) composed of metal (chromium, iron, nickel, molybdenum, rhodium, tungsten, platinum and others) and carbon is studied. The diffusion kinetics in multilayers is dete...

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Bibliographic Details
Published in:Thin solid films 1992-01, Vol.207 (1), p.19-23
Main Authors: Akhsakhalyan, A.D., Fraerman, A.A., Platonov, Yu.Ya, Polushkin, N.I., Salashchenko, N.N.
Format: Article
Language:English
Subjects:
Applied sciences
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Metals. Metallurgy
Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation
Optical properties of specific thin films
Physics
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Summary:The effect of annealing on the X-ray optical characteristics of artificial multilayer structures of superthin films (1–3 nm thicknesses) composed of metal (chromium, iron, nickel, molybdenum, rhodium, tungsten, platinum and others) and carbon is studied. The diffusion kinetics in multilayers is determined by analysing the variations in angular spectra of reflected “hard” (λ≈0.1 nm) and soft (λ≈1–10 nm) X-rays. It is shown experimentally that, for all investigated metallic materials, there is an annealing temperature range in which the X-ray reflectivity increases. The observed effect is explained by the carbon atom displacement into the metal region through the interface.
ISSN:0040-6090
1879-2731
DOI:10.1016/0040-6090(92)90094-R