Structural Characterization of a Short-Period Superlattice Based on the CdF2/CaF2/Si(111) Heterostructure by Transmission Electron Microscopy and X-Ray Diffractometry

A detailed study of the structure of a short-period superlattice based on alternating layers of cadmium and calcium fluorides grown by molecular beam epitaxy on a silicon substrate (111) by transmission electron microscopy and X-ray diffractometry has been performed. It has been established that the...

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Veröffentlicht in:Technical physics letters 2021-12, Vol.47 (12), p.893-896
Hauptverfasser: Sorokin, L. M., Kyutt, R. N., Ratnikov, V. V., Kalmykov, A. E.
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Kyutt, R. N.
Ratnikov, V. V.
Kalmykov, A. E.
description A detailed study of the structure of a short-period superlattice based on alternating layers of cadmium and calcium fluorides grown by molecular beam epitaxy on a silicon substrate (111) by transmission electron microscopy and X-ray diffractometry has been performed. It has been established that the superlattice is in a pseudomorphic state and a lateral inhomogeneity with a fragment size of 10–40 nm has been found. The reason for the broadening of the main and satellite peaks of the superlattice on the diffraction curve (111) has been elucidated.
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subjects Cadmium fluorides
Calcium fluoride
Classical and Continuum Physics
Diffraction
Electron microscopes
Epitaxial growth
Fluorides
Heterostructures
Inhomogeneity
Molecular beam epitaxy
Physics
Physics and Astronomy
Silicon substrates
Structural analysis
Superlattices
Transmission electron microscopy
title Structural Characterization of a Short-Period Superlattice Based on the CdF2/CaF2/Si(111) Heterostructure by Transmission Electron Microscopy and X-Ray Diffractometry
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