Reflection high-energy electron diffraction oscillations during epitaxial growth of high-temperature superconducting oxides

19 November 1990

journal article
research article
Published by American Physical Society (APS) in Physical Review Letters

Vol. 65 (21) , 2684-2687
https://doi.org/10.1103/physrevlett.65.2684

Abstract

Strong intensity oscillations have been found in reflection high-energy electron diffraction during epitaxial growth of

{BaTiO}_{3}

{La}_{2}

{CuO}_{4}

, and

{YBa}_{2}

{Cu}_{3}

O_{7 - x}

with perovskite-type structures. The oscillation period corresponds to the height of the minimum unit of each oxide that satisfies the chemical composition and electrical neutrality. The data provide a basic understanding of the epitaxial growth process of ionic oxides.

Keywords

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