Journal
APPLIED PHYSICS LETTERS
Volume 83, Issue 25, Pages 5211-5213Publisher
AMER INST PHYSICS
DOI: 10.1063/1.1635966
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We have studied the growth of epitaxial La2Zr2O7 thin films on (111) Si. Although the interface structure can be strongly affected by the Si oxidation during the deposition process, epitaxial growth of La2Zr2O7 was obtained. A detailed study by means of transmission electron microscopy reveals two types of structures (pyrochlore and fluorite) with the same average chemical composition but strong differences in reactivity and interface formation. The structural complexity of the ordered pyrochlore structure seems to prevent excess oxygen diffusion and interfacial SiO2 formation. (C) 2003 American Institute of Physics.
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