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Hybrid reflections from multiple x-ray scattering in epitaxial oxide films

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King_2017_APL_EpitaxialOxideFilms_FinalPubVersion.pdf (5.437Mb)
Date
29/09/2017
Author
Smith, Eva H.
King, Phil D. C.
Soukiassian, Arsen
Ast, Dieter G.
Schlom, Darrell G.
Keywords
QC Physics
Physics and Astronomy (miscellaneous)
NDAS
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Abstract
In numerous symmetric θ-2θ scans of phase-pure epitaxial complex oxide thin films grown on single-crystal substrates, we observe x-ray diffraction peaks that correspond to neither the film nor the substrate crystal structure. These peaks are the result of multiple, sequential diffraction events that occur from both the film and the substrate. The occurrence of so-called "hybrid" reflections, while described in the literature, is not widely reported within the complex oxide thin-film community. We describe a simple method to predict and identify peaks resulting from hybrid reflections and show examples from epitaxial complex oxide films belonging to three distinct structural types.
Citation
Smith , E H , King , P D C , Soukiassian , A , Ast , D G & Schlom , D G 2017 , ' Hybrid reflections from multiple x-ray scattering in epitaxial oxide films ' , Applied Physics Letters , vol. 111 , no. 13 , 131903 . https://doi.org/10.1063/1.4993477
Publication
Applied Physics Letters
Status
Peer reviewed
DOI
https://doi.org/10.1063/1.4993477
ISSN
0003-6951
Type
Journal article
Rights
© 2017 The Authors. Published by AIP Publishing. This work is made available online in accordance with the publisher’s policies. This is the final published version of the work, which was originally published at: https://doi.org/10.1063/1.4993477
Description
E.H.S. and D.G.S. acknowledge support by the National Science Foundation (NSF) MRSEC program (DMR-1420620).
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  • University of St Andrews Research
URI
http://hdl.handle.net/10023/16108

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