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Adv Mater. 2014 Jan 15;26(2):258-62. doi: 10.1002/adma.201303483. Epub 2013 Oct 24.

Layer selective control of the lattice structure in oxide superlattices.

Author information

1
Max-Planck-Institut für Festkörperforschung, Heisenbergstr. 1, D-70569, Stuttgart, Germany; Helmholtz-Zentrum Berlin für Materialien und Energie, Wilhelm-Conrad-Röntgen-Campus BESSY II, Albert-Einstein-Str. 15, D-12489, Berlin, Germany.

Abstract

A combined synchrotron X-ray diffraction and transmission electron microscopy study reveals a structural phase transition controlled by the overall thickness of epitaxial nickelate-aluminate superlattices. The transition between uniform and twin-domain states is confined to the nickelate layers and leaves the aluminate layers unaffected.

KEYWORDS:

X-ray diffraction; crystal structure; nickelates; superlattices; transition-metal-oxide heterostructures

PMID:
24155253
DOI:
10.1002/adma.201303483
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