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Polarisation screening mechanisms at La0.7Sr0.3MnO3-PbTiO3 interfaces

Peters, Jonathan J. P., Bristowe, Nicholas C., Rusu, Dorin, Apachitei, Geanina, Beanland, Richard, Alexe, Marin, Sanchez, Ana M. (2020) Polarisation screening mechanisms at La0.7Sr0.3MnO3-PbTiO3 interfaces. ACS Applied Materials & Interfaces, 12 (9). pp. 10657-10663. ISSN 1944-8244. E-ISSN 1944-8252. (doi:10.1021/acsami.9b21619) (KAR id:80020)

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The structural, electronic and magnetic properties of interfaces between epitaxial La0.7Sr0.3MnO3 and PbTiO3 have been explored via atomic resolution transmission electron microscopy of a functional multiferroic tunnel junction. Measurements of the polar displacements and octahedral tilting show the competition between the two distortions at the interface, and demonstrate a strong dependence on the polarisation orientation. Density functional theory provides information on the electronic and magnetic properties, where the interface termination plays a crucial role in the screening mechanisms.

Item Type: Article
DOI/Identification number: 10.1021/acsami.9b21619
Uncontrolled keywords: Materials for Energy and Electronics
Divisions: Divisions > Division of Natural Sciences > School of Physical Sciences
Depositing User: Nicholas Bristowe
Date Deposited: 11 Feb 2020 09:03 UTC
Last Modified: 16 Feb 2021 14:11 UTC
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