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Active participation of “inert” YSZ substrates on interface formation in Fe<sub>3</sub> O<sub>4</sub> /YSZ heterostructures

Active participation of “inert” YSZ substrates on interface formation in Fe3 O4 /YSZ heterostructures

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HAMED, Mai Hussein, David N. MUELLER, Martina MÜLLER, 2021. Active participation of “inert” YSZ substrates on interface formation in Fe3 O4 /YSZ heterostructures. In: Applied Surface Science Advances. Elsevier. 6, 100132. eISSN 2666-5239. Available under: doi: 10.1016/j.apsadv.2021.100132

@article{Hamed2021Activ-57397, title={Active participation of “inert” YSZ substrates on interface formation in Fe3 O4 /YSZ heterostructures}, year={2021}, doi={10.1016/j.apsadv.2021.100132}, volume={6}, journal={Applied Surface Science Advances}, author={Hamed, Mai Hussein and Mueller, David N. and Müller, Martina}, note={Article Number: 100132} }

Müller, Martina 2022-05-03T07:52:29Z Müller, Martina The bulk and emerging interface properties of magnetite Fe<sub>3</sub>O<sub>4</sub> /YSZ(001) heterostructures grown by pulsed laser deposition are investigated. Fe<sub>3</sub>O<sub>4</sub> thin films (4–38 nm) grow epitaxially in (111) orientation and undergo a Verwey transition at max. = 1170.6K. Surprisingly, the formation of interfacial Fe<sub>2</sub>O<sub>3</sub> phase is observed albeit the quasi-inert properties of yttrium-stabilized zirconia (YSZ). Possible mechanisms include either (i) thermodynamically induced interfacial redox reaction at the YSZ substrate surfaces or (ii) oxygen diffusion from the outside atmosphere, as YSZ is a very good oxygen ion conductor. Hence, substrate-assisted oxygen supply may enable the control of emerging interface functionalities. 2021 Active participation of “inert” YSZ substrates on interface formation in Fe<sub>3</sub> O<sub>4</sub> /YSZ heterostructures eng Hamed, Mai Hussein Mueller, David N. Mueller, David N. 2022-05-03T07:52:29Z Hamed, Mai Hussein Attribution-NonCommercial-NoDerivatives 4.0 International

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