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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Jooss, Christian
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Topics
Publications (12/12 displayed)
- 2024Relationship between structure and charge/orbital order in epitaxial single layer Ruddlesden–Popper manganite thin filmscitations
- 2024Scaling Behavior in the Spectral and Power Density Dependent Photovoltaic Response of Hot Polaronic Heterojunctions
- 2022Atomistic Insights into Activation and Degradation of La0.6Sr0.4CoO3-δElectrocatalysts under Oxygen Evolution Conditionscitations
- 2022Atomistic Insights into Activation and Degradation of La0.6Sr0.4CoO3−δ Electrocatalysts under Oxygen Evolution Conditionscitations
- 2021Phase Transitions in a Perovskite Thin Film Studied by Environmental In Situ Heating Nano‐Beam Electron Diffractioncitations
- 2021Tailoring c-axis orientation in epitaxial Ruddlesden-Popper Pr0.5Ca1.5MnO4 filmscitations
- 2020Probing the Surface of $La_{0.6}Sr_{0.4}MnO_{3}$ in Water Vapor by In Situ Photon-In / Photon-Out Spectroscopycitations
- 2020Room-Temperature Hot-Polaron Photovoltaics in the Charge-Ordered State of a Layered Perovskite Oxide Heterojunctioncitations
- 2019In Situ Preparation of Pr1-xCaxMnO3 and La1-xSrxMnO3 Catalysts Surface for High-Resolution Environmental Transmission Electron Microscopycitations
- 2019Peroxide Yield of the (001) La0.6Sr0.4MnO3 Surface as a Bifunctional Electrocatalyst for the Oxygen Reduction Reaction and Oxygen Evolution Reaction in Alkaline Mediacitations
- 2015Current-voltage characteristics of manganite-titanite perovskite junctionscitations
- 2015Strain Driven Phase Decomposition in Ion-Beam Sputtered Pr1−XCaXMnO3 Filmscitations
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article
Relationship between structure and charge/orbital order in epitaxial single layer Ruddlesden–Popper manganite thin films
Abstract
Ruddlesden–Popper manganites are strongly correlated, quasi two-dimensional systems with highly tunable functional properties, which can, for example, be controlled by composition, strain, and defects. Praseodymium calcium manganite is a particularly interesting Ruddlesden–Popper system due to its remarkably high temperature at which ordering phenomena set in, enabling correlation physics above room temperature. However, in order to utilize the correlation phenomena and the quasi-two-dimensionality of the Ruddlesden–Popper systems for applications, one needs to grow thin film junctions, making it necessary to control the structure–property relation of Ruddlesden–Popper thin films. Here, we present a cryogenic transmission electron microscopy study of praseodymium calcium manganite thin films, deposited on niobium doped strontium titanate substrates, where we analyze the structure of the manganite thin film, as well as the effect of the epitaxial strain and defects on the charge/orbital order of the system. We identify a structural phase transition above the onset of charge/orbital order, frequently occurring extended defects and the temperature dependence and spatial distribution of charge/orbital ordering in the film. Our results show in detail the relationships between strain/defects and properties of the ordered phases and thus give important insights into how to tailor the functional properties of thin film junctions of strongly correlated materials. ; Deutsche Forschungsgemeinschaft http://dx.doi.org/10.13039/501100001659 ; Open-Access-Publikationsfonds 2024