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| Naji, M. |
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| Petrov, R. H. | Madrid |
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Wollschläger, Joachim
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Topics
Publications (25/25 displayed)
- 2023Real-Time Monitoring of Strain Accumulation and Relief during Epitaxy of Ultrathin Co Ferrite Films with Varied Co Content
- 2022Real-Time Monitoring the Growth of Epitaxial CoxFe3−xO4 Ultrathin Films on Nb-Doped SrTiO3(001) via Reactive Molecular Beam Epitaxy by Means of Operando HAXPES
- 2022Influence of Oxygen Plasma on the Growth and Stability of Epitaxial NiCo2O4 Ultrathin Films on Various Substrates
- 2021Quantitative comparison of the magnetic proximity effect in Pt detected by XRMR and XMCDcitations
- 2021Quantitative comparison of the magnetic proximity effect in Pt detected by XRMR and XMCDcitations
- 2021Cationic Ordering and Its Influence on the Magnetic Properties of Co-Rich Cobalt Ferrite Thin Films Prepared by Reactive Solid Phase Epitaxy on Nb-Doped SrTiO3(001)citations
- 2021Magnetoelectric Response of Laminated Cantilevers Comprising a Magnetoactive Elastomer and a Piezoelectric Polymer, in Pulsed Uniform Magnetic Fieldscitations
- 2019Quadratic magneto-optic Kerr effect spectroscopy of Fe epitaxial films on MgO(001) substratescitations
- 2018Quadratic magnetooptic spectroscopy setup based on photoelastic light modulationcitations
- 2018Formation routes and structural details of the CaF1 layer on Si(111) from high-resolution noncontact atomic force microscopy datacitations
- 2017Electro-oxidation of a cobalt based steel in LiOH: a non-noble metal based electro-catalyst suitable for durable water-splitting in an acidic milieucitations
- 2017Quantitative Disentanglement of the Spin Seebeck, Proximity-Induced, and Ferromagnetic-Induced Anomalous Nernst Effect in Normal-Metal–Ferromagnet Bilayerscitations
- 2016Electro-oxidation of Ni42 steel: A highly active bifunctional electrocatalystcitations
- 2016Electro‐Oxidation of Ni42 Steel: A Highly Active Bifunctional Electrocatalystcitations
- 2015Magnetic anisotropy related to strain and thickness of ultrathin iron oxide films on MgO(001)citations
- 2015Frontiers in Neuroscience / Tunnel junction based memristors as artificial synapsescitations
- 2015Modifying magnetic properties of ultra-thin magnetite films by growth on Fe pre-covered MgO(001)citations
- 2015Stainless steel made to rust: a robust water-splitting catalyst with benchmark characteristicscitations
- 2015Tunnel junction based memristors as artificial synapsescitations
- 2014Ultrathin, epitaxial cerium dioxide on siliconcitations
- 2012X-ray diffraction study on size effects in epitaxial magnetite thin films on MgO(0 0 1)citations
- 2011In-situ x-ray diffraction studies on post-deposition vacuum-annealing of ultra-thin iron oxide filmscitations
- 2010Improved epitaxy of ultrathin praseodymia films on chlorine passivated Si(111) reducing silicate interface formationcitations
- 2009Defect structure of Ge(111)/cubic Pr2O3(111)/Si(111) heterostructures: Thickness and annealing dependencecitations
- 2009Postdeposition annealing induced transition from hexagonal Pr2O3 to cubic PrO2 films on Si(111)citations
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article
In-situ x-ray diffraction studies on post-deposition vacuum-annealing of ultra-thin iron oxide films
Abstract
<jats:p>A maghemite (γ-Fe2O3) film of 8.3 nm thickness is epitaxially grown on MgO(001) single crystal substrate by reactive molecular beam epitaxy. Chemical composition and crystal structure of the surface was studied by x-ray photoelectron spectroscopy and low energy electron diffraction, respectively. Afterwards the sample was moved to a heating cell for in situ x-ray diffraction experiments on the post-deposition annealing process in high-vacuum to study structural phase transitions of the iron oxide film. The iron oxide film is reduced with increasing temperature. This reduction occurs in two steps that are accompanied by structural transitions. The first step is a reduction from γ-Fe2O3 to Fe3O4 at 360 °C and the second step is the reduction from Fe3O4 to FeO at 410 °C.</jats:p>