KOPS - The Institutional Repository of the University of Konstanz

Europium oxide : Growth guide for the first monolayers on oxidic substrates

Europium oxide : Growth guide for the first monolayers on oxidic substrates

Cite This

Files in this item

Files Size Format View

There are no files associated with this item.

ROSENBERGER, Paul, Martina MÜLLER, 2022. Europium oxide : Growth guide for the first monolayers on oxidic substrates. In: Physical Review Materials. American Physical Society. 6(4), 044404. eISSN 2475-9953. Available under: doi: 10.1103/PhysRevMaterials.6.044404

@article{Rosenberger2022Europ-57569, title={Europium oxide : Growth guide for the first monolayers on oxidic substrates}, year={2022}, doi={10.1103/PhysRevMaterials.6.044404}, number={4}, volume={6}, journal={Physical Review Materials}, author={Rosenberger, Paul and Müller, Martina}, note={Article Number: 044404} }

Interfacial oxygen exchange at oxide interfaces bears huge potential in stabilizing metastable or novel phases of functional oxides down to the monolayer limit. By taking advantage of active oxygen supply of the substrate material, waiving any external oxygen dosage, high-quality, crystalline ultrathin films of the Heisenberg ferromagnet europium monoxide (EuO) were stabilized on YSZ (001). This so-called redox-assisted growth mode (or, vice versa, the extreme case of a distillation growth) was monitored end to end by in situ x-ray photoelectron emission spectroscopy and electron diffraction techniques. The evolution of Eu 3d core levels allows us to disentangle the processes of interfacial oxygen diffusion and vacancy formation in stabilizing the very first monolayers of EuO on YSZ (001). An expedient background correction analysis is presented, which allows us to quantify the critical Eu<sup>3+</sup>/Eu<sup>2+</sup> ratio in the ultrathin film regime. We concluded on the key mechanisms of redox-assisted EuO/YSZ (001) thin film synthesis, which merge in a universal three-process growth model that may serve as guideline for redox-assisted synthesis of metastable low-dimensional oxides. Rosenberger, Paul eng Müller, Martina 2022-05-18T12:12:07Z 2022 2022-05-18T12:12:07Z Europium oxide : Growth guide for the first monolayers on oxidic substrates Müller, Martina Rosenberger, Paul

This item appears in the following Collection(s)

Search KOPS


Browse

My Account