Real-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

Real-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

In this work, we present a comprehensive study on real-time monitoring the growth of epitaxial CoxFe3−xO4 thin films grown on SrTiO3(001) substrates via reactive molecular beam epitaxy. The growth process was monitored during evaporation by means of time resolved operando hard X-ray photoelectron sp...

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Veröffentlicht in:Materials 2022-03, Vol.15 (7), p.2377
Hauptverfasser: Ruwisch, Kevin, Pohlmann, Tobias, Bertram, Florian, Schlüter, Christoph, Gloskovskii, Andrei, Küpper, Karsten, Wollschläger, Joachim
Format: Artikel
Sprache:eng
Schlagworte:
Cobalt ferrites
Epitaxial growth
Molecular beam epitaxy
Monitoring
Niobium
Photoelectrons
Radiation
Real time
Satellites
Spectrum analysis
Strontium titanates
Substrates
Thin films
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Beschreibung
Zusammenfassung:In this work, we present a comprehensive study on real-time monitoring the growth of epitaxial CoxFe3−xO4 thin films grown on SrTiO3(001) substrates via reactive molecular beam epitaxy. The growth process was monitored during evaporation by means of time resolved operando hard X-ray photoelectron spectroscopy (HAXPES). We prepared ultrathin ferrite films using different oxygen partial pressures, showing pure metallic, light oxidic, and cobalt ferrite-like growth. Additional X-ray diffraction measurements confirm HAXPES results.
ISSN:1996-1944
1996-1944
DOI:10.3390/ma15072377