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001     1007709
005     20250129094335.0
024 7 _ |a 2128/34470
|2 Handle
037 _ _ |a FZJ-2023-02175
041 _ _ |a English
100 1 _ |a Tober, Steffen
|0 P:(DE-Juel1)191430
|b 0
|u fzj
111 2 _ |a DPG-Frühjahrstagung der Sektion Kondensierte Materie (SKM)
|c Dresden
|d 2023-03-26 - 2023-03-31
|w Germany
245 _ _ |a Magnetite (Fe3−𝛿O4) homoepitaxy observed by X-ray intensity growth oscillations
260 _ _ |c 2023
336 7 _ |a Conference Paper
|0 33
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336 7 _ |a Other
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336 7 _ |a INPROCEEDINGS
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520 _ _ |a Processes on the Fe3−𝛿O4 (001) surface like oxidative regrowth, (partial)lifting of the subsurface cation vacancy reconstruction and theelement-specific incorporation of adatoms demonstrate the sensitiverelation of oxygen pressure, cation transport and structure in the nearsurfaceregion of Fe3−𝛿O4 influencing the performance of catalysts anddevices [1,2,3]. We exemplarily studied the homoepitaxial growth ofFe3−𝛿O4 (001) in dependence of the O2 pressure and iron flux. Xrayintensity growth oscillations proved ordered growth of Fe3−𝛿O4for all probed conditions while atomic force microscopy revealed newlyformed micrometre-sized surface structures exceeding the amount ofdeposited material [4]. Our results indicate the presence of multipleparallel processes during reactive Fe3−𝛿O4 homoepitaxy suggestingsimilar processes to occur also in other applications of Fe3−𝛿O4.[1] Nie et al., J. Am. Chem. Soc. 135, 10091 (2013), [2] Arndt, B. etal. PCCP 22, 8336 (2020), [3] Mirabella et al., Electrochimica Acta,389, 138638 (2021), [4] van der Vegt et al., Phys. Rev. Lett. 68, 3335(1992)
536 _ _ |a 632 - Materials – Quantum, Complex and Functional Materials (POF4-632)
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700 1 _ |a Creutzburg, Marcus
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700 1 _ |a Arndt, Björn
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700 1 _ |a Chung, Simon
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700 1 _ |a Jacobse, Leon
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700 1 _ |a Jeromin, Arno
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700 1 _ |a Vonk, Vedran
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700 1 _ |a Stierle, Andreas
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856 4 _ |u https://juser.fz-juelich.de/record/1007709/files/contribution_homoepitaxy_ST.pdf
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910 1 _ |a Forschungszentrum Jülich
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914 1 _ |y 2023
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