Structural analysis of FeO(111)/Ag(001): undulation of hexagonal oxide monolayers due to square lattice metal substrates

Bruns D, Kiesel I, Jentsch S, Lindemann S, Otte C, Schemme T, Kuschel T, Wollschläger J (2014)
Journal of Physics: Condensed Matter 26(31): 315001.

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Zeitschriftenaufsatz | Veröffentlicht | Englisch
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Abstract / Bemerkung
Iron oxide monolayers are grown on Ag(001) via reactive molecular beam epitaxy (metal deposition in oxygen atmosphere). The monolayer shows FeO stoichiometry as concluded from x-ray photoemission spectra. Both low energy electron diffraction as well as scanning tunneling microscopy demonstrate that the FeO layer has a quasi-hexagonal (111) structure although deposited on a surface with square symmetry. Compared to bulk values, the FeO(111) monolayer is unidirectionally expanded by 3.4% in <11-2> directions while bulk values are maintained in <1-10> directions. In <11-2> directions, this lattice mismatch between FeO(111) monolayer and Ag(001) causes a commensurate undulation of the FeO monolayer where 18 atomic rows of the FeO(111) monolayer match 17 atomic rows of the Ag(001) substrate. In <1-10> directions, however, the FeO(111) monolayer has an incommensurate structure.
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Journal of Physics: Condensed Matter
Band
26
Ausgabe
31
Art.-Nr.
315001
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Bruns D, Kiesel I, Jentsch S, et al. Structural analysis of FeO(111)/Ag(001): undulation of hexagonal oxide monolayers due to square lattice metal substrates. Journal of Physics: Condensed Matter. 2014;26(31): 315001.
Bruns, D., Kiesel, I., Jentsch, S., Lindemann, S., Otte, C., Schemme, T., Kuschel, T., et al. (2014). Structural analysis of FeO(111)/Ag(001): undulation of hexagonal oxide monolayers due to square lattice metal substrates. Journal of Physics: Condensed Matter, 26(31), 315001. doi:10.1088/0953-8984/26/31/315001
Bruns, D., Kiesel, I., Jentsch, S., Lindemann, S., Otte, C., Schemme, T., Kuschel, T., and Wollschläger, J. (2014). Structural analysis of FeO(111)/Ag(001): undulation of hexagonal oxide monolayers due to square lattice metal substrates. Journal of Physics: Condensed Matter 26:315001.
Bruns, D., et al., 2014. Structural analysis of FeO(111)/Ag(001): undulation of hexagonal oxide monolayers due to square lattice metal substrates. Journal of Physics: Condensed Matter, 26(31): 315001.
D. Bruns, et al., “Structural analysis of FeO(111)/Ag(001): undulation of hexagonal oxide monolayers due to square lattice metal substrates”, Journal of Physics: Condensed Matter, vol. 26, 2014, : 315001.
Bruns, D., Kiesel, I., Jentsch, S., Lindemann, S., Otte, C., Schemme, T., Kuschel, T., Wollschläger, J.: Structural analysis of FeO(111)/Ag(001): undulation of hexagonal oxide monolayers due to square lattice metal substrates. Journal of Physics: Condensed Matter. 26, : 315001 (2014).
Bruns, Daniel, Kiesel, Irena, Jentsch, Steffen, Lindemann, Sören, Otte, Christian, Schemme, Tobias, Kuschel, Timo, and Wollschläger, Joachim. “Structural analysis of FeO(111)/Ag(001): undulation of hexagonal oxide monolayers due to square lattice metal substrates”. Journal of Physics: Condensed Matter 26.31 (2014): 315001.
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2 Zitationen in Europe PMC

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On the Structure of Ultrathin FeO Films on Ag(111).
Lewandowski M, Pabisiak T, Michalak N, Miłosz Z, Babačić V, Wang Y, Hermanowicz M, Palotás K, Jurga S, Kiejna A., Nanomaterials (Basel) 8(10), 2018
PMID: 30322159
Tuning the Reactivity of Ultrathin Oxides: NO Adsorption on Monolayer FeO(111).
Merte LR, Heard CJ, Zhang F, Choi J, Shipilin M, Gustafson J, Weaver JF, Grönbeck H, Lundgren E., Angew Chem Int Ed Engl 55(32), 2016
PMID: 27346455

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