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Thermal and irradiation induced interdiffusion in magnetite thin films grown on magnesium oxide (001) substrates

Kim-Ngan, N.-T. H. ; Balogh, Adam G. ; Meyer, J. D. ; Brötz, Joachim ; Zając, M. ; Ślęzak, T. ; Korecki, J. (2009)
Thermal and irradiation induced interdiffusion in magnetite thin films grown on magnesium oxide (001) substrates.
In: Surface Science, 603 (9)
doi: 10.1016/j.susc.2009.02.028
Article, Bibliographie

Abstract

Epitaxial Fe3O4(0 0 1) thin films (with a thickness in the range of 10–20 nm) grown on MgO substrates were characterized using low-energy electron diffraction (LEED), conversion electron Mössbauer spectroscopy (CEMS) and investigated using Rutherford backscattering spectrometry (RBS), channeling (RBS-C) experiments and X-ray reflectometry (XRR). The Mg out-diffusion from the MgO substrate into the film was observed for the directly-deposited Fe3O4/MgO(0 0 1) films. For the Fe3O4/Fe/MgO(0 0 1) films, the Mg diffusion was prevented by the Fe layer and the surface layer is always a pure Fe3O4 layer. Annealing and ion beam mixing induced a very large interface zone having a spinel and/or wustite formula in the Fe3O4-on-Fe film system.

Item Type: Article
Erschienen: 2009
Creators: Kim-Ngan, N.-T. H. ; Balogh, Adam G. ; Meyer, J. D. ; Brötz, Joachim ; Zając, M. ; Ślęzak, T. ; Korecki, J.
Type of entry: Bibliographie
Title: Thermal and irradiation induced interdiffusion in magnetite thin films grown on magnesium oxide (001) substrates
Language: English
Date: 1 May 2009
Publisher: Elsevier Science Publishing Company
Journal or Publication Title: Surface Science
Volume of the journal: 603
Issue Number: 9
DOI: 10.1016/j.susc.2009.02.028
Abstract:

Epitaxial Fe3O4(0 0 1) thin films (with a thickness in the range of 10–20 nm) grown on MgO substrates were characterized using low-energy electron diffraction (LEED), conversion electron Mössbauer spectroscopy (CEMS) and investigated using Rutherford backscattering spectrometry (RBS), channeling (RBS-C) experiments and X-ray reflectometry (XRR). The Mg out-diffusion from the MgO substrate into the film was observed for the directly-deposited Fe3O4/MgO(0 0 1) films. For the Fe3O4/Fe/MgO(0 0 1) films, the Mg diffusion was prevented by the Fe layer and the surface layer is always a pure Fe3O4 layer. Annealing and ion beam mixing induced a very large interface zone having a spinel and/or wustite formula in the Fe3O4-on-Fe film system.

Uncontrolled Keywords: RBS; Channeling; MBE; CEMS; X-ray reflectometry; Magnetite Fe3O4; Ion beam modification
Divisions: 11 Department of Materials and Earth Sciences > Material Science > Material Analytics
11 Department of Materials and Earth Sciences > Material Science > Structure Research
11 Department of Materials and Earth Sciences > Material Science
11 Department of Materials and Earth Sciences
Date Deposited: 10 Dec 2012 10:21
Last Modified: 25 Apr 2016 07:55
PPN:
Funders: The financial support from the International Bureau of BMBF (Project MOE 07/R61 between Germany and Poland) is highly acknowledged., A.G.B gratefully acknowledges the financial support by German Research Foundation (DFG) within the frame of the Center of Excellence SFB-595 project., N.-T.H.K.-N. greatly appreciates the financial support by the Ministry of Science and Higher Education through the statutory funds for the Faculty of Mathematics, Physics and Techniques, Pedagogical University, Kraków.
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