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

Kim-Ngan, N.-T. H. and Balogh, Adam G. and Meyer, J. D. and Brötz, Joachim and Zając, M. and Ślęzak, T. and Korecki, J. :
Thermal and irradiation induced interdiffusion in magnetite thin films grown on magnesium oxide (001) substrates.
[Online-Edition: http://dx.doi.org/10.1016/j.susc.2009.02.028]
In: Surface Science, 603 (9) pp. 1175-1181. ISSN 00396028
[Article] , (2009)

Official URL: http://dx.doi.org/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.

Item Type: Article
Erschienen: 2009
Creators: Kim-Ngan, N.-T. H. and Balogh, Adam G. and Meyer, J. D. and Brötz, Joachim and Zając, M. and Ślęzak, T. and Korecki, J.
Title: Thermal and irradiation induced interdiffusion in magnetite thin films grown on magnesium oxide (001) substrates
Language: English
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.

Journal or Publication Title: Surface Science
Volume: 603
Number: 9
Publisher: Elsevier Science Publishing Company
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
Official URL: http://dx.doi.org/10.1016/j.susc.2009.02.028
Identification Number: doi:10.1016/j.susc.2009.02.028
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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