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Record link: 
http://hdl.handle.net/20.500.12708/170392
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Title: 
Ion-beam induced fcc-bcc transition in ultrathin Fe films for ferromagnetic patterning
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Citation: 
Rupp, W., Biedermann, A., Kamenik, B., Ritter, R., Klein, C., Platzgummer, E., Schmid, M., & Varga, P. (2008). Ion-beam induced fcc-bcc transition in ultrathin Fe films for ferromagnetic patterning. Applied Physics Letters, 93, 0631021–0631023. http://hdl.handle.net/20.500.12708/170392
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Publication Type: 
Article - Original Research Article
en
Authors: 
Rupp, Werner 
Biedermann, Albert 
Kamenik, Boris 
Ritter, Robert 
Klein, C. 
Platzgummer, E. 
Schmid, Michael 
Varga, Peter 
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Organisational Unit: 
E134-03 - Forschungsbereich Atomic and Plasma Physics 
E134-05 - Forschungsbereich Surface Physics 
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Journal: 
Applied Physics Letters 
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ISSN: 
0003-6951
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Date (published): 
2008
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Number of Pages: 
3
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Peer reviewed: 
Yes
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Abstract: 
Ar+ ion irradiation is used to induce a structural change from fcc to bcc in a 1.5 nm thick Fe film epitaxially grown on a Cu(100) crystal. Scanning tunneling microscopy and low-energy electron diffraction show the nucleation of bcc nanocrystals, which grow with increasing ion dose. As a consequence of the structural change, the irradiated iron film becomes strongly ferromagnetic at room temperature. We present a model for the process of the transformation and demonstrate writing a magnetic pattern at the 100 nm scale by ion-beam projection lithography. Corresponding author: A. Biedermann. Reprints also available from M. Schmid
en
Research Areas: 
Structure-Property Relationship: 40%
Surfaces and Interfaces: 60%
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Science Branch: 
Physik, Mechanik, Astronomie
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