Initialization of unidirectional anisotropy in a ferromagnet-antiferromagnet bilayer by keV-He ion bombardment

Engel D, Ehresmann A, Schmalhorst J-M, Sacher M, Hoink V, Reiss G (2005)
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 293(3): 849-853.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Abstract / Bemerkung
A polycrystalline Cu/Ni80Fe20/Mn83Ir17/CO/AlOx ferrornagnet-antiferromagnet layer system grown without applying an external magnetic field shows no unidirectional anisotropy in the as-prepared state. After 10keV-He ion bombardment in an external in-plane magnetic field, a clear unidirectional anisotropy collinear to the magnetic field direction during, bombardment is observed, indicating that ion bombardment can be used for this system to initialize the unidirectional exchange anisotropy. The magnetization reversal processes for various ion doses are discussed, based on longitudinal magnetooptical Kerr-effect measurements. © 5004 Elsevier B.V. All rights reserved.
Stichworte
ion bombardment; exchange bias
Erscheinungsjahr
2005
Zeitschriftentitel
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
Band
293
Ausgabe
3
Seite(n)
849-853
ISSN
0304-8853
Page URI
https://pub.uni-bielefeld.de/record/1603536

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Engel D, Ehresmann A, Schmalhorst J-M, Sacher M, Hoink V, Reiss G. Initialization of unidirectional anisotropy in a ferromagnet-antiferromagnet bilayer by keV-He ion bombardment. JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS. 2005;293(3):849-853.
Engel, D., Ehresmann, A., Schmalhorst, J. - M., Sacher, M., Hoink, V., & Reiss, G. (2005). Initialization of unidirectional anisotropy in a ferromagnet-antiferromagnet bilayer by keV-He ion bombardment. JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 293(3), 849-853. doi:10.1016/j.jmmm.2004.12.003
Engel, D., Ehresmann, A., Schmalhorst, J. - M., Sacher, M., Hoink, V., and Reiss, G. (2005). Initialization of unidirectional anisotropy in a ferromagnet-antiferromagnet bilayer by keV-He ion bombardment. JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 293, 849-853.
Engel, D., et al., 2005. Initialization of unidirectional anisotropy in a ferromagnet-antiferromagnet bilayer by keV-He ion bombardment. JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 293(3), p 849-853.
D. Engel, et al., “Initialization of unidirectional anisotropy in a ferromagnet-antiferromagnet bilayer by keV-He ion bombardment”, JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, vol. 293, 2005, pp. 849-853.
Engel, D., Ehresmann, A., Schmalhorst, J.-M., Sacher, M., Hoink, V., Reiss, G.: Initialization of unidirectional anisotropy in a ferromagnet-antiferromagnet bilayer by keV-He ion bombardment. JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS. 293, 849-853 (2005).
Engel, D, Ehresmann, A, Schmalhorst, Jan-Michael, Sacher, Marc, Hoink, V, and Reiss, Günter. “Initialization of unidirectional anisotropy in a ferromagnet-antiferromagnet bilayer by keV-He ion bombardment”. JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 293.3 (2005): 849-853.