Structural and magnetic properties of Co-Mn-Sb thin films

Meinert M, Schmalhorst J-M, Ebke D, Liu N-N, Thomas A, Reiss G, Kanak J, Stobiecki T, Arenholz E (2010)
JOURNAL OF APPLIED PHYSICS 107(6): 063901.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Abstract / Bemerkung
Thin Co-Mn-Sb films of different compositions were investigated and utilized as electrodes in alumina based magnetic tunnel junctions with CoFe counterelectrode. The preparation conditions were optimized with respect to magnetic and structural properties. The Co-Mn-Sb/Al-O interface was analyzed by x-ray absorption spectroscopy and magnetic circular dichroism with particular focus on the element-specific magnetic moments. Co-Mn-Sb crystallizes in different complex cubic structures depending on its composition. The magnetic moments of Co and Mn are ferromagnetically coupled in all cases. A tunnel magnetoresistance ratio of up to 24% at 13 K was found and indicates that Co-Mn-Sb is not a ferromagnetic half-metal. These results are compared to recent works on the structure and predictions of the electronic properties.
Stichworte
crystal structure; interface magnetism; magnetic circular dichroism; magnetic moments; magnetic thin films; magnetic tunnelling; magnetoresistance; manganese compounds; X-ray; absorption spectra; alumina; cobalt compounds
Erscheinungsjahr
2010
Zeitschriftentitel
JOURNAL OF APPLIED PHYSICS
Band
107
Ausgabe
6
Seite(n)
063901
ISSN
0021-8979
Page URI
https://pub.uni-bielefeld.de/record/1796293

Zitieren

Meinert M, Schmalhorst J-M, Ebke D, et al. Structural and magnetic properties of Co-Mn-Sb thin films. JOURNAL OF APPLIED PHYSICS. 2010;107(6):063901.
Meinert, M., Schmalhorst, J. - M., Ebke, D., Liu, N. - N., Thomas, A., Reiss, G., Kanak, J., et al. (2010). Structural and magnetic properties of Co-Mn-Sb thin films. JOURNAL OF APPLIED PHYSICS, 107(6), 063901. doi:10.1063/1.3294643
Meinert, M., Schmalhorst, J. - M., Ebke, D., Liu, N. - N., Thomas, A., Reiss, G., Kanak, J., Stobiecki, T., and Arenholz, E. (2010). Structural and magnetic properties of Co-Mn-Sb thin films. JOURNAL OF APPLIED PHYSICS 107, 063901.
Meinert, M., et al., 2010. Structural and magnetic properties of Co-Mn-Sb thin films. JOURNAL OF APPLIED PHYSICS, 107(6), p 063901.
M. Meinert, et al., “Structural and magnetic properties of Co-Mn-Sb thin films”, JOURNAL OF APPLIED PHYSICS, vol. 107, 2010, pp. 063901.
Meinert, M., Schmalhorst, J.-M., Ebke, D., Liu, N.-N., Thomas, A., Reiss, G., Kanak, J., Stobiecki, T., Arenholz, E.: Structural and magnetic properties of Co-Mn-Sb thin films. JOURNAL OF APPLIED PHYSICS. 107, 063901 (2010).
Meinert, Markus, Schmalhorst, Jan-Michael, Ebke, Daniel, Liu, Ning-Ning, Thomas, Andy, Reiss, Günter, Kanak, Jaroslaw, Stobiecki, Tomasz, and Arenholz, Elke. “Structural and magnetic properties of Co-Mn-Sb thin films”. JOURNAL OF APPLIED PHYSICS 107.6 (2010): 063901.
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