Co2FeSi Based Magnetic Tunnel Junctions With BaO Barrier

Rogge J, Hedwig P, Sterwerf C, Hütten A (2012)
IEEE Transactions On Magnetics 48(11): 3825-3828.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Abstract / Bemerkung
BaO has been introduced as a novel tunnel barrier material in magnetic tunnel junctions (MTJs). Due to the good agreement regarding lattice constants and crystal structure, we believe BaO to be particularly suitable as barrier in MTJs containing Heusler compound electrodes. Co-2 FeSi/BaO/FeMTJs have been fabricated by molecular beam epitaxy (MBE) and investigated in terms of microstructure, transport properties and tunnel magneto resistance (TMR). A TMR amplitude as high as 104% at room temperature (RT) has been achieved for very small bias voltages (V-Bias) and a strong dependence on V-Bias could be observed as the TMR ratio decreases with increasing V-Bias to about 14% at V-Bias = 10 mV.
Stichworte
thin films; tunneling; magnetoresistance; molecular beam epitaxy (MBE); (MTJ); magnetic tunnel junction; magnetic films; Barium oxide; Heusler compound
Erscheinungsjahr
2012
Zeitschriftentitel
IEEE Transactions On Magnetics
Band
48
Ausgabe
11
Seite(n)
3825-3828
ISSN
0018-9464
eISSN
1941-0069
Page URI
https://pub.uni-bielefeld.de/record/2548553

Zitieren

Rogge J, Hedwig P, Sterwerf C, Hütten A. Co2FeSi Based Magnetic Tunnel Junctions With BaO Barrier. IEEE Transactions On Magnetics. 2012;48(11):3825-3828.
Rogge, J., Hedwig, P., Sterwerf, C., & Hütten, A. (2012). Co2FeSi Based Magnetic Tunnel Junctions With BaO Barrier. IEEE Transactions On Magnetics, 48(11), 3825-3828. doi:10.1109/TMAG.2012.2197373
Rogge, J., Hedwig, P., Sterwerf, C., and Hütten, A. (2012). Co2FeSi Based Magnetic Tunnel Junctions With BaO Barrier. IEEE Transactions On Magnetics 48, 3825-3828.
Rogge, J., et al., 2012. Co2FeSi Based Magnetic Tunnel Junctions With BaO Barrier. IEEE Transactions On Magnetics, 48(11), p 3825-3828.
J. Rogge, et al., “Co2FeSi Based Magnetic Tunnel Junctions With BaO Barrier”, IEEE Transactions On Magnetics, vol. 48, 2012, pp. 3825-3828.
Rogge, J., Hedwig, P., Sterwerf, C., Hütten, A.: Co2FeSi Based Magnetic Tunnel Junctions With BaO Barrier. IEEE Transactions On Magnetics. 48, 3825-3828 (2012).
Rogge, Jan, Hedwig, Peter, Sterwerf, Christian, and Hütten, Andreas. “Co2FeSi Based Magnetic Tunnel Junctions With BaO Barrier”. IEEE Transactions On Magnetics 48.11 (2012): 3825-3828.