Tunneling magneto thermocurrent in CoFeB/MgO/CoFeB based magnetic tunnel junctions
Liebing N, Serrano-Guisan S, Krzysteczko P, Rott K, Reiss G, Langer J, Ocker B, Schumacher HW (2013)
Applied Physics Letters 102(24): 242413.
Zeitschriftenaufsatz
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Autor*in
Liebing, N.;
Serrano-Guisan, S.;
Krzysteczko, P.;
Rott, KarstenUniBi;
Reiss, GünterUniBi 
;
Langer, J.;
Ocker, B.;
Schumacher, H. W.
;
Langer, J.;
Ocker, B.;
Schumacher, H. W.Abstract / Bemerkung
We study the tunneling magneto thermopower and tunneling magneto thermocurrent of CoFeB/MgO/CoFeB magnetic tunnel junctions (MTJ). The devices show a clear change of the thermoelectric properties upon reversal of the magnetisation of the CoFeB layers from parallel to the antiparallel orientation. When switching from parallel to antiparallel the thermopower increases by up to 55% whereas the thermocurrent drops by 45%. These observations can be well explained by the Onsager relations taking into account the tunneling magneto resistance of the MTJ. These findings contrast previous studies on Al2O3 based MTJ systems, revealing tunneling magneto thermo power but no tunneling magneto thermocurrent. (C) 2013 AIP Publishing LLC.
Erscheinungsjahr
2013
Zeitschriftentitel
Applied Physics Letters
Band
102
Ausgabe
24
Art.-Nr.
242413
ISSN
0003-6951
eISSN
1077-3118
Page URI
https://pub.uni-bielefeld.de/record/2622339
Zitieren
Liebing N, Serrano-Guisan S, Krzysteczko P, et al. Tunneling magneto thermocurrent in CoFeB/MgO/CoFeB based magnetic tunnel junctions. Applied Physics Letters. 2013;102(24): 242413.
Liebing, N., Serrano-Guisan, S., Krzysteczko, P., Rott, K., Reiss, G., Langer, J., Ocker, B., et al. (2013). Tunneling magneto thermocurrent in CoFeB/MgO/CoFeB based magnetic tunnel junctions. Applied Physics Letters, 102(24), 242413. doi:10.1063/1.4811737
Liebing, N., Serrano-Guisan, S., Krzysteczko, P., Rott, Karsten, Reiss, Günter, Langer, J., Ocker, B., and Schumacher, H. W. 2013. “Tunneling magneto thermocurrent in CoFeB/MgO/CoFeB based magnetic tunnel junctions”. Applied Physics Letters 102 (24): 242413.
Liebing, N., Serrano-Guisan, S., Krzysteczko, P., Rott, K., Reiss, G., Langer, J., Ocker, B., and Schumacher, H. W. (2013). Tunneling magneto thermocurrent in CoFeB/MgO/CoFeB based magnetic tunnel junctions. Applied Physics Letters 102:242413.
Liebing, N., et al., 2013. Tunneling magneto thermocurrent in CoFeB/MgO/CoFeB based magnetic tunnel junctions. Applied Physics Letters, 102(24): 242413.
N. Liebing, et al., “Tunneling magneto thermocurrent in CoFeB/MgO/CoFeB based magnetic tunnel junctions”, Applied Physics Letters, vol. 102, 2013, : 242413.
Liebing, N., Serrano-Guisan, S., Krzysteczko, P., Rott, K., Reiss, G., Langer, J., Ocker, B., Schumacher, H.W.: Tunneling magneto thermocurrent in CoFeB/MgO/CoFeB based magnetic tunnel junctions. Applied Physics Letters. 102, : 242413 (2013).
Liebing, N., Serrano-Guisan, S., Krzysteczko, P., Rott, Karsten, Reiss, Günter, Langer, J., Ocker, B., and Schumacher, H. W. “Tunneling magneto thermocurrent in CoFeB/MgO/CoFeB based magnetic tunnel junctions”. Applied Physics Letters 102.24 (2013): 242413.
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