Unusual angular dependence of tunneling magneto-Seebeck effect

Heiliger C, Czerner M, Liebing N, Serrano-Guisan S, Rott K, Reiss G, Schumacher HW (2018)
AIP ADVANCES 8(11): 115114.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Autor*in
Heiliger, Christian; Czerner, Michael; Liebing, Niklas; Serrano-Guisan, Santiago; Rott, KarstenUniBi; Reiss, GünterUniBi ; Schumacher, Hans W.
Abstract / Bemerkung
We find an unusual angular dependence of the tunneling magneto-Seebeck effect (TMS). The conductance shows normally a cosine-dependence with the angle between the magnetizations of the two ferromagnetic leads. In contrast, the angular dependence of the TMS depends strongly on the tunneling magneto resistance (TMR) ratio. For small TMR ratios we obtain also a cosine-dependence whereas for very large TMR ratios the angular dependence approaches a step-like function. The origin is that the cosine-dependent transmission function enters in the denominator of the definition of the Seebeck coefficient. Although the TMR and TMS are disconnected with respect to their magnitude the size of the TMR effect can be deducted from the angular dependence of the TMS effect. (C) 2018 Author(s).
Erscheinungsjahr
2018
Zeitschriftentitel
AIP ADVANCES
Band
8
Ausgabe
11
Art.-Nr.
115114
ISSN
2158-3226
Page URI
https://pub.uni-bielefeld.de/record/2932784

Zitieren

Heiliger C, Czerner M, Liebing N, et al. Unusual angular dependence of tunneling magneto-Seebeck effect. AIP ADVANCES. 2018;8(11): 115114.
Heiliger, C., Czerner, M., Liebing, N., Serrano-Guisan, S., Rott, K., Reiss, G., & Schumacher, H. W. (2018). Unusual angular dependence of tunneling magneto-Seebeck effect. AIP ADVANCES, 8(11), 115114. doi:10.1063/1.5042014
Heiliger, C., Czerner, M., Liebing, N., Serrano-Guisan, S., Rott, K., Reiss, G., and Schumacher, H. W. (2018). Unusual angular dependence of tunneling magneto-Seebeck effect. AIP ADVANCES 8:115114.
Heiliger, C., et al., 2018. Unusual angular dependence of tunneling magneto-Seebeck effect. AIP ADVANCES, 8(11): 115114.
C. Heiliger, et al., “Unusual angular dependence of tunneling magneto-Seebeck effect”, AIP ADVANCES, vol. 8, 2018, : 115114.
Heiliger, C., Czerner, M., Liebing, N., Serrano-Guisan, S., Rott, K., Reiss, G., Schumacher, H.W.: Unusual angular dependence of tunneling magneto-Seebeck effect. AIP ADVANCES. 8, : 115114 (2018).
Heiliger, Christian, Czerner, Michael, Liebing, Niklas, Serrano-Guisan, Santiago, Rott, Karsten, Reiss, Günter, and Schumacher, Hans W. “Unusual angular dependence of tunneling magneto-Seebeck effect”. AIP ADVANCES 8.11 (2018): 115114.

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