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Open AccessArticle

Magnetic Contribution to the Seebeck Effect

1
Institute of Physics, Ecole Polytechnique Federale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland
2
Physics Section, Ecole Polytechnique Federale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Entropy 2018, 20(12), 912; https://doi.org/10.3390/e20120912
Received: 27 October 2018 / Revised: 16 November 2018 / Accepted: 25 November 2018 / Published: 30 November 2018
(This article belongs to the Special Issue Second Law: Survey and Application)
The Seebeck effect is derived within the thermodynamics of irreversible processes when the generalized forces contain the magnetic term M B . This term appears in the formalism when the magnetic field is treated as a state variable. Two subsystems are considered, one representing atomic magnetic moments, and the other, mobile charges carrying a magnetic dipole moment. A magnetic contribution to the Seebeck coefficient is identified, proportional to the logarithmic derivative of the magnetization with respect to temperature. A brief review of experimental data on magneto-thermopower in magnetic metals illustrates this magnetic effect on thermally-driven charge transport. View Full-Text
Keywords: Seebeck; thermopower; thermoelectricity; magneto-thermopower; spintronics Seebeck; thermopower; thermoelectricity; magneto-thermopower; spintronics
MDPI and ACS Style

Ansermet, J.-P.; Brechet, S.D. Magnetic Contribution to the Seebeck Effect. Entropy 2018, 20, 912. https://doi.org/10.3390/e20120912

AMA Style

Ansermet J-P, Brechet SD. Magnetic Contribution to the Seebeck Effect. Entropy. 2018; 20(12):912. https://doi.org/10.3390/e20120912

Chicago/Turabian Style

Ansermet, Jean-Philippe; Brechet, Sylvain D. 2018. "Magnetic Contribution to the Seebeck Effect" Entropy 20, no. 12: 912. https://doi.org/10.3390/e20120912

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