Abstract
We present a model of the thermopower in a mesoscopic tunnel junction between two ferromagnetic metals based upon magnon-assisted tunneling processes. In our model, the thermopower is generated in the course of thermal equilibration between two baths of magnons, mediated by electrons. We predict a particularly large thermopower effect in the case of a junction between two half-metallic ferromagnets with antiparallel polarizations, S AP∼-(kB/e), in contrast to SP≈0 for a parallel configuration.
Original language | English |
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Pages (from-to) | 3609-3611 |
Number of pages | 3 |
Journal | Applied Physics Letters |
Volume | 81 |
Issue number | 19 |
DOIs | |
Publication status | Published - 4 Nov 2002 |
Research Beacons, Institutes and Platforms
- National Graphene Institute