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- Title
Ultrahigh spin thermopower and pure spin current in a single-molecule magnet.
- Authors
Bo Luo; Juan Liu; Jing-Tao Lü; Jin-Hua Gao; Kai-Lun Yao
- Abstract
Using the non-equilibrium Green's function (NEGF) formalism within the sequential regime, we studied ultrahigh spin thermopower and pure spin current in single-molecule magnet(SMM), which is attached to nonmagnetic metal wires with spin bias and angle (θ) between the easy axis of SMM and the spin orientation in the electrodes. A pure spin current can be generated by tuning the gate voltage and temperature difference with finite spin bias and the arbitrary angle except of θ=½π,2/3π. In the linear regime, large thermopower can be obtained by modifying Vg and the angles (θ). These results are useful in fabricating and advantaging SMM devices based on spin caloritronics.
- Subjects
THERMOELECTRIC power; SINGLE molecule magnets; GREEN'S functions; NON-equilibrium reactions; ELECTRODES
- Publication
Scientific Reports, 2014, p1
- ISSN
2045-2322
- Publication type
Article
- DOI
10.1038/srep04128