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Spin Seebeck coefficient of a molecular spin pump
Jonas Fransson1, Michael Galperin
1Department of Physics and Astronomy, Uppsala University, Box 530, SE-751 21 Uppsala, Sweden.
This study introduces the spin Seebeck coefficient for molecular spin pumps, exploring thermal properties and the impact of inelastic effects on thermospintronic characteristics.
Area of Science:
- Spintronics
- Molecular electronics
- Condensed matter physics
Background:
- Previously developed models of molecular spin pumps controlled by electric fields.
- The need for understanding thermal properties in spintronic devices.
Purpose of the Study:
- To introduce and define the spin Seebeck coefficient for molecular spin pumps.
- To investigate the thermal properties of these devices.
- To analyze the influence of inelastic effects on thermospintronic characteristics.
Main Methods:
- Generalization of a previously established molecular spin pump model.
- Introduction of the spin Seebeck coefficient.
- Discussion of nonequilibrium Seebeck coefficient definitions.
- Numerical examples to demonstrate the influence of inelastic effects.
Main Results:
- The spin Seebeck coefficient for molecular spin pumps is defined.
- Several definitions for a nonequilibrium Seebeck coefficient are presented.
- The impact of inelastic scattering on thermospintronic properties is quantified.
Conclusions:
- The study provides a framework for analyzing thermal transport in molecular spintronic devices.
- Inelastic effects play a significant role in the thermospintronic characteristics of molecular spin pumps.
- The findings contribute to the development of efficient spintronic devices.
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