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Walther-Meißner-Institut (WMI), Bayerische Akademie der Wissenschaften
Chair for Technical Physics (E23), Technische Universität München

Spin Caloritronics and Spin Pumping
WS 2013/2014


Lectures & Exercises
Practical Training
Lecture Notes
Talks & Tutorials

Wednesday, 10:15 - 11:45 h

Seminar Room 143
Walther-Meißner-Str. 8
Research Campus Garching

Date Speaker Title
Hans Huebl
Walther-Meißner-Institut (E23)
Bayerische Akademie der Wissenschaften (BAdW) and Technische Universität München (TUM)
Preliminary discussion and assignment of topics

This seminar deals with spin-related phenomena in solid state physics.

The focus of the seminar will be on
1. spin dynamics in paramagnetic and exchange coupled systems
2. spin mechanics
3. spin currents and spin pumping

All topics have substantial overlap with magnetism-related research activities at the WMI and the TUM physics department. Seminar talks can be given either in English or in German.

The seminar is relevant for the special courses on "Magnetism and Spintronics". It is suitable for bachelor and master students in the 6. semester and higher.

(Spin-abhängige Effekte in Festkörpern stehen im Fokus dieses Seminars. Dabei sollen einerseits spin-kalorische Phänomene diskutiert werden, also der Spin- bzw. Ladungstransport in Proben, die einem Temperaturgradienten ausgesetzt sind. Andererseits werden wir uns mit Spindynamik und Spin-Strömen bzw. dem Spin-Pumpen-Effekt beschäftigen. Der Spin-Pumpen-Effekt erlaubt die Erzeugung reiner Spintröme, die für die Grundlagenforschung und für Spin-Elektronik sehr interessant sind.)

Topics for seminar talks in WS 2013/2014:
  1. Dynamic of paramagnetic spin systems (Rabi ocillations, Hahn echoes and further pulse sequences used in pulsed EPR) (Literature: A. Schweiger and G Jeschke, Principles of pulse electron paramagnetic resonance, M. H. Levitt, Spin dynamics)

  2. Spin dynamics in exchange coupled spin systems (Landau Lifschitz Gilbert equation including damping) (Literature: Stancil, Morrish, Chikazumi)

  3. Magnon basics [magnon dispersion, propagation length, magnon modes] (Literature: Sparks, Demokritov, Hillebrands)

  4. Spin mechanics - the dynamic properties (M. Weiler et al., Phys. Rev. Lett. 106, 117601 (2011), L. Dreher et al., Phys. Rev. B 86, 134415 (2012))

  5. Acoustic spin pumping (Literature: Uchida et al., Nature Mater. 10, 737 (2011), Weiler PRL 106, 176601 (2012))

  6. Spin-dependent Seebeck effect (Literature: Slachter et al., Nature Phys. 6, 879 (2010))

  7. Spin-dependent Peltier effect (Literature: Flipse et al., Nature Nanotech. 7, 166 (2012))

  8. Spin Seebeck effect (Literature: Uchida et al., Nature 455, 778 (2008))

  9. Spin Seebeck insulator (Literature: Uchida et al. Nature Mater. 9, 894 (2010))

  10. Intrinsic Spin-Dependent thermal transport [What about the substrate?] (Literature: Huang et al., PRL 107, 216604 (2011))

  11. Seebeck effect in magnetic tunnel junctions (Literature: Walter et al., Nature Mater. 10, 742 (2011))

  12. Seebeck spin tunneling (Literature: LeBreton et al., Nature 475,82 (2011))

  13. Spin pumping (Literature: Czeschka et al., PRL 107, 046601 (2011)

  14. RF measurement techniques [waveguides, cavities, and network analysis]  (see Tutorial)

  15. Magnetic susceptibility: From DC to RF (Literature: Stancil, Morrish, Chikazumi)

For general information on the teaching program of TUM see TUMonline.

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