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

Seminar on
Spin Caloritronics and Spin Pumping
SS 2014


BADW

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Time:
Thursday, 14:45 - 16:15 h

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

Date Speaker Title
10.04.2014
and
17.04.2014
Hans Huebl
Walther-Meißner-Institut (E23)
Bayerische Akademie der Wissenschaften (BAdW) and Technische Universität München (TUM)
Preliminary discussion and assignment of topics
24.04.2014
Kevin Keim
TUM
Spin Injection in Silicon
01.05.2014
May Day (public holiday)
08.05.2014
Titel, Name
Affiliation
Title of Talk
15.05.2014
Titel, Name
Affiliation
Title of Talk
22.05.2014
Titel, Name
Affiliation
Title of Talk
29.05.2014
Ascension Day (public holiday)
05.06.2014
Arthur Niedermayr
TUM
Electrical Noise in Ferrmagnetic Thin Films
12.6.2014
Sho Watanabe
TUM & Keio University
Acoustic Spin Pumping
19.06.2014
Corpus Christi (public holiday)
26.06.2014
No Talk
03.07.2014
No Talk
09.7.2014 15:00
Le Anh Tuan
TUM
Electrical Measurements on MoS2
09.7.2014 16:00
Magdalena Pühl
TUM
Spin Seebeck Insulator
10.07.2014
Franz Langrieger
TUM
RF-Measurement Techniques up to THz Frequencies
Datum
Sebastian Ruß
TUM
Magnons in Nanostructures Ferromagnetic Thin Films


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 SS 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.