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

Seminar on
Spin currents and Skyrmionics
SS 2019


BADW

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Time:
Thursday, 15:00 - 16:30 h

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

Date Speaker Title
25.04.2019 and
02.05.2019
Dr. Mathias Weiler, Dr. Matthias Althammer, Dr. Stephan Geprägs, Dr. H. Huebl
Walther-Meißner-Institut (E23)
Bayerische Akademie der Wissenschaften (BAdW) and Technische Universität München (TUM)
Preliminary discussion and assignment of topics: Room 143
09.05.2019
Titel, Name
Affiliation
Title of Talk
16.05.2019
Anastasia Golovin
WMI, TUM
High frequency spintronic devices
23.05.2019
Leonhard Hölscher
WMI, TUM
Spinwave propagation in metallic wedges
06.06.2019
Philipp Schwenke
WMI, TUM
Ferrimagnet/metal multilayers
27.06.2019
Andreas Faltermeier
WMI, TUM
TBA
04.07.2019
Manuel Müller
WMI, TUM
TBA
11.07.2019
Adrian Gomez
WMI, TUM
Optical detection of acoustically driven magnetic resonance
18.07.2019
Monika Scheufele
WMI, TUM
Magnetic properties of Iridates
25.07.2019
Niklas von Minckwitz
TUM
From Kinetic Instability to Bose-Einstein Condensation and Magnon Supercurrents
Advisor: Mathias Weiler


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

The focus of the seminar will be on
- Skyrmions
- Pure spin currents

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

Topics for seminar talks in SS2019:

Skyrmionics

  1. Observation of two independent skyrmion phases in a chiral magnetic material (Chacon et al., Nature Physics 14, 936 (2018) https://doi.org/10.1038/s41567-018-0184-y )
  2. Magnetostatic twists in room-temperature skyrmions explored by nitrogen-vacancy center spin texture reconstruction (Dovzhen et al., Nature Communications 9, 2712 (2018) https://doi.org/10.1038/s41467-018-05158-9 )
  3. Fast current-driven domain walls and small skyrmions in a compensated ferrimagnet (Caretta et al., Nature Nanotechnology (2018) https://doi.org/10.1038/s41565-018-0255-3 )

All-electrical magnon transport:

  1. Nonlinear spin conductance of yttrium iron garnet thin films driven by large spin-orbit torque (Thiery et al., Physical Review B 97, 060409 (2018) https://doi.org/10.1103/PhysRevB.97.060409 )
  2. Efficient injection and detection of out-of-plane spins via the anomalous spin Hall effect in permalloy nanowires, (Das et al., Nano Lett 18, 5633 https://doi.org/10.1021/acs.nanolett.8b02114 )
  3. Observation of magnon mediated current drag in Pt/YIG/Pt trilayers, (Li et al. Nature Comm. 7, 10858 (2016), https://doi.org/10.1038/ncomms10858)

Magnon Bose-Einstein condensates:

  1. From Kinetic Instability to Bose-Einstein Condensation and Magnon Supercurrents, (Kreil et al., Physical Review Letters 121, 077203, (2018) https://doi.org/10.1103/PhysRevLett.121.077203 )
  2. Supercurrent in a room-temperature Bose–Einstein magnon condensate (Bozhko et al., Nature Physics 12, 1057 (2016), https://doi.org/10.1038/nphys3838 )
  3. Magnon-magnon interactions in a room-temperature magnonic Bose-Einstein condensate (Dzyapko et al., Physical Review B 96, 064438, (2017), https://doi.org/10.1103/PhysRevB.96.064438 )

 

Contact: Matthias Althammer (Tel.: 089 289 14311, matthias.althammer@wmi.badw.de), Hans Huebl (Tel.: 089 289 1420, hans.huebl@wmi.badw.de), Mathias Weiler (Tel.: 089 289 14226, mathias.weiler@wmi.badw.de)




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

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