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WMI Research

Superconductivity and Superfluidity
Superconducting Quantum Circuits and Nanomechanics
Magnetism and Spintronics
Organic Metals
Cryogenics
Materials

NIM
SFB 631
TRR 80
SPP 1458
SPP 1538
SPP 1601
ExQM
CCQED

Magnetism & Spintronics: Spin Dynamics

 

Spin dynamics (png, 55k)

Spin Dynamics

We study the dynamics of paramagnets and exchange-coupled spin systems by magnetic resonance spectroscopy. We are interested in extracting fundamental material parameters like magnetic damping, anisotropy and exchange in a wide range of material classes. Furthermore, we apply broadband magnetic resonance to study dynamics of topologically nontrivial magnets and spin-orbit torques. Experimental facilities include:

  • Broadband, coplanar waveguide based magnetic resonance in a frequency range up to 50 GHz and magnetic fields up to 2.7 T provided by a room-temperature electromagnet
  • 3D vector-magnet cryostat capable of applying up to 2.5 T in any direction, with temperature ranging from 1.7 K to 300 K and frequency up to 50 GHz.
  • Broadband magnetic resonance at ultralow temperatures (below 100 mK)
  • Quantitative phase-resolved magnetic resonance using vector network analysis
  • Cavity based magnetic resonance at 10 GHz and 24 GHz with temperatures from 4 K to 300 K
  • Frequency-resolved magneto-optic Kerr effect for spatially resolved magnetic resonance studies at room temperature
  • Access to a micro focused room-temperature Brillouin Light Scattering facility through the Nanosystems Initiative Munich (NIM).
  Ferromagnetic resonance (png, 71k)
Recent publications

Strong evidence for d-electron spin transport at room temperature at a LaAlO3/SrTiO3 interface
R. Ohshima, Y. Ando, K. Matsuzaki, T. Susaki, M. Weiler, S. Klingler, H. Huebl, E. Shikoh, T. Shinjo, S. T. B. Goennenwein, and M. Shiraishi
Nature Mater. 16, 609 (2017)

 

Tunable magnon-photon coupling in a compensating ferrimagnet - from weak to strong coupling
H. Maier-Flaig, M. Harder, S. Klingler, Z. Qiu, E. Saitoh, M. Weiler, S. Geprägs, R. Gross, S. T. B. Goennenwein, and H. Huebl
Applied Physics Letters 110, 132401 (2017)

 

Gilbert damping of magnetostatic modes in a yttrium iron garnet sphere
S. Klingler, H. Maier-Flaig, C. Dubs, O. Surzhenko, R. Gross, H. Huebl, S. T. B. Goennenwein, and M. Weiler
Applied Physics Letters 110, 092409 (2017)

 

Combined Brillouin light scattering and microwave absorption study of magnon-photon coupling in a split-ring resonator/YIG film system
S. Klingler, H. Maier-Flaig, R. Gross, C.-M. Hu, H. Huebl, S. T. B. Goennenwein, and M. Weiler
Applied Physics Letters 109, 072402 (2016)