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WMI Research

Superconductivity and Superfluidity
Superconducting Quantum Circuits and Nanomechanics
Magnetism and Spintronics
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SFB 631
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SPP 1601
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Magnetism & Spintronics: Spin Mechanics

 

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Spin Mechanics

The interplay between an elastic deformation of a solid and the magnetization direction, called magnetoelastic coupling, allows to sense and control the magnetization direction via the lattice stress and vice versa. Tailoring this interaction enables the realization of hybrid devices. We explore ...

  • The opportunities and the fundamental limits of the spin mechanics concept
  • The influence of the ferromagnet's properties, in particular crystallinity and magnetic anisotropy, on the voltage-control of magnetization
  • Spin mechanics in (nanoscale) ferromagnetic / ferroelectric heterostructures
  • Spin mechanics at radio frequencies, i.e., elastically driven ferromagnetic resonance
  • Sensing magnetoelastics with nanostring resonators
   
Recent publications

A versatile platform for magnetostriction measurements in thin films
Matthias Pernpeintner, Rasmus B. Holländer, Maximilian J. Seitner, Eva M. Weig, Rudolf Gross, Sebastian T. B. Goennenwein, Hans Huebl
J. Appl. Phys. 119, 093901 (2016)

 

Surface Acoustic Wave-Driven Ferromagnetic Resonance in Nickel Thin Films: Theory and Experiment
L. Dreher, M. Weiler, M. Pernpeintner, H. Huebl, R. Gross, M.S. Brandt, S.T.B. Goennenwein
Phys. Rev. B 86, 134415 (2012)

 

Elastically driven ferromagnetic resonance in nickel thin films
M. Weiler, L. Dreher, C. Heeg, H. Huebl, R. Gross, M. S. Brandt, S. T. B. Goennenwein
Phys. Rev. Lett. 106, 117601 (2011)

 

Electroelastic Hyperfine Tuning of Phosphorus Donors in Silicon
L. Dreher, T. A. Hilker, A. Brandlmaier, S. T. B. Goennenwein, H. Huebl, M. Stutzmann, and M. S. Brandt
Phys. Rev. Lett. 106, 037601 (2011)