Contact

Dr. Helmut Schultheiß

Head Magnonics
Emmy Noether group leader
h.schultheisshzdr.de
Phone: +49 351 260 3243

Magnonics: Spin waves bridging Spintronics and Photonics

Emmy Noether research group of Dr. Helmut Schultheiß

Within this project we investigate the fundamental connections between spin waves, spin polarized electrons and photons, combining the three recently emerged research directions of magnonics, spintronics and photonics. This research is driven by the demand for new concepts, technologies and materials for information processing since, on one side, electronics is reaching its physical limit of speed due to waste heat generation and, on the other side, photonics lacks fast, electronic control on small length scales. Spin waves, being the fundamental dynamic excitations of ferromagnets with frequencies in the gigahertz to terahertz regime, offer the unique opportunity to merge the best aspects of spintronics and photonics opening new pathways for information processing. You can find a more detailed overview of our current research topics here.

Our methods cover for example time- and phase-resolved Brillouin light scattering microscopy (TR-µBLS), time-resolved magneto-optical Kerr microscopy (TR-µMOKE), a femtosecond-laser system, electrical detection via the (inverse) spin Hall effect (ISHE) as well as micromagnetic simulation.

Joining our group

Group Foto Magnonics ©Copyright: Dr. Schultheiß, Helmut — Group Foto Magnonics

Foto: Helmut Schultheiß

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If you are interested in joining our group (i.e. for a Bachelor, Master or PhD Thesis, as a research assistant or postdoc) see our open positions section for possible topics or directly contact Dr. Helmut Schultheiß. Exemplary topics are:

Interaction of spin waves and spin polarized currents

Using the spin degree of electrons and coherent transport of spin information is one of the grand challenges of condensed matter physics. Spin wave, which are also called magnons, are the fundamental exciation quanta of a ferromagnet and can interact with spin polarized currents. This interaction can be studied on a nanometer lengthscale using magneto-optical techniques such as Kerr-effect and Brillouin light scattering microscopy as well as electrical measurements based on the (inverse) spin Hall effect.

Magneto-Plasmonik

Plasmons are electromagnetic waves propagating along metal-dielectric interfaces. Plasmons as well as magnons are not only interesting from a physicists point of view but are also promising candidates for future information processing technologies superseeding conventional CMOS devices. During a master or bachelor thesis the candidate will invesigate the interaction between magnons and plasmons in metallic/ferromagnetic hybrid devices.

Recent publications

See a full list here.

2021

Nonreciprocity of spin waves in magnetic nanotubes with helical equilibrium magnetization

Salazar-Cardona, M. M.; Körber, L.; Schultheiß, H.; Lenz, K.; Thomas, A.; Nielsch, K.; Kakay, A.; Otálora, J. A.

Applied Physics Letters 118(2021), 262411

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Secondary publication expected from 30.06.2022

Theory of three-magnon interaction in a vortex-state magnetic nanodot

Verba, R.; Körber, L.; Schultheiß, K.; Schultheiß, H.; Tiberkevich, V.; Slavin, A.

Related publications

Theory of three-magnon interaction in a vortex-state … (Id 32057) HZDR-primary research data are used by this (Id 32042) publication

Physical Review B 103(2021)1, 014413

Downloads:

Original PDF 744 kB Secondary publication

The 2021 Magnonics Roadmap

Barman, A.; Gubbiotti, G.; Ladak, S.; Adeyeye, A. O.; Krawczyk, M.; Gräfe, J.; Chumak, A. V.; Khitun, A.; Nikonev, D.; Young, I. A.; Vasyuchka, V. I.; Hillebrands, B.; Nikitov, S. A.; Yu, H.; Grundler, D.; Sadovnikov, A. V.; Grachev, A. A.; Sheshukova, S. E.; Duquesne, J.-Y.; Marangolo, M.; Csaba, G.; Porod, W.; Demidov, V. E.; Urazhdin, S.; Demokritov, S. O.; Albisetti, E.; Petti, D.; Bertacco, R.; Schultheiß, H.; Kruglyak, V. V.; Poimanov, V. D.; Sahoo, S.; Sinha, J.; Moriyama, T.; Mizukami, S.; Yang, H.; Münzenburg, M.; Landeros, P.; Gallardo, R. A.; Carlotti, G.; Kim, J.-V.; Stamps, R. L.; Camley, R. E.; Rana, B.; Otani, Y.; Yu, W.; Yu, T.; Bauer, G. E. W.; Back, C.; Uhrig, G. S.; Dobrovolskiy, O. V.; van Dijken, S.; Budinska, B.; Qin, H.; Adelmann, C.; Cotofana, S.; Naeemi, A.; Zingsem, B. W.; Winklhofer, M.

Journal of Physics: Condensed Matter 33(2021), 413001

Frequency- and magnetic-field-dependent properties of ordered magnetic nanoparticle arrangements

Neugebauer, N.; Hache, T.; Elm, M. T.; Hofmann, D. M.; Heiliger, C.; Schultheiß, H.; Klar, P. J.

Related publications

Frequency- and magnetic-field-dependent properties of … (Id 31690) HZDR-primary research data are used by this (Id 31689) publication

Physical Review B 103(2021), 094438

Magnetic texture based magnonics

Yu, H.; Xiao, J.; Schultheiß, H.

Physics Reports 905(2021), 1-59

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Secondary publication expected from 06.01.2022

Time refraction of spin waves

Schultheiß, K.; Sato, N.; Matthies, P.; Körber, L.; Wagner, K.; Hula, T.; Gladii, O.; Pearson, J. E.; Hoffmann, A.; Helm, M.; Faßbender, J.; Schultheiß, H.

Physical Review Letters 126(2021), 137201

Downloads:

Original PDF 755 kB Secondary publication

Mapping the stray fields of a micromagnet using spin centers in SiC

Bejarano, M.; Trindade Goncalves, F. J.; Hollenbach, M.; Hache, T.; Hula, T.; Berencen, Y.; Faßbender, J.; Helm, M.; Astakhov, G.; Schultheiß, H.

Related publications

Data for: Mapping the stray fields of a micromagnet using … (Id 31921) HZDR-primary research data are used by this (Id 31418) publication

IEEE Magnetics Letters 12(2021), 9380379
Poster (Online presentation)
Magnetism and Magnetic Materials Conference 2020 (MMM2020), 02.-06.11.2020, Online, United States

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Secondary publication expected from 17.03.2022

Bipolar spin Hall nano-oscillators

Hache, T.; Li, Y.; Weinhold, T.; Scheumann, B.; Trindade Goncalves, F. J.; Hellwig, O.; Faßbender, J.; Schultheiß, H.

Related publications

Bipolar spin Hall nano-oscillators (Id 30829) HZDR-primary research data are used by this (Id 30822) publication

Applied Physics Letters 116(2020), 192405
Lecture (Conference) (Online presentation)
65th Annual Conference on Magnetism and Magnetic Materials (MMM 2020), 02.-06.11.2020, virtual conference, virtual conference

2020

Propagation of spin waves through a Néel domain wall

Wojewoda, O.; Hula, T.; Flajšman, L.; Vaňatka, M.; Gloss, J.; Holobrádek, J.; Staňo, M.; Stienen, S.; Körber, L.; Schultheiß, K.; Schmid, M.; Schultheiß, H.; Urbánek, M.

Applied Physics Letters 117(2020), 022405

Zero-field propagation of spin waves in waveguides prepared by focused ion beam direct writing

Flajšman, L.; Wagner, K.; Vaňatka, M.; Gloss, J.; Křižáková, V.; Schmid, M.; Schultheiß, H.; Urbánek, M.

Physical Review B 101(2020), 014436

Downloads:

Original PDF 1,7 MB Secondary publication

Nonlocal stimulation of three-magnon splitting in a magnetic vortex

Körber, L.; Schultheiß, K.; Hula, T.; Verba, R.; Faßbender, J.; Kakay, A.; Schultheiß, H.

Related publications

Nonlocal stimulation of three-magnon splitting in a … (Id 31137) HZDR-primary research data are used by this (Id 31058) publication

Physical Review Letters 125(2020)20, 207203
Lecture (Conference) (Online presentation)
MMM 2020 Virtual Conference, 02.-06.11.2020, online, online

Downloads:

Original PDF 891 kB Secondary publication

Nonlinear losses in magnon transport due to four-magnon scattering

Hula, T.; Schultheiß, K.; Buzdakov, A.; Körber, L.; Bejarano, M.; Flacke, L.; Liensberger, L.; Weiler, M.; Shaw, J. M.; Nembach, H. T.; Faßbender, J.; Schultheiß, H.

Related publications

Data for: Nonlinear losses in magnon transport due to … (Id 31718) HZDR-primary research data are used by this (Id 31050) publication

Applied Physics Letters 117(2020)4, 042404

Downloads:

Original PDF 1,8 MB Secondary publication

Freestanding and positionable microwave-antenna device for magneto-optical spectroscopy experiments

Hache, T.; Vaňatka, M.; Flajšman, L.; Weinhold, T.; Hula, T.; Ciubotariu, O.; Albrecht, M.; Arkook, B.; Barsukov, I.; Fallarino, L.; Hellwig, O.; Faßbender, J.; Urbánek, M.; Schultheiß, H.

Poster
DPG-Frühjahrstagung der Sektion Kondensierte Materie, 31.03.-05.04.2019, Universität Regensburg, Deutschland
Physical Review Applied 13(2020)5, 054009
Contribution to WWW
arXiv:1911.11517 [physics.app-ph]: https://arxiv.org/abs/1911.11517

Domain wall-based spin-Hall nano-oscillators

Sato, N.; Schultheiß, K.; Körber, L.; Puwenberg, N.; Mühl, T.; Awad, A. A.; Arekapudi, S. S. P. K.; Hellwig, O.; Faßbender, J.; Schultheiß, H.

Physical Review Letters 123(2019)5, 057204
Invited lecture (Conferences) (Online presentation)
65th Annual Conference on Magnetism and Magnetic Materials (MMM 2020), 02.-06.11.2020, Florida (virtuell), USA

Downloads:

Original PDF 1,6 MB Secondary publication

2019

Imaging and writing magnetic domains in the non-collinear antiferromagnet Mn₃Sn

Reichlova, H.; Janda, T.; Godinho, J.; Markou, A.; Kriegner, D.; Schlitz, R.; Zelezny, J.; Soban, Z.; Bejarano, M.; Schultheiß, H.; Nemec, P.; Jungwirth, T.; Felser, C.; Wunderlich, J.; Goennenwein, S.

Nature Communications 10(2019), 5459

Magnetization Dynamics of an Individual Single-Crystalline Fe-Filled Carbon Nanotube

Lenz, K.; Narkowicz, R.; Wagner, K.; Reiche, C. F.; Körner, J.; Schneider, T.; Kákay, A.; Schultheiss, H.; Suter, D.; Büchner, B.; Fassbender, J.; Mühl, T.; Lindner, J.

Small 15(2019)49, 1904315

High spin-wave propagation length consistent with low damping in a metallic ferromagnet

Flacke, L.; Liensberger, L.; Althammer, M.; Huebl, H.; Geprägs, S.; Schultheiß, K.; Buzdakov, A.; Hula, T.; Schultheiß, H.; Edwards, E. R. J.; Nembach, H. T.; Shaw, J. M.; Gross, R.; Weiler, M.

Applied Physics Letters 115(2019)12, 122402

Nonlinear ferromagnetic resonance in the presence of 3-magnon scattering in magnetic nanostructures

Slobodianiuk, D. V.; Melkov, G. A.; Schultheiß, K.; Schultheiß, H.; Verba, R. V.

IEEE Magnetics Letters 10(2019), 6103405

Combined frequency and time domain measurements on injection-locked, constriction-based spin Hall nano-oscillators

Hache, T.; Weinhold, T.; Schultheiss, K.; Stigloher, J.; Vilsmeier, F.; Back, C.; Arekapudi, S. S. P. K.; Hellwig, O.; Fassbender, J.; Schultheiss, H.

Applied Physics Letters 114(2019)10, 102403

Excitation of whispering gallery magnons in a magnetic vortex

Schultheiss, K.; Verba, R.; Wehrmann, F.; Wagner, K.; Körber, L.; Hula, T.; Hache, T.; Kákay, A.; Awad, A. A.; Tiberkevich, V.; Slavin, A. N.; Fassbender, J.; Schultheiss, H.

Physical Review Letters 122(2019), 097202
Invited lecture (Conferences)
International Conference on Magnetism, 19.07.2018, San Francisco, USA
Invited lecture (Conferences)
APS March Meeting, 04.03.2019, Boston, USA
Poster
Wilhelm und Else Heraeus-Seminar “Spin Based Information Processing”, 08.01.2019, Bad Honnef, Deutschland
Lecture (Conference)
Joint European Magnetic Symposia (JEMS), 04.09.2018, Mainz, Deutschland
Poster
Magnonics 2019, 28.07.2019, Carovigno, Italien
Invited lecture (Conferences)
Magnetics and Optics Research International Symposium, 24.06.2019, Prague, Czech Republic
Invited lecture (Conferences)
Conference on Magnetism and Magnetic Materials (MMM), 06.11.2019, Las Vegas, USA