Allgemein

With the innovation of energy and data-efficient neuromorphic-analog and ultra-fast information technology based on antiferromagnets our team is among the finalists of the EU Innovation Radar Prize 2020.

To see the article from European Commission click here.

Kevin Edmonds and Tomas Jungwirth, both PIs on the ASPIN project, reported with their collaborators magnetic-field-induced rotation of the antiferromagnetic Néel vector in epitaxial CuMnAs thin films, while using soft x-ray magnetic linear dichroism spectroscopy as well as magnetometry.

M. Wang, C. Andrews, S. Reimers, O. J. Amin, P. Wadley, R. P. Campion, S. F. Poole, J. Felton, K. W. Edmonds, B. L. Gallagher, A. W. Rushforth, O. Makarovsky, K. Gas, M. Sawicki, D. Kriegner, J. Zubáč, K. Olejník, V. Novák, T. Jungwirth, M. Shahrokhvand, U. Zeitler, S. S. Dhesi, and F. Maccherozzi
Spin flop and crystalline anisotropic magnetoresistance in CuMnAs

Prof. Claudia Felser and collaborators demonstrate in their paper that the anomalous Hall and Nernst coefficients exhibit similar behavior and fulfill the Mott relation.

G.-H. Park, H. Reichlova, R. Schlitz, M. Lammel, A. Markou, P. Swekis, P. Ritzinger, D. Kriegner, J. Noky, J. Gayles, Y. Sun, C. Felser, K. Nielsch, S. T. B. Goennenwein, A. Thomas:
Thickness dependence of the anomalous Nernst effect and the Mott relation of Weyl semimetal Co₂MnGa thin films

Mathias Kläui and Jairo Sinova with collaborators have published an extensive review achieving efficient spin-wave propagation over micrometer distances in thin films of the insulating antiferromagnet hematite with large magnetic domains while evidencing much shorter attenuation lengths in multidomain thin films.

A. Ross, R. Lebrun, O. Gomonay, D.A. Grave, A. Kay, L. Baldrati, S. Becker, A. Qaiumzadeh, C. Ulloa, G. Jakob, F. Kronast, J. Sinova, R. Duine, A. Brataas, A. Rothschild, M. Klaui
Propagation Length of Antiferromagnetic Magnons Governed by Domain Configurations

Claudia Felser and Stuart Parkin researched with colleagues on epitaxial growth, structural characterization, and exchange bias of noncollinear antiferromagnetic $M{n}_3\mathrm{Ir}$ thin films.

J. M. Taylor, E. Lesne, A. Markou, F. K. Dejene, B. Ernst, A. Kalache, K. G. Rana, N. Kumar, P. Werner, C. Felser, S. S. P. Parkin
Epitaxial growth, structural characterization, and exchange bias of noncollinear antiferromagnetic Mn₃Ir thin films

For the theoretical prediction, design and realization of non-magnetic and magnetic topological semi-metals and new types of topological insulators Claudia Felser wins the James C. McGroddy Prize for New Materials.

The James C. McGroddy Prize for New Materials awards scientists to recognize and encourage outstanding achievement in the science and application of new materials.

We have published a series of reviews and commentaries on Antiferromagnetic Spintronics in Nature Physics, describing the latest developments in this field, many of them spearheaded by the ASPIN team.

1. Jungwirth, Jairo Sinova, A. Manchon, X. Marti, J. Wunderlich, C. Felser The multiple directions of antiferromagnetic spintronics Nature Physics 14, 200–203 (2018)
2. Gomonay; V. Baltz; A. Brataas; Y. Tserkovnyak Antiferromagnetic spin textures and dynamics Nature Physics 14, 213–216 (2018)
3. Libor Šmejkal; Yuriy Mokrousov; Binghai Yan; Allan H. MacDonald Topological antiferromagnetic spintronics Nature Physics 14, 242–251 (2018)
4. P. Nemec, M. Fiebig, T. Kampfrath, and A. V. Kimel:
   Antiferromagnetic opto-spintronics, Nature Physics 14, 229-241 (2018)
   A. Duine, Kyung-Jin Lee, Stuart S. P. Parkin & M. D. Stiles:
   Synthetic antiferromagnetic spintronics, Nature Physics 14, 217-219 (2018)
5. Železný, P. Wadley, K. Olejník, A. Hoffmann & H. Ohno:
   Spin transport and spin torque in antiferromagnetic devices, Nature Physics 14, 220-228 (2018)

Prof. Petr Nemec and collaborators  describe a novel wide-field magneto-optical microscope that can be used in the study of antiferromagnetic and ferromagnetic materials.

Janda, L. Nádvorník, J. Kuchařík, D. Butkovičová, E. Schmoranzerová, F. Trojánek, and P. Němec:
Voigt effect-based wide-field magneto-optical microscope integrated in a pump-probe experimental setup.

Tomas Jungwirth and Jairo Sinova with collaborators have published an extensive review on Current-induced spin-orbit torques in ferromagnetic and antiferromagnetic systems. It is under consideration for publication in Review of Modern Physics.

Manchon, I.M. Miron, T. Jungwirth, J. Sinova, J. Zelezný, A. Thiaville, K. Garello, P. Gambardella:
Current-induced spin-orbit torques in ferromagnetic and antiferromagnetic systems.

Tomas Jungwirth and Jairo Sinova, both PIs of the ASPIN project, collaborated with Olena  Gomonay to predict a new type of tunable narrow-band THz detector based on the novel effect of Neel spin-orbit torque and spin-transfer torque.

Olena Gomonay, T. Jungwirth, J. Sinova:
Narrow-band tunable THz detector in antiferromagnets via Néel spin-orbit torque and spin-transfer torque.