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 STB (2019)

Publication Type: Journal article

Publication year: 2019

Journal

Nature Communications Nature Publishing Group: Nature Communications

Book Volume: 10

Article Number: 5459

Journal Issue: 1

DOI: 10.1038/s41467-019-13391-z

Abstract

Non-collinear antiferromagnets are revealing many unexpected phenomena and they became crucial for the field of antiferromagnetic spintronics. To visualize and prepare a well-defined domain structure is of key importance. The spatial magnetic contrast, however, remains extraordinarily difficult to be observed experimentally. Here, we demonstrate a magnetic imaging technique based on a laser induced local thermal gradient combined with detection of the anomalous Nernst effect. We employ this method in one the most actively studied representatives of this class of materials—Mn3Sn. We demonstrate that the observed contrast is of magnetic origin. We further show an algorithm to prepare a well-defined domain pattern at room temperature based on heat assisted recording principle. Our study opens up a prospect to study spintronics phenomena in non-collinear antiferromagnets with spatial resolution.

Involved external institutions

Technische Universität Dresden DE Germany (DE) Academy of Sciences of the Czech Republic (ASCR) / Akademie věd České republiky (AVČR) CZ Czech Republic (CZ) Univerzita Karlova v Praze / Charles University in Prague CZ Czech Republic (CZ) Max-Planck-Institut für Chemische Physik fester Stoffe (MPI CPfS) / Max Planck Institute for Chemical Physics of Solids DE Germany (DE) Helmholtz-Zentrum Dresden-Rossendorf (HZDR) DE Germany (DE)

How to cite

APA:

Reichlova, H., Janda, T., Godinho, J., Markou, A., Kriegner, D., Schlitz, R.,... Goennenwein, S.T.B. (2019). Imaging and writing magnetic domains in the non-collinear antiferromagnet Mn3Sn. Nature Communications, 10(1). https://doi.org/10.1038/s41467-019-13391-z

MLA:

Reichlova, Helena, et al. "Imaging and writing magnetic domains in the non-collinear antiferromagnet Mn3Sn." Nature Communications 10.1 (2019).

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