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Imaging and writing magnetic domains in the non-collinear antiferromagnet Mn<sub>3</sub>Sn

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

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REICHLOVA, Helena, Tomas JANDA, Joao GODINHO, Anastasios MARKOU, Dominik KRIEGNER, Richard SCHLITZ, Jakub ZELEZNY, Zbynek SOBAN, Mauricio BEJARANO, Sebastian T. B. GÖNNENWEIN, 2019. Imaging and writing magnetic domains in the non-collinear antiferromagnet Mn3Sn. In: Nature Communications. Nature Publishing Group. 10, 5459. eISSN 2041-1723. Available under: doi: 10.1038/s41467-019-13391-z

@article{Reichlova2019Imagi-52289, title={Imaging and writing magnetic domains in the non-collinear antiferromagnet Mn3Sn}, year={2019}, doi={10.1038/s41467-019-13391-z}, volume={10}, journal={Nature Communications}, author={Reichlova, Helena and Janda, Tomas and Godinho, Joao and Markou, Anastasios and Kriegner, Dominik and Schlitz, Richard and Zelezny, Jakub and Soban, Zbynek and Bejarano, Mauricio and Gönnenwein, Sebastian T. B.}, note={Article Number: 5459} }

Soban, Zbynek Schlitz, Richard Janda, Tomas Markou, Anastasios Kriegner, Dominik Attribution 4.0 International Markou, Anastasios Soban, Zbynek 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-Mn<sub>3</sub>Sn. 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. Kriegner, Dominik Janda, Tomas Gönnenwein, Sebastian T. B. Zelezny, Jakub Bejarano, Mauricio 2021-01-05T11:00:20Z eng Reichlova, Helena Zelezny, Jakub 2021-01-05T11:00:20Z Gönnenwein, Sebastian T. B. Imaging and writing magnetic domains in the non-collinear antiferromagnet Mn<sub>3</sub>Sn Bejarano, Mauricio 2019 Godinho, Joao Schlitz, Richard Reichlova, Helena Godinho, Joao

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