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Parabolic diamond scanning probes for single spin magnetic field imaging

Autor: Hedrich, N., Rohner, D., Batzer, M., Maletinsky, P., Shields, B. J.

Enhancing the measurement signal from solid state quantum sensors such as the nitrogen-vacancy (NV) center in diamond is an important problem for sensing and imaging of condensed matter systems. Here we engineer diamond scanning probes with a truncat

Externí odkaz: http://arxiv.org/abs/2003.01733

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Akademický článek

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Flexomagnetism of thin Cr2O3 films

Publikováno v: APS March Meeting, 20.-22.03.2023, Online participation, USA

Cr2O3 is the only known uniaxial antiferromagnetic material that is also magnetoelectric at room temperature. This renders Cr2O3 a technologically relevant playground for the realisation of different device ideas for prospective antiferromagnetic spi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______4577::d0c9bec3e383091777ea556070068281
https://www.hzdr.de/publications/Publ-35991-1

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Interaction of domain walls with grain boundaries in uniaxial insulating antiferromagnets

Autor: Pylypovskyi, O., Hedrich, N., Tomilo, A., Kosub, T., Wagner, K., Hübner, R., Shields, B., Sheka, D., Faßbender, J., Maletinsky, P., Makarov, D.

Publikováno v: Physical Review Applied 20(2023), 014020

A search for high-speed and low-energy memory devices puts antiferromagnetic thin films at the forefront of spintronic research. Here, we develop a material model of a granular antiferromagnetic thin film with uniaxial anisotropy and provide fundamen

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______4577::fbb3b44e67160c2dffaf47bdf70ed4d2
https://www.hzdr.de/publications/Publ-36982-1

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Surface magnetization of Cr2O3 (104) quantified via scanning NV magnetometry

Autor: Lehmann, P., Wagner, K., Pylypovskyi, O., Weber, S., Hedrich, N., Makushko, P., Shields, B., Kosub, T., Veremchuk, I., Sheka, D., Spaldin, N., Makarov, D., Maletinsky, P.

Publikováno v: WE-Heraeus-Seminar “Re-thinking Spintronics: From Unconventional Materials to Novel Technologies”, 03.-06.01.2023, Bad Honnef, Germany

Magneto-electric antiferromagnets are candidate materials for future spintronic devices. While antiferromagnets offer high speed, low power consumption and robustness to external fields, magneto-electrics allow manipulation of the magnetic order para

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______4577::5e4f5cf1cac70d67ac20a5f3684f29c5
https://www.hzdr.de/publications/Publ-36372-1

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Interaction of antiferromagnetic domain walls with crystal defects

Autor: Pylypovskyi, O., Tomilo, A., Hedrich, N., Wagner, K., Shields, B. J., Kosub, T., Hübner, R., Faßbender, J., Sheka, D. D., Maletinsky, P., Makarov, D.

Publikováno v: DPG Meeting of the Condensed Matter Section: Magnetism Division, 26.-31.03.2023, Dresden, Germany

Understanding behavior of magnetic texture in antiferromagnetic nanostructures and thin films is crucial for the design of novel magnetic data storage and logic devices. Here, we derive the boundary conditions for the Néel vector in a two-sublattice

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______4577::63ac36b6c5a1927a82a0a7b1c1870448
https://www.hzdr.de/publications/Publ-36859-1

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Akademický článek

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Flexomagnetism and vertically graded Néel temperature of antiferromagnetic Cr2O3 thin films

Autor: Makushko, P., Kosub, T., Pylypovskyi, O., Hedrich, N., Li, J., Pashkin, O., Avdoshenko, S., Hübner, R., Ganss, F., Liedke, M. O., Butterling, M., Wagner, A., Wagner, K., Shields, B. J., Lehmann, P., Veremchuk, I., Faßbender, J., Maletinsky, P., Makarov, D.

Publikováno v: Nature Communications 13(2022), 6745

Antiferromagnetic insulators are a prospective material science platform for magnonics, spin superfluidity, THz spintronics, and non-volatile data storage. A magnetomechanical coupling in antiferromagnets offers vast advantages in the control and man

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______4577::d9f2b34d906a1c9ab25a34a5397a5968
https://www.hzdr.de/publications/Publ-34673-1

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Defect nanostructure and its impact on magnetism of α-Cr2O3 thin films

Autor: Veremchuk, I., Liedke, M. O., Makushko, P., Kosub, T., Hedrich, N., Pylypovskyi, O., Ganss, F., Butterling, M., Hübner, R., Attallah, A. G., Wagner, A., Wagner, K., Shields, B., Maletinsky, P., Faßbender, J., Makarov, D.

Publikováno v: Small 18(2022)17, 2201228
IEEE International Conference "Nanomaterials: Applications & Properties", 11.-16.09.2022, Krakow, Poland

Thin films of the magnetoelectric insulator α-Cr2O3 are technologically relevant for energy-efficient magnetic memory devices controlled by electric fields. In contrast to single crystals, the quality of thin Cr2O3 films is usually compromised by th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::3e1274d039934bdbcd8bd172df9da1e9
https://www.hzdr.de/publications/Publ-34360-1

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Nanoscale studies of antiferromagnetic spin-textures

Autor: Wagner, K., Lehmann, P., Pylypovskyi, O., Hedrich, N., Makushko, P., Shields, B., Kosub, T., Sheka, D., Makarov, D., Maletinsky, P.

Publikováno v: MMM 2022, 31.10.-4.11.2022, Minneapolis, USA

Magneto-electric antiferromagnets hold promise for future spintronic devices, as they offer magnetic field hardness, high switching speeds and both electric and magnetic control of their order parameters, owing to the magneto-electric coupling [1]. A

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______4577::d88d2df7a0aa113bc03ef8e15a49a283
https://www.hzdr.de/publications/Publ-36370-1

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