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

Bejarano, Mauricio; Trindade Goncalves, Francisco José; Hollenbach, Michael; Hache, Toni; Hula, Tobias; Berencen, Yonder; Faßbender, Jürgen; Helm, Manfred; Astakhov, Georgy; Schultheiß, Helmut

doi:10.1109/LMAG.2021.3066341

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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.

We report the use of optically addressable spin qubits in SiC to probe the static magnetic stray fields generated by a ferromagnetic microstructure lithographically patterned on the surface of a SiC crystal. The stray fields cause shifts in the resonance frequency of the spin centers. The spin resonance is driven by a micrometer-sized microwave antenna patterned adjacent to the magnetic element. The patterning of the antenna is done to ensure that the driving microwave fields are delivered locally and more efficiently compared to conventional, millimeter-sized circuits. A clear difference in the resonance frequency of the spin centers in SiC is observed at various distances to the magnetic element, for two different magnetic states. Our results offer a wafer-scale platform to develop hybrid magnon-quantum applications by deploying local microwave fields and the stray field landscape at the micrometer lengthscale.

Keywords: Quantum sensing; Magnonics; Spin qubits in SiC; Microwave circuits; electron beam lithography

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DOI: 10.17815/jlsrf-3-159 is cited by this (Id 31418) publication
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ROBIS: 31921 is referenced by this (Id 31418) publication
Data for: Mapping the stray fields of a micromagnet using spin centers in SiC
RODARE: 683 is referenced by this (Id 31418) publication
Data for: Mapping the stray fields of a micromagnet using spin centers in SiC
ROBIS: 31921 HZDR-primary research data are used by this (Id 31418) publication

IEEE Magnetics Letters 12(2021), 9380379
DOI: 10.1109/LMAG.2021.3066341
Cited 1 times in Scopus
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Magnetism and Magnetic Materials Conference 2020 (MMM2020), 02.-06.11.2020, Online, United States
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Around-the-Clock Around-the-Globe Magnetics Conference, 24.08.2021, Online, Online
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