Isofrequency spin-wave imaging using color center magnetometry for magnon spintronics

• URL: http://arxiv.org/abs/2508.18775v1
• Date: Tue, 26 Aug 2025 07:59:44 GMT
• Title: Isofrequency spin-wave imaging using color center magnetometry for magnon spintronics
• Authors: Samuel Mañas-Valero, Yasmin C. Doedes, Artem Bondarenko, Michael Borst, Samer Kurdi, Thomas Poirier, James H. Edgar, Vincent Jacques, Yaroslav M. Blanter, Toeno van der Sar,
• Abstract summary: Magnon spintronics aims to harness spin waves in magnetic films for information technologies.<n> color center magnetometry is a promising tool for imaging spin waves, using electronic spins associated with atomic defects in solid-state materials as sensors.
• Score: 0.0
• License: http://creativecommons.org/licenses/by-nc-sa/4.0/
• Abstract: Magnon spintronics aims to harness spin waves in magnetic films for information technologies. Color center magnetometry is a promising tool for imaging spin waves, using electronic spins associated with atomic defects in solid-state materials as sensors. However, two main limitations persist: the magnetic fields required for spin-wave control detune the sensor-spin detection frequency, and this frequency is further restricted by the color center nature. Here, we overcome these limitations by decoupling the sensor spins from the spin-wave control fields -selecting color centers with intrinsic anisotropy axes orthogonal to the film magnetization- and by using color centers in diamond and hexagonal boron nitride to operate at complementary frequencies. We demonstrate isofrequency imaging of field-controlled spin waves in a magnetic half-plane and show how intrinsic magnetic anisotropies trigger bistable spin textures that govern spin-wave transport at device edges. Our results establish color center magnetometry as a versatile tool for advancing spin-wave technologies.

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