Controlling waves in magnets with superconductors for the first time

Science Daily  October 26, 2023
For spintronics spin-waves have emerged as a promising platform that can offer new functionalities because of their wave nature. However, control of the spin-waves has remained a formidable challenge. Researchers in the Netherlands used superconducting diamagnetism to shape the magnetic environment governing the transport of spin waves in a thin-film magnet. Using diamond-based magnetic imaging, they observed hybridized spin-wave–Meissner-current transport modes with strongly altered, temperature-tunable wavelengths and then demonstrated local control of spin-wave refraction using a focused laser. According to the researchers their results demonstrate the versatility of superconductor-manipulated spin-wave transport and have potential applications in spin-wave gratings, filters, crystals, and cavities… read more. TECHNICAL ARTICLE

An illustration of the experiment… Credit: Michael Borst, TU Delft

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