Let the science talk - Issue #17

A superconducting mirror for spin waves

What happens if you combine spin waves with superconductivity? A lot, M. Borst et al find, once they were able to image the spin waves locally using NV magnetometry. The wavelength of the spin waves increases when superconductivity is switched on, and it can be tuned by temperature, magnetic field and even light.

In Borst’s work recently published in Science, the spin waves are propagating in Yttrium Iron Garnet (YIG). They used a diamond membrane filled with NV centers to image the spin waves and …

Representation of the experimental setup to study the effect of superconductivity on spin waves in YIG thin layers.
Image courtesy: Michael Borst, TU Delft
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