Abstract
The nuclear acoustic resonance of ${\mathrm{He}}^{3}$ spins has been excited and detected via Rayleigh waves on a metal surface. The signal is many orders of magnitude larger than the nuclear acoustic resonance signal detected in the bulk of solids. Its magnitude is very sensitive to surface damage. The effect has been observed with liquid ${\mathrm{He}}^{3}$ in contact with gallium, aluminum, and gold.
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