Feasibility of imaging using Boltzmann polarization in nuclear Magnetic Resonance Force Microscopy
Martin de Wit,
Gesa Welker,
Jelmer Wagenaar
et al.
Abstract:We report on Magnetic Resonance Force Microscopy measurements of the Boltzmann polarization of the nuclear spins in copper by detecting the frequency shift of a soft cantilever. We use the timedependent solution of the Bloch equations to derive a concise equation describing the effect of rf magnetic fields on both on-and off-resonant spins in high magnetic field gradients. We then apply this theory to saturation experiments performed on a 100 nm thick layer of copper, where we use the higher modes of the canti… Show more
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