Abstract
We have performed magnetic force microscopy at various temperatures utilizing piezoelectric quartz tuning forks as probes. Due to their large force constants (∼104N∕m), quartz tuning forks are intrinsically less sensitive to force gradients than conventional cantilevers. However, we demonstrate that the technique of Q-control can be used to increase their sensitivity, making their use as probes for variable temperature magnetic force microscopy a viable option.
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