Hall sensors are used for magnetic field sensing in numerous industrials applications as well as fundamental research.

The sensors are widely used for detection of superparamagnetic nanobeads in biomedical applications due to their high sensitivity to small amount of magnetic moment at room temperature.

The essential aim is to develop an ultra-small sensor, combining the highest spatial resolution with maximum coupling coefficient to a nanobead.

Novel epitaxial graphene sensors are among the best candidates providing high sensitivity with reduced vertical distance to the active layer.

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