Article Dans Une Revue Applied Physics Letters Année : 2012

Nanoscale magnetic field mapping with a single spin scanning probe magnetometer

Résumé

We demonstrate quantitative magnetic field mapping with nanoscale resolution, by applying a lock-in technique on the electron spin resonance frequency of a single nitrogen-vacancy defect placed at the apex of an atomic force microscope tip. In addition, we report an all-optical magnetic imaging technique which is sensitive to large off-axis magnetic fields, thus extending the operation range of diamond-based magnetometry. Both techniques are illustrated by using a magnetic hard disk as a test sample. Owing to the non-perturbing and quantitative nature of the magnetic probe, this work should open up numerous perspectives in nanomagnetism and spintronics.

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hal-04944749 , version 1 (27-02-2025)

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Loïc Rondin, Jean-Philippe Tetienne, Piernicola Spinicelli, Claudio Dal Savio, Khaled Karrai, et al.. Nanoscale magnetic field mapping with a single spin scanning probe magnetometer. Applied Physics Letters, 2012, 100 (15), pp.153118. ⟨10.1063/1.3703128⟩. ⟨hal-04944749⟩
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