Journal article

Nitrogen-vacancy-center imaging of bubble domains in a 6-angstrom film of cobalt with perpendicular magnetization

J-P Tetienne, T Hingant, L Rondin, S Rohart, A Thiaville, E Jue, G Gaudin, J-F Roch, V Jacques

JOURNAL OF APPLIED PHYSICS | AMER INST PHYSICS | Published : 2014

Abstract

We employ a scanning nitrogen-vacancy-center microscope to perform stray field imaging of bubble magnetic domains in a perpendicularly magnetized Pt/Co/AlOx trilayer with 6 Å of Co. The stray field created by the domain walls is quantitatively mapped with few-nanometer spatial resolution, with a probe-sample distance of about 100 nm. As an example of application, we show that it should be possible to determine the Bloch or Néel nature of the domain walls, which is of crucial importance to the understanding of current-controlled domain wall motion. © 2014 AIP Publishing LLC.

University of Melbourne Researchers

Grants

Funding Acknowledgements

This work was supported by the Agence Nationale de la Recherche (ANR) through the projects Diamag and Esperado, by C'Nano Ile-de-France (contracts Magda and Nanomag), and by the EU project Diadem.