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Transmission Electron Microscope Observations of Magnetic Domain Walls

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2 Author(s)
Michalak, J.T. ; Edgar C. Bain Laboratory for Fundamental Research, United States Steel Corporation Research Center, Monroeville, Pennsylvania ; Glenn, R.C.

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Ferromagnetic domain wall images have been observed in a variety of ferromagnetic materials by an electron transmission technique employing defocusing of the objective lens. Image formation and contrast effects are interpreted on the basis of charged particle motion through a magnetic field and electron microscope imaging. Observations are consistent with magnetic domain theory; domain sizes and wall geometry have been confirmed by the Bitter pattern technique.

Published in:

Journal of Applied Physics  (Volume:32 ,  Issue: 7 )