Research Papers in Physics and Astronomy


Date of this Version

May 2002


Published by American Institute of Physics. J. Appl. Phys. 91, 7311 (2002). ©2002 American Institute of Physics. Permission to use.


The nanomagnetic behavior of Co–C nanodot arrays was investigated by magnetic force microscopy (MFM) and an alternative gradient force magnetometer. The direction of the easy axis can be observed directly with MFM by comparing the saturated magnetization state and the remanent magnetization state. Interaction of the domain wall with local defects was observed by field dependent MFM measurements. Some types of defects that can pin domain wall movement were identified.

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