Topography and in-remanence magnetic image of a single-domain nanowire (type C). (a) Topography and (b) MFM image in remanence of nanowire C; (c)-(d) MFM-based mode images (e)-(g) profiles corresponding to hysteresis loops. The frequency shift contrast for all the MFM images is 8.5 Hz.
Jaafar et al. Nanoscale Research Letters 2011 6:407 doi:10.1186/1556-276X-6-407