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Magnetic Force Microscopy Study of CoPtCrO Perpendicular Media With Superparamagnetic And Permanent Magnet Tips

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10 Author(s)
L. Yuan ; Physics & Astronomy, University of Nebraska-Lincoln, Lincoln, NE, USA ; L. Gao ; L. Nicholl ; S. H. Liou
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This paper compares the images obtained by superparamagnetic and permanent magnetic force microscopy (MFM) tips, that allows us to explain the issues related to the frequency double in some of domain images of the recording media. This paper also investigates the domain structures of high density recording bits (up to 1100 kfci) written on ac and dc-erased CoPtCrO perpendicular magnetic recording (PMR) media with permanent magnet MFM tips under ambient conditions.

Published in:

INTERMAG 2006 - IEEE International Magnetics Conference

Date of Conference:

8-12 May 2006