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Thermal stability is critical for magnetic grains in high density recording applications. Composite media grains consisting primarily of a hard and soft layer with intergrain exchange coupling are examined. Here it is shown, as in single domain particles, that power laws, to a good approximation, describe the field dependence of the energy barrier. In general, the power law exponent decreases with...
In the present paper we investigate the effects of adjacent track interference (ATI), which include changes in amplitude, erase band width, and byte error rate. In-depth understanding of these effects, called adjacent track interference (ATI), is of great interest and allows improving the design of the individual components in the hard disk drive. A similar spinstand measurement is also devised to...
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