Iterative Method for Intrinsic Viscosity Measurements on Perpendicular Recording Media
نویسنده
چکیده
In this paper, we introduce a new method that allows to directly measure the intrinsic viscosity ( ) for perpendicular media using a vibrating sample magnetometer. The measurement is carried out in a number of iterations. In each iteration, the behavior of applied field ( ) with time is gradually adjusted according to the change in the internal field ( ) calculated from the relaxation behavior measured in the previous iteration. Eventually, during the last iteration, from which the intrinsic viscosity can be extracted, is kept constant by appropriately changing .
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