The sweep rate dependence of coercivity in recording media |
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| Institution: | 1. Institute of Chemistry, University of Tartu, Ravila 14a, 50411 Tartu, Estonia;2. Institute of Physics, University of Tartu, W. Ostwald Str. 1, 50411 Tartu, Estonia;3. Chemistry Department of Natural Sciences Faculty, University of Prishtina, Rr. Nëna Tereze 5, Prishtina 10000, Kosovo;1. Department of Urology, Seoul National University Hospital, Seoul, Republic of Korea;2. Department of Urology, Seoul Metropolitan Government—Seoul National University Boramae Medical Center, Seoul National University College of Medicine, Seoul, Republic of Korea |
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| Abstract: | In this paper the sweep rate (R = dH/dt) dependence of coercivity is calculated, from these calculations the sweep rate dependence of Hc(R) can be expressed as a power series of ln(R) and the coefficients of the expansion give a useful method of determining the mean anisotropy field of the system. |
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