Theoretical analysis reveals optimal pulse parameters for fast inertialess magnetization switching in memory cells, indicating viable routes toward ultra-fast data storage.
We study the process of controlling the states of a magnetic memory cell by a pulsed magnetic field. The magnetization dynamics of such a system is described by the Landau-Lifshitz equation. We find the optimal parameters of time dependence, amplitude and duration of magnetic field pulses created by currents in the control system, which provide a fast inertialess process of switching the magnetization of the functional element of the cell.
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Dzhezherya et al. (2024) studied this question.
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