Abstract
Magnetic tunnel junctions with free layer thermally stabilized by the combined action of perpendicular magneto-crystalline and shape anisotropy are considered. The spin-transfer torque driven switching dynamics is studied. Analytical formulas for switching time statistical distributions and write-error rate are derived under the assumption of ballistic dynamics. The analytical results are compared with full micromagnetic and macrospin simulations based on stochastic Landau-Lifshitz-Gilbert-Slonczewski equation. This comparison reveals quantitative agreement with the proposed analytical theory.
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