Maximizing Spin Torque Diode Voltage by Optimizing Magnetization Alignment
Tomohiro Taniguchi, Hiroshi Imamura
TL;DR
This paper derives the optimal magnetization alignment to significantly enhance spin torque diode voltage, showing it can be ten times larger than conventional setups, with analytical results validated by simulations.
Contribution
It provides an analytical method to optimize magnetization alignment for maximum diode voltage, a novel approach in spintronics.
Findings
Optimized alignment increases diode voltage tenfold.
Analytical predictions match numerical simulations.
Maximum voltage achieved when magnetizations are optimally aligned.
Abstract
The optimum condition of the magnetization alignment to maximize the spin torque diode voltage is derived by solving the Landau-Lifshitz-Gilbert equation. We show that the optimized diode voltage can be one order of magnitude larger than that of the conventional alignment where the easy axes of the free and the pinned layers are parallel. These analytical predictions are confirmed by numerical simulations.
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