Abstract
We present cmtj—a simulation package for large-scale macrospin analysis of multilayer spintronics devices. Apart from conventional simulations, such as magnetoresistance and magnetisation hysteresis loops, cmtj implements a mathematical model of dynamic experimental techniques commonly used for spintronics devices characterisation, for instance: spin diode ferromagnetic resonance, pulse-induced microwave magnetometry, or harmonic Hall voltage measurements. We find that macrospin simulations offer a satisfactory level of agreement, demonstrated by a variety of examples. As a unified simulation package, cmtj aims to accelerate wide-range parameter search in the process of optimising spintronics devices.
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