Abstract
This article presents a majority-logic device, called sttMAJ, based on spin-transfer torque magnetic tunnel junctions (STT-MTJs). sttMAJ devices make it possible to build Boolean and non-Boolean circuits without any transistors. We leverage a physics-based model of sttMAJ device to the design of different highly scalable current-mode logic circuits and neuromorphic-computing/image-processing applications. The functionality of sttMAJ-based circuits is verified using the SPICE circuit simulator. The simulation results reveal that the gate device not only provides a simple and powerful structure (in terms of implementing digital functions and image-processing applications with a small number of devices) but also offers high performance due to its better electrical properties.
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