Spin rectification for collinear and non-collinear magnetization and external magnetic field configurations

TL;DR

This paper investigates spin rectification in a ferromagnetic Fe/Au/Fe sandwich, analyzing how different magnetization and magnetic field configurations affect the electrical signals, and extends the theory to include anisotropy effects for better understanding.

Contribution

The study extends spin rectification theory by incorporating magneto-crystalline and shape anisotropy, explaining non-collinear resonances and aligning well with experimental results.

Findings

Analysis of line shape, width, and polarity of signals.

Extended theory explains non-collinear resonances.

Good agreement between theory and experiment.

Abstract

Spin rectification in a single crystal Fe/Au/Fe sandwich is electrically detected for collinear and non-collinear magnetization and external magnetic field configurations. The line shape, line width and signal polarity are analysed. The spin rectication theory has been much extended by taking the magneto-crystalline anisotropy and shape anisotropy into account, which explained non-collinear resonances and agrees very well with experimental data. Thus, a comprehensive understanding of spin rectification in ferromagnetic metal was demonstrated in this work.