Antiferromagnets with tunable phase transitions are promising for future spintronics applications. We investigated spin-dependent transport properties of FeRh thin films, which show a temperature driven antiferromagnetic-to-ferromagnetic phase transition. Epitaxial FeRh films grown on MgO (001) substrates exhibit a clear magnetic and electronic phase transition. By performing anomalous Hall and anomalous Nernst effect measurements over a wide range of temperatures, we demonstrate that the thermally driven transition shows distinctly different transverse transport on both side of the phase transition. Particularly, a sign change of both anomalous Hall and Nernst signals is observed.
@article{arxiv.2012.14383,
title = {Anomalous Hall and Nernst Effects in FeRh},
author = {Hilal Saglam and Changjiang Liu and Yi Li and Joseph Sklenar and Jonathan Gibbons and Deshun Hong and Vedat Karakas and John E. Pearson and Ozhan Ozatay and Wei Zhang and Anand Bhattacharya and Axel Hoffmann},
journal= {arXiv preprint arXiv:2012.14383},
year = {2020}
}