The Japan Society of Applied Physics

2023 International Conference on Solid State Devices and Materials

2023 International Conference on Solid State Devices and Materials

2023年9月5日 〜 2023年10月31日
Nagoya Congress Center

13:40 〜 13:42

[SO-PS-09-06] Anisotropic Magnetoresistance of FeRh across the Magnetic Phase Transition

○Woonjae Won1, Min Tae Park2, Taekhyeon Lee1, Jong-Ryul Jeong3, Myung Hwa Jung2, Kab-Jin Kim1 (1. KAIST (Korea), 2. Sogang Univ. (Korea), 3. Chungnam National Univ. (Korea))

This research focuses on the anisotropic magnetoresistance (AMR) of FeRh, a fascinating metal exhibiting a hysteretic phase transition between antiferromagnetic (AFM) and ferromagnetic (FM) states above room temperature. By reproducing the phase diagram, we investigated the AMR across various temperatures and applied magnetic fields. Our findings reveal that the applied magnetic field dependence of AMR in the AFM state is different from that in FM. Furthermore, we partially measured the AMR during the phase transition, shedding light on its behavior in this critical regime.