Quantitative TEM imaging of the magnetostructural and phase transitions in FeRh thin film systems.

ABSTRACT: Equi-atomic FeRh is a very interesting material as it undergoes a magnetostructural transition from an antiferromagnetic (AF) to a ferromagnetic (FM) phase between 75-105 °C. Its ability to present phase co-existence separated by domain walls (DWs) above room temperature provides immense potential for exploitation of their DW motion in spintronic devices. To be able to effectively control the DWs associated with AF/FM coexistence in FeRh thin films we must fully understand the magnetostructural transition and thermomagnetic behaviour of DWs at a localised scale. Here we present a transmission electron microscopy investigation of the transition in planar FeRh thin-film samples by combining differential phase contrast (DPC) magnetic imaging with in situ heating. We perform quantitative measu

SUBMITTER: Almeida TP 

PROVIDER: S-EPMC5736605 | biostudies-literature | 2017 Dec

REPOSITORIES: biostudies-literature