Optical investigation of magneto-structural phase transition in FeRh

Abstract

Magneto-structural phase transition in FeRh epitaxial layers was studied optically. It is shown that the transition between the low-temperature antiferromagnetic phase and the high-temperature ferromagnetic phase is accompanied by a rather large change of the optical response in the visible and near infrared spectral ranges. This phenomenon was used to measure the phase transition temperature in FeRh films with thicknesses from 6 to 100 nm and it was observed that the hysteretic transition region broadens significantly in the thinner films.

7 pages, 4 figures

References in corpus (2)

• Room-temperature antiferromagnetic memory resistor
• Spin-orbit coupling induced anisotropy effects in bimetallic antiferromagnets: A route towards antiferromagnetic spintronics

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• Room temperature weak collinear ferrimagnet with symmetry driven, large intrinsic magneto-optic signatures
• Accelerating the laser-induced phase transition in nanostructured FeRh via plasmonic absorption
• Stress-induced Martensitic transformation in epitaxial Ni-Mn-Ga thin films and its correlation to optical and magneto-optical properties