Modeling the thickness dependence of the magnetic phase transition temperature in thin FeRh films

Ostler, Thomas Andrew; Barton, Craig; Thomson, Thomas; Hrkac, Gino

Abstract

FeRh and its first-order phase transition can open new routes for magnetic hybrid materials and devices under the assumption that it can be exploited in ultra-thin-film structures. Motivated by experimental measurements showing an unexpected increase in the phase transition temperature with decreasing thickness of FeRh on top of MgO, we develop a computational model to investigate strain effects of FeRh in such magnetic structures. Our theoretical results show that the presence of the MgO interface results in a strain that changes the magnetic configuration which drives the anomalous behavior.

Citation

Ostler, T. A., Barton, C., Thomson, T., & Hrkac, G. (2017). Modeling the thickness dependence of the magnetic phase transition temperature in thin FeRh films. Physical Review B, 95(6), Article 064415. https://doi.org/10.1103/PhysRevB.95.064415

• Journal Article Type: Article
• Acceptance Date: Jan 20, 2017
• Online Publication Date: Feb 16, 2017
• Publication Date: Feb 1, 2017
• Deposit Date: Jun 15, 2022
• Journal: Physical Review B
• Print ISSN: 2469-9950
• Electronic ISSN: 2469-9969
• Publisher: American Physical Society
• Peer Reviewed: Peer Reviewed
• Volume: 95
• Issue: 6
• Article Number: 064415
• DOI: https://doi.org/10.1103/PhysRevB.95.064415
• Public URL: https://hull-repository.worktribe.com/output/4014690