Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 12, Issue 13, Pages 15389-15395Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsami.0c00704
Keywords
flexible electronics; FeRh; flexible magnets; thin films; antiferromagnetic spintronics
Funding
- Spanish Ministry of Economy and Competitiveness, through the Severo Ochoa Programme for Centres of Excellence in RD [SEV-2015-0496]
- Generalitat de Catalunya [2017 SGR 1377]
- European Union [665919]
- RyC contract [RYC-2017-22531]
- [RTI2018-095303-B-C53]
- [MAT2017-85232-R]
- [MAT201573839-JIN]
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The antiferromagnetic to ferromagnetic transition occurring above room temperature in FeRh is attracting interest for applications in spintronics, with perspectives for robust and untraceable data storage. Here, we show that FeRh films can be grown on a flexible metallic substrate (tape shaped), coated with a textured rock-salt MgO layer, suitable for large-scale applications. The FeRh tape displays a sharp antiferromagnetic to ferromagnetic transition at about 90 degrees C. Its magnetic properties are preserved by bending (radii of 300 mm), and their anisotropic magnetoresistance (up to 0.05%) is used to illustrate data writing/reading capability.
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