Journal
APPLIED PHYSICS LETTERS
Volume 115, Issue 14, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.5112093
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- Antiferromagnetic proximity effect and development of epitaxial bimetallic antiferromagnets two routes towards next-generation spintronics project - European Union under the European Regional Development Fund
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In our study, we examined the chemical and magnetic properties of FeO in an epitaxial Fe/MgO(d(MgO))/FeO trilayer for different MgO thicknesses, d(MgO). Analysis of the chemical structure revealed a stoichiometry improvement in the FeO layer in Fe/MgO/FeO in comparison with a Fe/FeO bilayer. Furthermore, we showed that deposition of a subtle MgO layer at the Fe/FeO interface results in an enhanced exchange interaction between Fe and FeO. For d(MgO) = 1.4 angstrom, we noted a 200% enhancement in the exchange bias in Fe/MgO/FeO compared to that in Fe/FeO.
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