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Electric-Field-Adjustable Time-Dependent Magnetoelectric Response in Martensitic FeRh Alloy

AuthorsFina, Ignasi ; Quintana, Alberto; Padilla Pantoja, Jessica; Martí, Xavier; Macià, Ferran ; Sánchez Barrera, Florencio ; Foerster, Michael; Aballe, Lucía; Fontcuberta, Josep ; Sort Viñas, Jordi
Martensitic alloy
Thin film
Issue Date10-May-2017
PublisherAmerican Chemical Society
CitationACS Applied Materials and Interfaces 9(18): 15577-15582 (2017)
AbstractSteady or dynamic magnetoelectric response, selectable and adjustable by only varying the amplitude of the applied electric field, is found in a multiferroic FeRh/PMN-PT device. In-operando time-dependent structural, ferroelectric, and magnetoelectric characterizations provide evidence that, as in magnetic shape memory martensitic alloys, the observed distinctive magnetoelectric responses are related to the time-dependent relative abundance of antiferromagnetic−ferromagnetic phases in FeRh, unbalanced by voltagecontrolled strain. This flexible magnetoelectric response can be exploited not only for energy-efficient memory operations but also in other applications, where multilevel and/or transient responses are required.
Publisher version (URL)http://dx.doi.org/10.1021/acsami.7b00476
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