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

Ignasi Fina, Alberto Quintana, Jessica Padilla-Pantoja, Xavier Martí, Ferran Macià, Florencio Sánchez, Michael Foerster, Lucia Aballe, Josep Fontcuberta, Jordi Sort

Research output: Contribution to journalArticleResearchpeer-review

18 Citations (Scopus)

Abstract

© 2017 American Chemical Society. Steady 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 voltage-controlled 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.
Original languageEnglish
Pages (from-to)15577-15582
JournalACS applied materials & interfaces
Volume9
Issue number18
DOIs
Publication statusPublished - 10 May 2017

Keywords

  • magnetoelectric
  • martensitic alloy
  • multiferroic
  • piezoelectric
  • thin film

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