Converse magnetoelectric coupling in NiFe/Pb(Mg1/3Nb 2/3)O3-PbTiO3 nanocomposite thin films grown on Si substrates

Ming Feng, Jiamian Hu, Jianjun Wang, Zheng Li, Li Shu, C. W. Nan

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Multiferroic NiFe (∼30 nm)/Pb(Mg1/3Nb2/3)O 3-PbTiO3(PMN-PT, ∼220 nm) bilayered thin films were grown on common Pt/Ti/SiO2/Si substrates by a combination of off-axis magnetron sputtering and sol-gel spin-coating technique. By using AC-mode magneto-optical Kerr effect technique, the change in the Kerr signal (magnetization) of the NiFe upon applying a low-frequency AC voltage to the PMN-PT film was in situ acquired at zero magnetic field. The obtained Kerr signal versus voltage loop essentially tracks the electromechanical strain curve of the PMN-PT thin film, clearly demonstrating a strain-mediated converse magnetoelectric coupling, i.e., voltage-modulated magnetization, in the NiFe/PMN-PT nanocomposite thin films.

Original languageEnglish (US)
Article number192903
JournalApplied Physics Letters
Issue number19
StatePublished - Nov 4 2013

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)


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