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Effects of piezoelectric-poling-induced strain on the magnetic properties of FeBSiC/PMN-PT (001) multiferroic heterostructures

  • Maocai Wei
  • , Meiya Li
  • , Yongdan Zhu
  • , Meng Zhao
  • , Qiangwen Wang
  • , Feng Zhang
  • , Yuan Zhang
  • , Zhongqiang Hu
  • , Renhui Jiang
  • , Dongshan Zhao
  • Wuhan University
  • Hubei University for Nationalities
  • Northeastern University

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

Amorphous FeBSiC thin films were deposited on PMN-PT (Pb(Mg1/3Nb2/3)O3-PbTiO3)(001) single crystal substrate by DC magnetron sputtering. The effects of piezoelectric-poling-induced strain on the magnetic properties of the FeBSiC/PMN-PT heterostructures were investigated. Studies indicated that the non-linear strains in PMN-PT were induced by poling at different electric fields, with tensile strain for out-of-plane direction and compressive strain for in-plane direction, respectively. Moreover, the in-plane compressive strain increased the saturation magnetization of the FeBSiC thin film, while the out-of-plane tensile strain decreased it. These results could be attributed to the 109°ferroelastic domain switching at applied electric field, which induced large variation in magnetic anisotropy due to magnetoelectric coupling in the FeBSiC/PMN-PT heterostructures. This study demonstrates the non-volatile tuning of magnetism by non-linear strains of lattice induced by the piezoelectric-poling, which shows promising applications for energy efficient magnetoelectric devices.

Original languageEnglish
Pages (from-to)96-100
Number of pages5
JournalJournal of Alloys and Compounds
Volume676
DOIs
StatePublished - 15 Aug 2016
Externally publishedYes

Keywords

  • FeBSiC
  • Ferroelectric-poling-inducing
  • Magnetism modulation by electric field
  • Magnetoelectric effect
  • Non-linear lattice strain
  • PMN-PT

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