Development of Bismuth Ferrite as a Piezoelectric and Multiferroic Material by Cobalt Substitution

Hajime Hojo, Kengo Oka, Keisuke Shimizu, Hajime Yamamoto, Ryo Kawabe, Masaki Azuma

Research output: Contribution to journalArticlepeer-review

55 Citations (Scopus)


Bismuth ferrite (BiFeO3) is the most widely studied multiferroic material with robust ferroelectricity and antiferromagnetic ordering at room temperature. One of the possible device applications of this material is one that utilizes the ferroelectric/piezoelectric property itself such as ferroelectric memory components, actuators, and so on. Other applications are more challenging and make full use of its multiferroic property to realize novel spintronics and magnetic memory devices, which can be addressed electrically as well as magnetically. This progress report summarizes the recent attempt to control the piezoelectric and magnetic properties of BiFeO3 by cobalt substitution.

Original languageEnglish
Article number1705665
JournalAdvanced Materials
Issue number33
Publication statusPublished - 2018 Aug 16
Externally publishedYes


  • multiferroic materials
  • piezoelectric materials
  • polarization rotation
  • weak ferromagnetism

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering


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