Ferromagnetism at Room Temperature Induced by Spin Structure Change in BiFe1−xCoxO3 Thin Films

Hajime Hojo, Ryo Kawabe, Keisuke Shimizu, Hajime Yamamoto, Ko Mibu, Kartik Samanta, Tanusri Saha-Dasgupta, Masaki Azuma

Research output: Contribution to journalArticlepeer-review

23 Citations (Scopus)


Researchers conducted a study to demonstrate ferromagnetism at room temperature (RT) induced by spin structure change in BiFe1-x CoxO3 (BFCO) thin films. They chose the SrTiO3 as the substrates to stabilize BFCO films with the rhombohedral structure, which was the crystal structure of bulk BFCO. Epitaxial BFCO films were fabricated by using pulsed laser deposition (PLD). The researchers also set the thickness to 200 nm to obtain fully relaxed films.

Original languageEnglish
Article number1603131
JournalAdvanced Materials
Issue number9
Publication statusPublished - 2017 Mar 7
Externally publishedYes


  • bismuth ferrite
  • epitaxial thin films
  • multiferroic materials
  • spin structure change
  • weak ferromagnetism

ASJC Scopus subject areas

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


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