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Near room-temperature multiferroic materials with tunable ferromagnetic and electrical properties

Author

Listed:
  • Hong Jian Zhao

    (Laboratory of Dielectric Materials, Zhejiang University
    Institute for Nanoscience and Engineering, University of Arkansas
    University of Arkansas)

  • Wei Ren

    (Shanghai University)

  • Yurong Yang

    (Institute for Nanoscience and Engineering, University of Arkansas
    University of Arkansas)

  • Jorge Íñiguez

    (Institut de Ciència de Materials de Barcelona (ICMAB-CSIC), Campus UAB)

  • Xiang Ming Chen

    (Laboratory of Dielectric Materials, Zhejiang University)

  • L. Bellaiche

    (Institute for Nanoscience and Engineering, University of Arkansas
    University of Arkansas)

Abstract

The quest for multiferroic materials with ferroelectric and ferromagnetic properties at room temperature continues to be fuelled by the promise of novel devices. Moreover, being able to tune the electrical polarization and the paramagnetic-to-ferromagnetic transition temperature constitutes another current research direction of fundamental and technological importance. Here we report on the first-principles-based prediction of a specific class of materials—namely, R2NiMnO6/La2NiMnO6 superlattices where R is a rare-earth ion—that exhibit an electrical polarization and strong ferromagnetic order near room temperature, and whose electrical and ferromagnetic properties can be tuned by means of chemical pressure and/or epitaxial strain. Analysis of the first-principles results naturally explains the origins of these highly desired features.

Suggested Citation

  • Hong Jian Zhao & Wei Ren & Yurong Yang & Jorge Íñiguez & Xiang Ming Chen & L. Bellaiche, 2014. "Near room-temperature multiferroic materials with tunable ferromagnetic and electrical properties," Nature Communications, Nature, vol. 5(1), pages 1-7, September.
    • Handle: RePEc:nat:natcom:v:5:y:2014:i:1:d:10.1038_ncomms5021
    DOI: 10.1038/ncomms5021
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