Nonlinear magnetodielectric effect in double-perovskite Gd2NiMnO6

S. H. Oh, H. Y. Choi, J. Y. Moon, M. K. Kim, Y. Jo, N. Lee, Y. J. Choi

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19 Citations (Scopus)


Magnetic and dielectric properties of the double perovskite Gd2NiMnO6 were investigated. Ferromagnetic order of alternating Ni2+ and Mn4+ spins arises below K and an additional order of Gd3+ spins occurs at K. The formation of short-range ferromagnetic clusters accompanied by a Griffiths phase-like feature below K is also suggested. Under the low enough dielectric loss at low temperature regime excluding the influence of the extrinsic effect, a highly nonlinear variation of the dielectric constant was achieved in application of the magnetic fields. Our finding offers an efficient approach to accomplish intrinsically coupled functionality utilizing both magnetic and dielectric quantities.

Original languageEnglish
Article number445001
JournalJournal of Physics D: Applied Physics
Issue number44
Publication statusPublished - 2015 Oct 6

Bibliographical note

Publisher Copyright:
© 2015 IOP Publishing Ltd.

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Acoustics and Ultrasonics
  • Surfaces, Coatings and Films


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