Magnetoelastic coupling in multiferroic Ni3 V2 O8

L. I. Vergara, J. Cao, N. Rogado, Y. Q. Wang, R. P. Chaudhury, R. J. Cava, B. Lorenz, J. L. Musfeldt

Research output: Contribution to journalArticlepeer-review

18 Scopus citations


We measured the infrared-active vibrational modes of the Kagomé staircase compound Ni3 V2 O8 as a function of temperature to elucidate magnetoelastic interactions and local structure changes through the series of magnetic-ordering transitions. A detailed analysis of frequency-shift trends demonstrates that the phonons are sensitive to different magnetic states, indicating that the lattice is flexible and coupled to the spin system. Combining this data with an analysis of displacement patterns, we discuss the local distortions in the ferroelectric phase.

Original languageEnglish (US)
Article number052303
JournalPhysical Review B - Condensed Matter and Materials Physics
Issue number5
StatePublished - Aug 27 2009

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics


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