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

doi:10.1103/PhysRevB.80.052303

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

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18 Scopus citations

Abstract

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 language	English (US)
Article number	052303
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	80
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevB.80.052303
State	Published - Aug 27 2009

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1103/PhysRevB.80.052303

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title = "Magnetoelastic coupling in multiferroic Ni3 V2 O8",

abstract = "We measured the infrared-active vibrational modes of the Kagom{\'e} 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.",

author = "Vergara, {L. I.} and J. Cao and N. Rogado and Wang, {Y. Q.} and Chaudhury, {R. P.} and Cava, {R. J.} and B. Lorenz and Musfeldt, {J. L.}",

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AU - Vergara, L. I.

AU - Cao, J.

AU - Rogado, N.

AU - Wang, Y. Q.

AU - Chaudhury, R. P.

AU - Cava, R. J.

AU - Lorenz, B.

AU - Musfeldt, J. L.

PY - 2009/8/27

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N2 - 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.

AB - 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.

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Magnetoelastic coupling in multiferroic Ni3 V2 O8

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