A detailed study of the magnetic phase transition in CuCrO2

G. Ehlers; A. A. Podlesnyak; M. Frontzek; R. S. Freitas; L. Ghivelder; J. S. Gardner; S. V. Shiryaev; S. Barilo

doi:10.1088/0953-8984/25/49/496009

A detailed study of the magnetic phase transition in CuCrO₂

G. Ehlers, A. A. Podlesnyak, M. Frontzek, R. S. Freitas, L. Ghivelder, J. S. Gardner, S. V. Shiryaev, S. Barilo

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Abstract

The phase transition in CuCrO₂ to an ordered magnetic state is studied with bulk measurements and elastic and inelastic neutron scattering techniques. The reported onset of spontaneous electric polarization at T = 23.5 K coincides with the appearance, on cooling, of elastic magnetic scattering. At higher temperatures long range magnetic correlations gradually develop but they are dynamic. The ground state is characterized by three-dimensional long range magnetic ordering but along the c direction the correlation length remains limited to ∼200 *.

Original language	English
Article number	496009
Journal	Journal of Physics Condensed Matter
Volume	25
Issue number	49
DOIs	https://doi.org/10.1088/0953-8984/25/49/496009
State	Published - Dec 11 2013

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AU - Ehlers, G.

AU - Podlesnyak, A. A.

AU - Frontzek, M.

AU - Freitas, R. S.

AU - Ghivelder, L.

AU - Gardner, J. S.

AU - Shiryaev, S. V.

AU - Barilo, S.

PY - 2013/12/11

Y1 - 2013/12/11

N2 - The phase transition in CuCrO2 to an ordered magnetic state is studied with bulk measurements and elastic and inelastic neutron scattering techniques. The reported onset of spontaneous electric polarization at T = 23.5 K coincides with the appearance, on cooling, of elastic magnetic scattering. At higher temperatures long range magnetic correlations gradually develop but they are dynamic. The ground state is characterized by three-dimensional long range magnetic ordering but along the c direction the correlation length remains limited to ∼200 *.

AB - The phase transition in CuCrO2 to an ordered magnetic state is studied with bulk measurements and elastic and inelastic neutron scattering techniques. The reported onset of spontaneous electric polarization at T = 23.5 K coincides with the appearance, on cooling, of elastic magnetic scattering. At higher temperatures long range magnetic correlations gradually develop but they are dynamic. The ground state is characterized by three-dimensional long range magnetic ordering but along the c direction the correlation length remains limited to ∼200 *.

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ER -

A detailed study of the magnetic phase transition in CuCrO₂

Abstract

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