Magnetic structure of Dy3+ in hexagonal multiferroic DyMnO3

S. Nandi, A. Kreyssig, J. Q. Yan, M. D. Vannette, J. C. Lang, L. Tan, J. W. Kim, R. Prozorov, T. A. Lograsso, R. J. McQueeney, and A. I. Goldman
Phys. Rev. B 78, 075118 – Published 22 August 2008

Abstract

Element specific x-ray resonant magnetic scattering (XRMS) investigations were undertaken to determine the magnetic structure of the multiferroic compound, hexagonal DyMnO3. In the temperature range from 68 K down to 8 K the Dy3+ moments are aligned and antiferromagnetically correlated in the c direction according to the magnetic representation Γ3. The temperature dependence of the observed intensity can be modeled assuming the splitting of ground-state doublet crystal-field levels of Dy3+ by the exchange field of Mn3+. XRMS together with magnetization measurements indicate that the magnetic representation is Γ2 below 8 K.

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  • Received 25 June 2008

DOI:https://doi.org/10.1103/PhysRevB.78.075118

©2008 American Physical Society

Authors & Affiliations

S. Nandi1,2, A. Kreyssig1,2, J. Q. Yan1,2, M. D. Vannette1,2, J. C. Lang3, L. Tan1,2, J. W. Kim1,2, R. Prozorov1,2, T. A. Lograsso1, R. J. McQueeney1,2, and A. I. Goldman1,2

  • 1Ames Laboratory, U.S. DOE, Ames, Iowa 50011, USA
  • 2Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, USA
  • 3Advanced Photon Source, Argonne National Laboratory, Argonne, Illinois 60439, USA

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Issue

Vol. 78, Iss. 7 — 15 August 2008

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