Applied Physics A

, Volume 74, Supplement 1, pp s601–s603

Investigation of magnetic structure evolution in the substitutional solid solution ScxLu(1-x)MnO3

Authors

  • M. Bieringer
    • Institut Laue Langevin, 6 rue Jules Horowitz, 38042 Grenoble, France
  • J.E. Greedan
    • Brockhouse Institute for Materials Research, McMaster University, 1280 Main S.W., Hamilton, Ontario, L8S 4M1, Canada
  • A.S. Wills
    • Institut Laue Langevin, 6 rue Jules Horowitz, 38042 Grenoble, France

DOI: 10.1007/s003390201532

Cite this article as:
Bieringer, M., Greedan, J. & Wills, A. Appl Phys A (2002) 74: s601. doi:10.1007/s003390201532

Abstract.

The hexagonal series AMnO3 (A = Lu, Sc) (space group: P63cm) is an excellent model system for the investigation of magnetic frustration as the magnetic sublattice is made up of edge sharing triangles with nearest neighbour antiferromagnetic exchange. At low temperatures the Mn3+ moments form a 120° long range ordered state. In LuMnO3 (TN=91 K) the magnetic moments are in the ab-plane and perpendicular to the hexagonal axis, whereas ScMnO3 (TN=130 K) undergoes an in-plane spin-reorientation transition below T=70 K. Powder neutron diffraction experiments for the substitutional solid solution ScxLu(1-x)MnO3 (0.0≤x≤1.0) show the evolution of the spin-reorientation as a function of x.

PACS: 75.25.+z; 75.30.Cr; 75.30.Kz
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© Springer-Verlag 2002