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2008 | 113 | 4 | 1185-1192
Article title

Magnetic Structure of RCuIn (R = Nd, Tb, Ho, Er)

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EN
Abstracts
EN
Magnetic and neutron diffraction measurements of RCuIn (R = Nd, Tb, Ho, Er) are reported. The compounds crystallize in the hexagonal ZrNiAl-type structure. The ZrNiAl lattice originates from a distortion of a kagomélattice. The studied compounds are antiferromagnets with the Néel temperature equal to 4.9 K for R = Nd, 14.5 K for R = Tb, 4.5 K for R = Ho and 3.5 K for R = Er. The magnetic ordering is described by the propagation vectorwe k = (1/2, 1/2, k_z) with k_z equal to 0.161(6) for R = Nd, 0.2213(5) for R = Tb, 0.2510(3) for R = Ho and 0 for R = Er. The magnetic structure is noncollinear with magnetic moments in the basal plane for R = Nd, Tb and Ho and collinear with magnetic moments parallel to the c-axis for R = Er. The observed magnetic ordering results from the competition between exchange interactions of the Ruderman-Kittel-Kasuya-Yosida type, the geometrical frustration of the rare-earth magnetic moments and the influence of the crystal electric field. The latter affects the direction of magnetic moments and is responsible for the magnetic crystalline anisotropy.
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Year
Volume
113
Issue
4
Pages
1185-1192
Physical description
Dates
published
2008-04
received
2007-06-03
Contributors
author
  • M. Smoluchowski Institute of Physics, Jagiellonian University, Reymonta 4, 30-059 Kraków, Poland
author
  • M. Smoluchowski Institute of Physics, Jagiellonian University, Reymonta 4, 30-059 Kraków, Poland
  • M. Smoluchowski Institute of Physics, Jagiellonian University, Reymonta 4, 30-059 Kraków, Poland
author
  • M. Smoluchowski Institute of Physics, Jagiellonian University, Reymonta 4, 30-059 Kraków, Poland
author
  • M. Smoluchowski Institute of Physics, Jagiellonian University, Reymonta 4, 30-059 Kraków, Poland
author
  • BENSC, Hahn-Meitner Institute, Berlin-Wannsee, Glienicker Str. 100, D-14-109 Berlin, Germany
author
  • BENSC, Hahn-Meitner Institute, Berlin-Wannsee, Glienicker Str. 100, D-14-109 Berlin, Germany
author
  • Department of Inorganic Chemistry, Ivan Franko National University of Lviv,, Kyryla and Mefodiya 6, UA-79005 Lviv, Ukraine
References
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  • 4. G. Ehlers, Ph.D. Thesis, Technische Universität Berlin, 1996
  • 5. J. Rodriguez-Carvajal, Program FullProf, Lab. Leon Brillouin, CEA-CNRS, 2000
  • 6. A. Szytuła, W. Bażela,Ł. Gondek, T. Jaworska-Gołąb, B. Penc, N. Stűsser, A. Zygmunt, J. Alloys Comp. 336, 11 (2002)
  • 7.Ł. Gondek, A. Szytuła, M. Bałanda, W. Warkocki, A. Szewczyk, M. Gutowska, Solid State Commun. 136, 26 (2005)
  • 8. A. Szytuła, Yu. Tyvanchuk, A. Zarzycki, T. Jaworska-Gołąb, Ya. Kalychak, in: Proc. IX Int. Conf. on Crystal Chemistry of Intermetallic Compounds, Lviv 2005, p. 130
Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv113n409kz
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