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2013 | 124 | 6 | 994-997
Article title

Neutron Diffraction Studies of Tb_2Ni_{2-x}In Intermetallic Compounds

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Abstracts
EN
The magnetic ordering of the Tb_2Ni_{1.78}In and Tb_2Ni_2In have been studied by neutron diffraction measurements. Tb_2Ni_{1.78}In with the tetragonal Mo_2FeB_2-type (space group P4/mbm, tP10) is antiferromagnet with the Néel temperature equal to 20 K. Below this temperature Tb moments form collinear magnetic structure commensurate with the crystal, described by the propagation vectors equal to (1/4, 1/4, 1/2). Magnetic moment equal to 7.60(6) μ_{B} is parallel to c-axis. The Tb_2Ni_2In in the orthorhombic Mn_2 lB_2-type (space group Cmmm, oC10) was detected as an impurity in the studied sample. It orders antiferromagnetically below ≈ 100 K with collinear moment arrangement described by the propagation vector (1/2, 1/2, 1/2). t 1.6 K μ_{Tb} = 6.33(14) μ_{B} and is parallel to the c-axis.
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Contributors
author
  • M. Smoluchowski Institute of Physics, Jagiellonian University, W.S. Reymonta 4, 30-059 Kraków, Poland
author
  • M. Smoluchowski Institute of Physics, Jagiellonian University, W.S. Reymonta 4, 30-059 Kraków, Poland
author
  • Helmholtz-Zentrum Berlin für Materialen und Energie GmbH, Hahn-Meitner Pl. 1, D-14 109 Berlin, Germany
  • Analytical Chemistry Department, Ivan Franko National University of Lviv, Kyryla and Mephodiya, 679005 Lviv, Ukraine
author
  • M. Smoluchowski Institute of Physics, Jagiellonian University, W.S. Reymonta 4, 30-059 Kraków, Poland
author
  • Analytical Chemistry Department, Ivan Franko National University of Lviv, Kyryla and Mephodiya, 679005 Lviv, Ukraine
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Document Type
Publication order reference
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YADDA identifier
bwmeta1.element.bwnjournal-article-appv124n615kz
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