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Magnetic and Transport Properties of Ferromagnet NdCrSb₃

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Laura Deakin, Michael J. Ferguson,^† and Arthur Mar*

Department of Chemistry, University of Alberta, Edmonton, Alberta, Canada T6G 2G2

John E. Greedan* and Andrew S. Wills

Brockhouse Institute for Materials Research, McMaster University, Hamilton, Ontario, Canada L8S 4M1

Chem. Mater., 2001, 13 (4), pp 1407–1412

DOI: 10.1021/cm001405l

Publication Date (Web): March 9, 2001

Abstract

NdCrSb₃, a compound containing alternating layers of Nd and Cr atoms in its structure, undergoes two ferromagnetic ordering transitions. At 107.8 K, ferromagnetic ordering of the Cr moments occurs; at 12.7 K, ferromagnetic ordering of the Nd and Cr moments occurs. Neutron diffraction studies place the magnetization axis for the ordered Cr moments along [010], and for the coupled Nd and Cr moments along [100]. These transitions are also observed in the temperature dependence of the dc magnetization, and as maxima in the χ‘_ac and χ‘ ‘_ac magnetic susceptibilities. Hysteresis loops at 2 and 40 K revealed saturation magnetization values of 3.70 and 2.37 μ_B/f.u. and coercive fields of 2100 and 400 Oe, respectively. The saturation magnetization of 3.7 μ_B at 2 K is the same as that determined from neutron diffraction studies. Both ferromagnetic ordering transitions are manifested as kinks in the temperature dependence of the electrical resistivity. Field-dependent resistivity measurements made between 2 and 130 K indicate negative magnetoresistance behavior with values up to −13%.

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This article has been cited by 4 ACS Journal articles (4 most recent appear below).

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  Abstract | Full Text HTML | Hi-Res PDF | PDF w/ Links
Synthesis, Structure, and Magneto-transport of LnNi_1-_xSb₂ (Ln = Y, Gd−Er)
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- Synthesis, Structure, and Magneto-transport of LnNi_1-_xSb₂ (Ln = Y, Gd−Er)
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  Abstract | Full Text HTML | Hi-Res PDF | PDF w/ Links
Structure and Physical Properties of Ternary Antimonide YbCrSb₃
Shane J. Crerar, Laura Deakin, and Arthur Mar
Chemistry of Materials2005 17 (10), 2780-2784
- Structure and Physical Properties of Ternary Antimonide YbCrSb₃
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  Chemistry of Materials2005 17 (10), 2780-2784
  The ternary rare-earth antimonide YbCrSb3 was prepared by arc-melting of the elements. Its structure was determined by single-crystal X-ray diffraction (Pearson symbol oP20, orthorhombic, space group Pbcm, Z = 4, a = 12.981(3) Å, b = 6.140(1) Å, c = 5.993(...
  Abstract | Full Text HTML | Hi-Res PDF | PDF w/ Links
Magnetic Properties and Magnetoresistance of GdCrSb₃
Laura Deakin and Arthur Mar
Chemistry of Materials2003 15 (17), 3343-3346
- Magnetic Properties and Magnetoresistance of GdCrSb₃
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  Chemistry of Materials2003 15 (17), 3343-3346
  GdCrSb3 is an intermetallic compound with a structure containing alternating layers of Gd and Cr atoms. It undergoes long-range magnetic ordering at 92 K, as revealed by dc and ac magnetic susceptibility measurements, concomitant with a transition in the ...
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