Magnetic ordering in rare earth iron silicides and germanides of the RFe2X2 type

I. Felner; I. Mayer; A. Grill; M. Schieber

doi:10.1016/0038-1098(75)90640-7

Magnetic ordering in rare earth iron silicides and germanides of the RFe₂X₂ type

I. Felner^*, I. Mayer, A. Grill, M. Schieber

^*Corresponding author for this work

Racah Institute of Physics

Research output: Contribution to journal › Article › peer-review

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Abstract

Rare earth iron silicides and germanides of the RFe₂Si₂ or RFe₂Ge₂ type with R = La, Ce, Pr, Nd, Sm, Gd and Dy were measured for their magnetic susceptibility. The silicides and germanides of Nd and Gd are antiferromagnetically ordered below a Neel point of, respectively, 11 and 7°K for the silicides and 13 and 11 for the germanides. The Nd sublattice under-goes a spin-flop transition which at 4.2°K is at 11 KOe. Although the Fe sublattice is diamagnetic, all the samples showed a weak ferromagnetic ordering below a temperature of about 700°K. The ratio between the dia- and ferromagnetic phases is 94:6 per cent in the silicides and 80:20 in the germanides, as determined by Mössbauer spectroscopy and supported by magnetization measurements.

Original language	English
Pages (from-to)	1005-1009
Number of pages	5
Journal	Solid State Communications
Volume	16
Issue number	8
DOIs	https://doi.org/10.1016/0038-1098(75)90640-7
State	Published - 15 Apr 1975

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abstract = "Rare earth iron silicides and germanides of the RFe2Si2 or RFe2Ge2 type with R = La, Ce, Pr, Nd, Sm, Gd and Dy were measured for their magnetic susceptibility. The silicides and germanides of Nd and Gd are antiferromagnetically ordered below a Neel point of, respectively, 11 and 7°K for the silicides and 13 and 11 for the germanides. The Nd sublattice under-goes a spin-flop transition which at 4.2°K is at 11 KOe. Although the Fe sublattice is diamagnetic, all the samples showed a weak ferromagnetic ordering below a temperature of about 700°K. The ratio between the dia- and ferromagnetic phases is 94:6 per cent in the silicides and 80:20 in the germanides, as determined by M{\"o}ssbauer spectroscopy and supported by magnetization measurements.",

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T1 - Magnetic ordering in rare earth iron silicides and germanides of the RFe2X2 type

AU - Felner, I.

AU - Mayer, I.

AU - Grill, A.

AU - Schieber, M.

PY - 1975/4/15

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N2 - Rare earth iron silicides and germanides of the RFe2Si2 or RFe2Ge2 type with R = La, Ce, Pr, Nd, Sm, Gd and Dy were measured for their magnetic susceptibility. The silicides and germanides of Nd and Gd are antiferromagnetically ordered below a Neel point of, respectively, 11 and 7°K for the silicides and 13 and 11 for the germanides. The Nd sublattice under-goes a spin-flop transition which at 4.2°K is at 11 KOe. Although the Fe sublattice is diamagnetic, all the samples showed a weak ferromagnetic ordering below a temperature of about 700°K. The ratio between the dia- and ferromagnetic phases is 94:6 per cent in the silicides and 80:20 in the germanides, as determined by Mössbauer spectroscopy and supported by magnetization measurements.

AB - Rare earth iron silicides and germanides of the RFe2Si2 or RFe2Ge2 type with R = La, Ce, Pr, Nd, Sm, Gd and Dy were measured for their magnetic susceptibility. The silicides and germanides of Nd and Gd are antiferromagnetically ordered below a Neel point of, respectively, 11 and 7°K for the silicides and 13 and 11 for the germanides. The Nd sublattice under-goes a spin-flop transition which at 4.2°K is at 11 KOe. Although the Fe sublattice is diamagnetic, all the samples showed a weak ferromagnetic ordering below a temperature of about 700°K. The ratio between the dia- and ferromagnetic phases is 94:6 per cent in the silicides and 80:20 in the germanides, as determined by Mössbauer spectroscopy and supported by magnetization measurements.

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Magnetic ordering in rare earth iron silicides and germanides of the RFe₂X₂ type

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