Magnetism and thermal expansion anomaly of RMn2 (R=Y, Gd, Tb, Ho and Er

M. Shiga; H. Wada; Y. Nakamura

doi:10.1016/0304-8853(83)90179-8

Magnetism and thermal expansion anomaly of RMn₂ (R=Y, Gd, Tb, Ho and Er

M. Shiga, H. Wada, Y. Nakamura

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

65 Citations (Scopus)

Abstract

The thermal expansion of RMn₂ (R=Y, Gd, Tb, Ho and Er) has been measured from 4.2 K up to room temperature. Distinct thermal expansion anomalies due to spontaneous volume magnetostriction, ω_s, were found for YMn₂, GdMn₂ and TbMn₂, which may be ascribed to the collapse of Mn moments. From susceptibility, neutron and NMR diffraction measurements, we have revealed that YMn₂ is an antiferromagnet with μ_Mn=2.7 μ_B and T_N ≃ 100 K.

Original language	English
Pages (from-to)	119-120
Number of pages	2
Journal	Journal of Magnetism and Magnetic Materials
Volume	31-34
Issue number	PART 1
DOIs	https://doi.org/10.1016/0304-8853(83)90179-8
Publication status	Published - Jan 1 1983
Externally published	Yes

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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abstract = "The thermal expansion of RMn2 (R=Y, Gd, Tb, Ho and Er) has been measured from 4.2 K up to room temperature. Distinct thermal expansion anomalies due to spontaneous volume magnetostriction, ωs, were found for YMn2, GdMn2 and TbMn2, which may be ascribed to the collapse of Mn moments. From susceptibility, neutron and NMR diffraction measurements, we have revealed that YMn2 is an antiferromagnet with μMn=2.7 μB and TN ≃ 100 K.",

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AU - Shiga, M.

AU - Wada, H.

AU - Nakamura, Y.

PY - 1983/1/1

Y1 - 1983/1/1

N2 - The thermal expansion of RMn2 (R=Y, Gd, Tb, Ho and Er) has been measured from 4.2 K up to room temperature. Distinct thermal expansion anomalies due to spontaneous volume magnetostriction, ωs, were found for YMn2, GdMn2 and TbMn2, which may be ascribed to the collapse of Mn moments. From susceptibility, neutron and NMR diffraction measurements, we have revealed that YMn2 is an antiferromagnet with μMn=2.7 μB and TN ≃ 100 K.

AB - The thermal expansion of RMn2 (R=Y, Gd, Tb, Ho and Er) has been measured from 4.2 K up to room temperature. Distinct thermal expansion anomalies due to spontaneous volume magnetostriction, ωs, were found for YMn2, GdMn2 and TbMn2, which may be ascribed to the collapse of Mn moments. From susceptibility, neutron and NMR diffraction measurements, we have revealed that YMn2 is an antiferromagnet with μMn=2.7 μB and TN ≃ 100 K.

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