Neutron powder diffraction determination of the magnetic structure of Nd2Al

J. M. Cadogan; M. Avdeev; P. Kumar; K. Suresh; D. H. Ryan

doi:10.1088/1742-6596/303/1/012026

Neutron powder diffraction determination of the magnetic structure of Nd₂Al

J. M. Cadogan, M. Avdeev, P. Kumar, K. Suresh, D. H. Ryan

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

Abstract

We have determined the magnetic structure of Nd₂Al by neutron powder diffraction. This orthorhombic intermetallic compound orders ferromagnetically below 36 K with the Nd moments aligned along the b-axis. Even at 1.7 K, the larger of the two Nd moments is only 2.3(2) μ_B, about 70% of the 'free-ion' value of 3.27 μ_B. This reduction is a consequence of the substantial crystal-field effects at the Nd³⁺ sites.

Original language	English
Article number	012026
Journal	Journal of Physics: Conference Series
Volume	303
Issue number	1
DOIs	https://doi.org/10.1088/1742-6596/303/1/012026
State	Published - 2011
Externally published	Yes

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abstract = "We have determined the magnetic structure of Nd2Al by neutron powder diffraction. This orthorhombic intermetallic compound orders ferromagnetically below 36 K with the Nd moments aligned along the b-axis. Even at 1.7 K, the larger of the two Nd moments is only 2.3(2) μB, about 70% of the 'free-ion' value of 3.27 μB. This reduction is a consequence of the substantial crystal-field effects at the Nd3+ sites.",

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AB - We have determined the magnetic structure of Nd2Al by neutron powder diffraction. This orthorhombic intermetallic compound orders ferromagnetically below 36 K with the Nd moments aligned along the b-axis. Even at 1.7 K, the larger of the two Nd moments is only 2.3(2) μB, about 70% of the 'free-ion' value of 3.27 μB. This reduction is a consequence of the substantial crystal-field effects at the Nd3+ sites.

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Neutron powder diffraction determination of the magnetic structure of Nd₂Al

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