On the ferromagnetism of AuMnSn

The ferromagnetic ordering of the Heusler-related alloy AuMnSn has been verified by powder neutron diffraction. The cubic AlLiSi-type crystal structure of AuMnSn [ a=634.12(11) pm at 298 K, Au in 4 c, Mn in 4 b, Sn in 4 a of F4̄3 m] has been confirmed. Contrary to the indications from the preceding...

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Veröffentlicht in:	Journal of alloys and compounds 1999-06, Vol.288 (1), p.117-119
Hauptverfasser:	Offernes, Laila, Neumann Torgersen, Alexandra, Brinks, H.W, Kjekshus, A, Hauback, B
Format:	Artikel
Sprache:	eng
Schlagworte:	Alloys Applied sciences Condensed matter: electronic structure, electrical, magnetic, and optical properties Condensed matter: structure, mechanical and thermal properties Exact sciences and technology Ferromagnetism Intermetallics Magnetic properties and materials Metals. Metallurgy Neutron diffraction Physics Spin arrangements in magnetically ordered materials (including neutron and spin-polarized electron studies, synchrotron-source x-ray scattering, etc.) Structure of solids and liquids crystallography Structure of specific crystalline solids
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Beschreibung
Zusammenfassung:	The ferromagnetic ordering of the Heusler-related alloy AuMnSn has been verified by powder neutron diffraction. The cubic AlLiSi-type crystal structure of AuMnSn [ a=634.12(11) pm at 298 K, Au in 4 c, Mn in 4 b, Sn in 4 a of F4̄3 m] has been confirmed. Contrary to the indications from the preceding single-crystal X-ray diffraction study of AuMnSn the powder neutron diffraction data gave no evidence for intermixing of Mn and Sn on the 4 b and 4 a sites. The ordered magnetic moments are confined to the Mn atoms and their size at 298 K is μ F,Mn=3.62(7) μ B.
ISSN:	0925-8388 1873-4669
DOI:	10.1016/S0925-8388(99)00111-5