Mössbauer study of the RENiSnD (RE: Pr, Nd) monodeuterides

NdNiSnD and PrNiSnD monodeuterides have been studied by 119 Sn Mössbauer spectroscopy at variable temperatures between 4.2 and 300 K. Deuterium insertion into the RE 3Ni sites induces at low temperatures a magnetic splitting of the tin nuclear levels. Slightly different magnetic ordering temperature...

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Bibliographic Details
Published in:Journal of alloys and compounds 2004-03, Vol.366 (1), p.81-85
Main Authors: Spataru, T, Principi, G, Kuncser, V, Keune, W, Yartys, V.A
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Crystal structure and symmetry
Exact sciences and technology
Gas–solid reactions
Intermetallics
Magnetic properties and materials
Magnetic resonances and relaxations in condensed matter, mössbauer effect
Mössbauer effect
other γ-ray spectroscopy
Mössbauer spectroscopy
Physics
Spin arrangements in magnetically ordered materials (including neutron and spin-polarized electron studies, synchrotron-source x-ray scattering, etc.)
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Summary:NdNiSnD and PrNiSnD monodeuterides have been studied by 119 Sn Mössbauer spectroscopy at variable temperatures between 4.2 and 300 K. Deuterium insertion into the RE 3Ni sites induces at low temperatures a magnetic splitting of the tin nuclear levels. Slightly different magnetic ordering temperatures, 25(1) and 20(1) K, were evidenced for the Nd- and Pr-containing deuterides, respectively. The Mössbauer spectra suggest a similar type of local structures for both compounds, with a mutual substitution of Sn and Ni atoms. The magnetic behaviour is discussed in relation to the different spin waves mechanisms.
ISSN:0925-8388
1873-4669
DOI:10.1016/S0925-8388(03)00744-8