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Mössbauer study of LaNiSn and NdNiSn compounds and their deuterides |
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| Authors: | P. Palade G. Principi T. Spataru P. Blaha K. Schwarz V. Kuncser S. Lo Russo S. Dal Toé V. A. Yartys |
| Affiliation: | 1.INFM and Settore Materiali-DIM, Universit? di Padova;2.INFM and Settore Materiali-DIM, Universit? di Padova;3.INFM and Settore Materiali-DIM, Universit? di Padova;4.Institute of Materials Chemistry, Vienna University of Technology;5.Institute of Materials Chemistry, Vienna University of Technology;6.National Institute for Physics of Materials;7.INFM and Dipartimento di Fisica, Universit? di Padova;8.INFM and Dipartimento di Fisica, Universit? di Padova;9.Institute for Energy Technology |
| Abstract: | Summary LaNiSn and NdNiSn compounds and their deuterides have been studied by variable temperature 119Sn M?ssbauer spectroscopy. The hyperfine parameters obtained experimentally are in good agreement with those derived from first principle calculations. The enlargement of quadrupole splitting observed for LaNiSn after deuteration confirms the lower symmetry of electron density around tin atoms indicated by the calculation of partial Sn-p density of states (DOS). Magnetic ordering is observed at low temperature in deuterided NdNiSn. |
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