Anomalous temperature dependence of the hyperfine fields at Sn in cobalt

Jain, A.P.; Cranshaw, T. E.

doi:10.1016/0375-9601(67)90058-8

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Binary and Ternary Alloys1

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1971

2024

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Cited by 23 publications

(2 citation statements)

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“…At temperatures below the Neel temperature one does not see a single unique magnetic field as expected, but rather a broad distribution of fields which results in a diffuse spectrum [247]. The internal field at 119Sn nuclei in face-centred cubic cobalt metal falls from -22 kG at 4·2 K to -10 kG at 500 K [248]. 14.14.…”

Section: Binary and Ternary Alloysmentioning

confidence: 98%

Mössbauer Spectroscopy

1971

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Section: Binary and Ternary Alloysmentioning

confidence: 98%

Mössbauer Spectroscopy

1971

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“…This assumption is underlined by the fact that Sn is more soluble in Fe than in Co [32]. Finally, the more pronounced increase in the <B> might be caused by the fact that the Sn may introduce strong antiferromagnetic coupling between its Co neighbors in addition to an overlap of the 5s orbital in Sn with that of 3d in Co [34].…”

Section: Discussionmentioning

confidence: 99%

Effect of Cobalt on the Microstructure of Fe-B-Sn Amorphous Metallic Alloys

Grey,

Cesnek,

Bujdoš

et al. 2024

Metals

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Fe78B15Sn7 and (Fe3Co1)78B15Sn7 amorphous metallic alloys were prepared using the method of planar flow casting. The amorphous nature of ribbons containing 7 at. % Sn was verified by X-ray diffraction. The resulting chemical composition was checked by flame atomic absorption spectroscopy and by mass spectrometry with inductively coupled plasma. The microstructure of the as-quenched metallic glasses was investigated by 57-Fe and 119-Sn Mössbauer spectrometry. The experiments were performed with transmission geometry at 300 K, 100 K, and 4.2 K, and in an external magnetic field of 6 T. The replacement of a quarter of the Fe by Co did not cause significant modifications of the hyperfine interactions in the 57-Fe nuclei. The observed minor variations in the local magnetic microstructure were attributed to alterations in the topological short-range order. However, the in-field 57-Fe Mössbauer spectra indicated a misalignment of the partial magnetic moments. On the other hand, the presence of Co considerably affected the local magnetic microstructure of the 119-Sn nuclei. This was probably due to the higher magnetic moment of Co, which induces transfer fields and polarization effects on the diamagnetic Sn atoms.

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Temperature dependence of the hyperfine field at iron atoms in FeSn

Vincze

Cser

1972

Physica Status Solidi (b)

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Anomalous temperature dependence of the hyperfine fields at Sn in cobalt

Cited by 23 publications

References 7 publications

Mössbauer Spectroscopy

Mössbauer Spectroscopy

Effect of Cobalt on the Microstructure of Fe-B-Sn Amorphous Metallic Alloys

Temperature dependence of the hyperfine field at iron atoms in FeSn

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