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Hyperfine Fields in Fe-Si Alloys
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| Zeitschriftentitel: | Journal of Applied Physics |
|---|---|
| Personen und Körperschaften: | , , , |
| In: | Journal of Applied Physics, 38, 1967, 3, S. 1137-1138 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
AIP Publishing
|
| Schlagwörter: |
| author_facet |
Budnick, J. I. Skalski, S. Burch, T. J. Wernick, J. H. Budnick, J. I. Skalski, S. Burch, T. J. Wernick, J. H. |
|---|---|
| author |
Budnick, J. I. Skalski, S. Burch, T. J. Wernick, J. H. |
| spellingShingle |
Budnick, J. I. Skalski, S. Burch, T. J. Wernick, J. H. Journal of Applied Physics Hyperfine Fields in Fe-Si Alloys General Physics and Astronomy |
| author_sort |
budnick, j. i. |
| spelling |
Budnick, J. I. Skalski, S. Burch, T. J. Wernick, J. H. 0021-8979 1089-7550 AIP Publishing General Physics and Astronomy http://dx.doi.org/10.1063/1.1709514 <jats:p>We have measured the hyperfine field at Fe and Si nuclei in Fe-Si alloys containing 18.4 to 26.5 at. % Si by the NMR spin-echo technique at 4.2°K. We observe Fe resonances from nuclei at sites with 3, 4, 5, 6, and 8 Fe nearest neighbors at frequencies which are in good agreement with the reported Mössbauer results. In Fe3Si, we observe an additional line at about 31.5 Mc/sec which we identify with the Si nuclei. In the 23.0 at. % sample, this line is diminished in intensity and another line appears at about 47 Mc/sec which grows in intensity as the Si concentration is decreased below 23.0 at. %. At 22.3 at. % Si and below, the 31.5-Mc/sec Si line is not observed. In addition, our data shows that a significant change in the Fe hyperfine field at sites with 4 and 8 nearest-neighbor Fe atoms occurs between 22 and 24 at. % Si. These observations on the hyperfine fields correlate well with the anomalous behavior of the resistivity in this concentration range and indicate a change in the electronic structure of Fe-Si alloys that occurs in the vicinity of 23 at. % Si.</jats:p> Hyperfine Fields in Fe-Si Alloys Journal of Applied Physics |
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| title |
Hyperfine Fields in Fe-Si Alloys |
| title_unstemmed |
Hyperfine Fields in Fe-Si Alloys |
| title_full |
Hyperfine Fields in Fe-Si Alloys |
| title_fullStr |
Hyperfine Fields in Fe-Si Alloys |
| title_full_unstemmed |
Hyperfine Fields in Fe-Si Alloys |
| title_short |
Hyperfine Fields in Fe-Si Alloys |
| title_sort |
hyperfine fields in fe-si alloys |
| topic |
General Physics and Astronomy |
| url |
http://dx.doi.org/10.1063/1.1709514 |
| publishDate |
1967 |
| physical |
1137-1138 |
| description |
<jats:p>We have measured the hyperfine field at Fe and Si nuclei in Fe-Si alloys containing 18.4 to 26.5 at. % Si by the NMR spin-echo technique at 4.2°K. We observe Fe resonances from nuclei at sites with 3, 4, 5, 6, and 8 Fe nearest neighbors at frequencies which are in good agreement with the reported Mössbauer results. In Fe3Si, we observe an additional line at about 31.5 Mc/sec which we identify with the Si nuclei. In the 23.0 at. % sample, this line is diminished in intensity and another line appears at about 47 Mc/sec which grows in intensity as the Si concentration is decreased below 23.0 at. %. At 22.3 at. % Si and below, the 31.5-Mc/sec Si line is not observed. In addition, our data shows that a significant change in the Fe hyperfine field at sites with 4 and 8 nearest-neighbor Fe atoms occurs between 22 and 24 at. % Si. These observations on the hyperfine fields correlate well with the anomalous behavior of the resistivity in this concentration range and indicate a change in the electronic structure of Fe-Si alloys that occurs in the vicinity of 23 at. % Si.</jats:p> |
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| author | Budnick, J. I., Skalski, S., Burch, T. J., Wernick, J. H. |
| author_facet | Budnick, J. I., Skalski, S., Burch, T. J., Wernick, J. H., Budnick, J. I., Skalski, S., Burch, T. J., Wernick, J. H. |
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| description | <jats:p>We have measured the hyperfine field at Fe and Si nuclei in Fe-Si alloys containing 18.4 to 26.5 at. % Si by the NMR spin-echo technique at 4.2°K. We observe Fe resonances from nuclei at sites with 3, 4, 5, 6, and 8 Fe nearest neighbors at frequencies which are in good agreement with the reported Mössbauer results. In Fe3Si, we observe an additional line at about 31.5 Mc/sec which we identify with the Si nuclei. In the 23.0 at. % sample, this line is diminished in intensity and another line appears at about 47 Mc/sec which grows in intensity as the Si concentration is decreased below 23.0 at. %. At 22.3 at. % Si and below, the 31.5-Mc/sec Si line is not observed. In addition, our data shows that a significant change in the Fe hyperfine field at sites with 4 and 8 nearest-neighbor Fe atoms occurs between 22 and 24 at. % Si. These observations on the hyperfine fields correlate well with the anomalous behavior of the resistivity in this concentration range and indicate a change in the electronic structure of Fe-Si alloys that occurs in the vicinity of 23 at. % Si.</jats:p> |
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| imprint | AIP Publishing, 1967 |
| imprint_str_mv | AIP Publishing, 1967 |
| institution | DE-Pl11, DE-Rs1, DE-105, DE-14, DE-Ch1, DE-L229, DE-D275, DE-Bn3, DE-Brt1, DE-D161, DE-Gla1, DE-Zi4, DE-15 |
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| series | Journal of Applied Physics |
| source_id | 49 |
| spelling | Budnick, J. I. Skalski, S. Burch, T. J. Wernick, J. H. 0021-8979 1089-7550 AIP Publishing General Physics and Astronomy http://dx.doi.org/10.1063/1.1709514 <jats:p>We have measured the hyperfine field at Fe and Si nuclei in Fe-Si alloys containing 18.4 to 26.5 at. % Si by the NMR spin-echo technique at 4.2°K. We observe Fe resonances from nuclei at sites with 3, 4, 5, 6, and 8 Fe nearest neighbors at frequencies which are in good agreement with the reported Mössbauer results. In Fe3Si, we observe an additional line at about 31.5 Mc/sec which we identify with the Si nuclei. In the 23.0 at. % sample, this line is diminished in intensity and another line appears at about 47 Mc/sec which grows in intensity as the Si concentration is decreased below 23.0 at. %. At 22.3 at. % Si and below, the 31.5-Mc/sec Si line is not observed. In addition, our data shows that a significant change in the Fe hyperfine field at sites with 4 and 8 nearest-neighbor Fe atoms occurs between 22 and 24 at. % Si. These observations on the hyperfine fields correlate well with the anomalous behavior of the resistivity in this concentration range and indicate a change in the electronic structure of Fe-Si alloys that occurs in the vicinity of 23 at. % Si.</jats:p> Hyperfine Fields in Fe-Si Alloys Journal of Applied Physics |
| spellingShingle | Budnick, J. I., Skalski, S., Burch, T. J., Wernick, J. H., Journal of Applied Physics, Hyperfine Fields in Fe-Si Alloys, General Physics and Astronomy |
| title | Hyperfine Fields in Fe-Si Alloys |
| title_full | Hyperfine Fields in Fe-Si Alloys |
| title_fullStr | Hyperfine Fields in Fe-Si Alloys |
| title_full_unstemmed | Hyperfine Fields in Fe-Si Alloys |
| title_short | Hyperfine Fields in Fe-Si Alloys |
| title_sort | hyperfine fields in fe-si alloys |
| title_unstemmed | Hyperfine Fields in Fe-Si Alloys |
| topic | General Physics and Astronomy |
| url | http://dx.doi.org/10.1063/1.1709514 |