XAFS and XRD studies of local structure peculiarities in magnetic R 2Fe17-xMnx (R Ce, Lu) intermetallics. Journal of Physics: Conference Series Volume 430, Issue 1, 2013, Article number 012104
14 сентября 2018
220
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| Вид публикации | Статья |
| Контактные данные автора публикации | Menushenkov, A.P.a , Yaroslavtsev, A.A.a, Grishina, O.V.a, Zaluzhnyy, I.A.a, Chernikov, R.V.b, Kuchin, A.G.c a National Research Nuclear University MEPhI, Kashirskoe sh., 31, Moscow 115409, Russian Federation b HASYLAB at DESY, Notkestrasse, 85, |
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Аннотация
The rearrangement of cerium and lutetium local environment in Ce 2Fe17-xMnx and Lu2Fe 17-xMnx intermetallics vs. Mn concentration and temperature was investigated by means of the extended X-ray absorption fine structure (EXAFS) spectroscopy above K-Ce absorption edge and powder X-ray diffraction. The valence state of Ce in Ce2Fe17-xMn x was also studied by X-ray absorption near-edge structure (XANES) spectroscopy above L3-Ce absorption edge. The correlation between changes in local electronic and crystal structure and the types of magnetic ordering in these compounds is discussed.
Indexed keywords
Absorption edges; Extended Xray absorption fine structure (EXAFS) spectroscopies; Local environments; Local structure; Mn concentrations; Powder X ray diffraction; Valence state; XRD studies
ПодробнееIndexed keywords
Absorption edges; Extended Xray absorption fine structure (EXAFS) spectroscopies; Local environments; Local structure; Mn concentrations; Powder X ray diffraction; Valence state; XRD studies
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