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| Title: | VALENCE FLUCTUATION IN THE DILUTE EU SYSTEMS EU-RPD2SI2, EU-RCU2SI2, AND EU-RNISI2 (R=LA, Y, AND YB) |
| Authors: | PATIL, S
NAGARAJAN, R
GODART, C
KAPPLER, JP
GUPTA, LC
PADALIA, BD
VIJAYARAGHAVAN, R |
| Keywords: | mixed-valence |
| Issue Date: | 1993 |
| Publisher: | AMERICAN PHYSICAL SOC |
| Citation: | PHYSICAL REVIEW B, 47(14), 8794-8800 |
| Abstract: | Eu-151 Mossbauer and L3-edge measurements have been made on dilute europium alloys Eu0.05Y0.95Pd2Si2, Eu0.05Yb0.95Pd2Si2, Eu0.05La0.95Cu2Si2, Eu0.05Yb0.95CU2Si2, Eu0.05La0.95NiSi2, and Eu0.05Y0.95NiSi2. We show that Eu ions exhibit valence-fluctuation phenomena in all these hosts. The valence of Eu ions in these hosts seems to be governed by their respective nearest-neighbor distance rather than unit-cell volume. Deviations from this behavior are pointed out and discussed. |
| URI: | http://dx.doi.org/10.1103/PhysRevB.47.8794
http://dspace.library.iitb.ac.in/xmlui/handle/10054/4860
http://hdl.handle.net/10054/4860 |
| ISSN: | 0163-1829 |
| Appears in Collections: | Article
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