Patil, Sujata ; Nagarajan, R. ; Godart, C. ; Kappler, J. P. ; Gupta, L. C. ; Padalia, B. D. ; Vijayaraghavan, R. (1993) Valence fluctuation in the dilute Eu systems Eu:RPd2Si2, Eu:RCu2Si2, and Eu:RNiSi2 (R=La, Y, and Yb) Physical Review B, 47 (14). pp. 8794-8800. ISSN 0163-1829
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Official URL: http://prb.aps.org/abstract/PRB/v47/i14/p8794_1
Related URL: http://dx.doi.org/10.1103/PhysRevB.47.8794
Abstract
151Eu 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.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Physical Society. |
| ID Code: | 24206 |
| Deposited On: | 29 Nov 2010 09:26 |
| Last Modified: | 02 Jun 2011 06:17 |
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