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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/10054/4860

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
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