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|Title:||VALENCE FLUCTUATION IN THE DILUTE EU SYSTEMS EU-RPD2SI2, EU-RCU2SI2, AND EU-RNISI2 (R=LA, Y, AND YB)|
|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.|
|Appears in Collections:||Article|
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