Nagarajan, R. ; Shenoy, G. K. ; Gupta, L. C. ; Sampathkumaran, E. V. (1985) Anomalous behavior of the Mossbauer resonance width in mixed-valence EuNi2P2 Physical Review B, 32 (5). pp. 2846-2850. ISSN 0163-1829
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Official URL: http://prb.aps.org/abstract/PRB/v32/i5/p2846_1
Related URL: http://dx.doi.org/10.1103/PhysRevB.32.2846
Abstract
We present here the results of our detailed Mossbauer measurements on the mixed-valence system EuNi2P2. The linewidth of the resonance exhibits a broad peak at ~40 K. We argue that this feature is anomalous in that it cannot be understood in terms of the known mechanisms that can give rise to line broadening. The system exhibits strong mixed valence-the average valence being ~2.5-even at T=1.4 K. This is the first Eu-based material having truly mixed valence behavior as T→0; all others tend to approach the trivalent configuration as T→0.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Physical Society. |
| ID Code: | 11341 |
| Deposited On: | 09 Nov 2010 03:32 |
| Last Modified: | 02 Jun 2011 06:25 |
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